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[ CAS No. 211737-28-9 ] {[proInfo.proName]}

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Chemical Structure| 211737-28-9
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Product Details of [ 211737-28-9 ]

CAS No. :211737-28-9 MDL No. :MFCD10000906
Formula : C10H15BrS Boiling Point : -
Linear Structure Formula :- InChI Key :LSIYDKGTGHFTFW-UHFFFAOYSA-N
M.W : 247.20 Pubchem ID :10562418
Synonyms :

Calculated chemistry of [ 211737-28-9 ]

Physicochemical Properties

Num. heavy atoms : 12
Num. arom. heavy atoms : 5
Fraction Csp3 : 0.6
Num. rotatable bonds : 5
Num. H-bond acceptors : 0.0
Num. H-bond donors : 0.0
Molar Refractivity : 61.02
TPSA : 28.24 Ų

Pharmacokinetics

GI absorption : High
BBB permeant : Yes
P-gp substrate : No
CYP1A2 inhibitor : Yes
CYP2C19 inhibitor : No
CYP2C9 inhibitor : Yes
CYP2D6 inhibitor : Yes
CYP3A4 inhibitor : No
Log Kp (skin permeation) : -3.95 cm/s

Lipophilicity

Log Po/w (iLOGP) : 3.33
Log Po/w (XLOGP3) : 5.44
Log Po/w (WLOGP) : 4.63
Log Po/w (MLOGP) : 3.92
Log Po/w (SILICOS-IT) : 5.3
Consensus Log Po/w : 4.52

Druglikeness

Lipinski : 0.0
Ghose : None
Veber : 0.0
Egan : 0.0
Muegge : 2.0
Bioavailability Score : 0.55

Water Solubility

Log S (ESOL) : -4.78
Solubility : 0.00412 mg/ml ; 0.0000167 mol/l
Class : Moderately soluble
Log S (Ali) : -5.79
Solubility : 0.000402 mg/ml ; 0.00000162 mol/l
Class : Moderately soluble
Log S (SILICOS-IT) : -4.93
Solubility : 0.00287 mg/ml ; 0.0000116 mol/l
Class : Moderately soluble

Medicinal Chemistry

PAINS : 0.0 alert
Brenk : 0.0 alert
Leadlikeness : 2.0
Synthetic accessibility : 2.68

Safety of [ 211737-28-9 ]

Signal Word:Danger Class:8,6.1
Precautionary Statements:P280-P301+P310-P305+P351+P338 UN#:2922
Hazard Statements:H301-H318-H413 Packing Group:
GHS Pictogram:

Application In Synthesis of [ 211737-28-9 ]

* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.

  • Downstream synthetic route of [ 211737-28-9 ]

[ 211737-28-9 ] Synthesis Path-Downstream   1~88

  • 1
  • [ 18794-77-9 ]
  • [ 211737-28-9 ]
YieldReaction ConditionsOperation in experiment
98% With N-Bromosuccinimide; In N,N-dimethyl-formamide; at 20℃; for 12.1667h; In a 300mL three-neck flask having a dropping funnel, <strong>[18794-77-9]<strong>[18794-77-9]2-hexylthiophen</strong>e</strong> (compound indicated by "1") (6.2g, 37mmol) was dissolved in DMF (150mL). Then, a solution obtained by dissolving NBS (6.56g, 37mmol) in DMF (15mL) was added thereto in drops at a room temperature over 10 minutes and thereafter stirred for 12 hours at a room temperature. To the reaction solution thus obtained, a saturated sodium hydrogen carbonate solution (150mL) was added and then stirred for 30 minutes. Then, hexane (80mL) was added thereto. Subsequently, a water layer was separated and then extracted with hexane (80mL×2). Then, organic layers were collected, washed with water (100mLx3), and dried with anhydrous magnesium sulfate. After the resulting solution was filtered, a solvent was removed therefrom under a reduced pressure. As a result, a compound indicated by "2" was obtained in the form of yellow liquid (8.9g, 98%). TLC Rf=0.79 (silica gel, methylene chloride: hexane = 1:1); 1H-NMR (400MHz, CDCl3, TMS) 6.84 (1H, d, J=3.6Hz, position 3), 6.53 (1H, dt, J=3.6 and 1.2Hz, position 4), 2.74 (2H, t, J=7.6Hz), 1.62 (2H, m), 1.33 (6H, m), 0.88 (3H, t, J=7.2Hz); MS (70eV, EI) m/z=248 (M+).
92% With N-Bromosuccinimide; In chloroform; N,N-dimethyl-formamide; at 0 - 20℃; for 24h; A solution of <strong>[18794-77-9]<strong>[18794-77-9]2-hexylthiophen</strong>e</strong> (6.72 g, 40 mmol) in CHCl3 (100 mL) was placed in a 250 mL three-necked flask at 0 C, and then DMF (40 mL) with NBS (7.12 g, 40 mmol) mixture was added dropwisely. The reaction mixture was warmed up to room temperature and stirred for overnight absent from light, after this the mixture was poured into water, extracted by CH2Cl2, organic phase was washed several times with sodium hydrogen carbonate aqueous solution, and dried by a rotary evaporator to give a crude product. Further purification was carried out by column chromatography on the silica gel using petroleum ether as the eluent to obtain a colorless liquid (9.1 g, yield 92 %). 1H NMR (500 MHz, CDCl3) delta 6.84 (d, J = 3.6 Hz, 1 H), 6.53 (d, J = 3.5 Hz, 1 H), 2.74 (t, J = 7.6 Hz, 2 H), 1.68-1.58 (m, 2 H), 1.42-1.22 (m, 6 H), 0.99-0.82 (m, 3H). MS (m/z) for C10H15BrS: calcd. 246.01; found, 246.01 (M+). Elemental Anal. calcd for C10H15BrS (%): C, 48.59; H, 6.12; Br, 32.32; S, 12.97. Found (%): C, 48.62; H, 6.13; S, 13.01.
90% With N-Bromosuccinimide; In chloroform; acetic acid; at 20℃; for 2h; Compound 2a (30 g, 178 mmol) was dissolved in chloroform/acetic acid (100 mL/100 mL, v/v) and added NBS (34.9 g, 198 mmol) at room temperature. The reaction mixture was stirred for 2 h and quenched with water (100 mL). The product was extracted with CH2Cl2 and washed with water, brine, and dried over MgSO4, and then evaporated under reduced pressure. The residue was purified by flash column chromatography on silica gel with hexane as eluent to give 3a as colorless liquid. Yield: 39 g (90%); IR (KBr): 3068 cm-1 (sp2 C-H), 2951-2852 cm-1 (sp3 C-H), 1521-1436 cm-1 (C=C); 1H NMR (300 MHz, CDCl3, ppm): delta 6.86-6.85 (d, 1H, J=3.6 Hz), 6.55-6.54 (d, 1H, J=3.6 Hz), 2.78-2.73 (t, 2H, J=7.2 Hz), 1.67-1.62 (m, 2H), 1.35-1.32 (m, 6H), 1.12-0.91 (t, 3H, J=1.8 Hz); 13C NMR (75 MHz, CDCl3, ppm): delta 147.66, 129.37, 124.33, 108.55, 31.53, 31.43, 30.34, 28.66, 22.57, 14.08 Hz; EIMS m/z (%): 246 (100, M+).
Reference: [1]Organic Letters,2011,vol. 13,p. 5208 - 5211
[2]Organic Letters,2014,vol. 16,p. 2330 - 2333
[3]Patent: EP2138545,2009,A1 .Location in patent: Page/Page column 17-18; 33
[4]Journal of Materials Chemistry C,2013,vol. 1,p. 3467 - 3481
[5]Chemistry - An Asian Journal,2012,vol. 7,p. 225 - 232
[6]Dyes and Pigments,2015,vol. 113,p. 458 - 464
[7]Journal of the American Chemical Society,2006,vol. 128,p. 2336 - 2345
[8]Bulletin of the Korean Chemical Society,2012,vol. 33,p. 3810 - 3816
[9]Tetrahedron,2013,vol. 69,p. 8191 - 8198
[10]Macromolecules,2014,vol. 47,p. 1008 - 1020
[11]Journal of Organic Chemistry,1998,vol. 63,p. 5497 - 5506
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[13]Organic Letters,2002,vol. 4,p. 2067 - 2070
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[17]Organic Letters,2018,vol. 20,p. 7270 - 7273
[18]Tetrahedron,2010,vol. 66,p. 8778 - 8784
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[20]Molecular Crystals and Liquid Crystals,2004,vol. 410,p. 1/[529]-12/[540]
[21]Molecular Crystals and Liquid Crystals Science and Technology, Section A: Molecular Crystals and Liquid Crystals,2001,vol. 364,p. 881 - 888
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[27]CrystEngComm,2018,vol. 20,p. 1669 - 1678
[28]Dyes and Pigments,2018,vol. 157,p. 179 - 189
  • 3
  • [ 211737-28-9 ]
  • [ 211737-29-0 ]
YieldReaction ConditionsOperation in experiment
37% With 3-chloro-benzenecarboperoxoic acid In dichloromethane Ambient temperature;
  • 4
  • [ 3140-93-0 ]
  • [ 211737-28-9 ]
  • [ 442911-11-7 ]
YieldReaction ConditionsOperation in experiment
90% Stage #1: 2-bromo-5-hexylthiophene With magnesium In diethyl ether Stage #2: 2,3-dibromothiophen With [1,3-bis(diphenylphosphino)propane]nickel(II) dichloride In diethyl ether at 20℃; for 20h; Further stages.;
87% With magnesium In diethyl ether at 0℃; for 20h;
With 1,3-bis[(diphenylphosphino)propane]dichloronickel(II); iodine; magnesium In diethyl ether for 24h; Inert atmosphere; Reflux;
Stage #1: 2-bromo-5-hexylthiophene With magnesium In diethyl ether at 0℃; Stage #2: 2,3-dibromothiophen

  • 6
  • [ 55164-48-2 ]
  • [ 211737-28-9 ]
  • 2-[5'-hexyl-5-(2,2'-dithienyl)]benzo[b]thiophene [ No CAS ]
YieldReaction ConditionsOperation in experiment
26% Stage #1: 2-(thiophene-2-yl)benzo[b]thiophene With n-butyllithium In tetrahydrofuran; hexane at 0℃; for 0.5h; Stage #2: With tributyltin chloride In tetrahydrofuran; hexane at 20℃; for 2h; Stage #3: 2-bromo-5-hexylthiophene In toluene for 16h; Heating;
  • 7
  • [ 29150-63-8 ]
  • [ 211737-28-9 ]
  • 2,5,8-tris(5-hexyl-2-thienyl)benzo[1,2-b:3,4-b':5,6-b'']trithiophene [ No CAS ]
  • 8
  • [ 98437-23-1 ]
  • [ 211737-28-9 ]
  • 2-(5-hexyl-2-thienyl)benzo[b]thiophene [ No CAS ]
YieldReaction ConditionsOperation in experiment
30% With barium dihydroxide In 1,2-dimethoxyethane for 20h; Heating;
  • 9
  • [ 1003-09-4 ]
  • [ 211737-28-9 ]
  • [ 173448-31-2 ]
YieldReaction ConditionsOperation in experiment
79% Stage #1: 2-bromothiophene With magnesium In diethyl ether for 4h; Inert atmosphere; Reflux; Stage #2: 2-bromo-5-hexylthiophene With 1,3-bis[(diphenylphosphino)propane]dichloronickel(II) In diethyl ether for 48h; Inert atmosphere; Reflux;
With magnesium In diethyl ether Heating;
With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; magnesium In diethyl ether at 20℃;
  • 10
  • [ 211737-28-9 ]
  • [ 849138-20-1 ]
  • 2-[6-(5-hexyl-thiophen-2-yl)-anthracen-2-yl]-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane [ No CAS ]
  • bis-(5'-hexylthiophen-2'-yl)-2,6-anthracene [ No CAS ]
YieldReaction ConditionsOperation in experiment
53% With tetrakis(triphenylphosphine) palladium(0); Aliquat 336; sodium carbonate In toluene at 90℃; for 72h;
  • 11
  • [ 162717-58-0 ]
  • [ 211737-28-9 ]
  • [ 151271-42-0 ]
  • 12
  • [ 5713-61-1 ]
  • [ 211737-28-9 ]
  • [ 173448-31-2 ]
YieldReaction ConditionsOperation in experiment
75% With 1,3-bis[(diphenylphosphino)propane]dichloronickel(II) In diethyl ether Heating;
  • 13
  • [ 126213-50-1 ]
  • [ 211737-28-9 ]
  • [ 862681-08-1 ]
YieldReaction ConditionsOperation in experiment
550 mg Stage #1: 3,4-(ethylenedioxy)thiophene With n-butyllithium In tetrahydrofuran; hexane Stage #2: With tributyltin chloride In tetrahydrofuran; hexane Stage #3: 2-bromo-5-hexylthiophene In toluene Heating;
  • 14
  • [ 195602-17-6 ]
  • [ 211737-28-9 ]
  • 3',4',3'',4''-bis(ethylenedioxy)-5,5'''-dihexyl-2,2':5',2'':5'',2'''-quaterthiophene [ No CAS ]
  • 15
  • [ 211737-28-9 ]
  • [ 199168-63-3 ]
  • [ 862681-13-8 ]
YieldReaction ConditionsOperation in experiment
2.8 g Stage #1: 2-(2-thienyl)-(3,4-ethylenedioxythiophene) With n-butyllithium In tetrahydrofuran; hexane for 1h; Stage #2: With tributyltin chloride In tetrahydrofuran; hexane for 0.5h; Stage #3: 2-bromo-5-hexylthiophene In toluene for 12h; Heating;
  • 16
  • [ 211737-28-9 ]
  • [ 1066-54-2 ]
  • [ 880491-25-8 ]
YieldReaction ConditionsOperation in experiment
80% With copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); N-ethyl-N,N-diisopropylamine at 85℃; for 18h;
58% With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; diisopropylamine at 90℃; for 12h; Inert atmosphere; 2.5 4.2.5 [(5-Hexylthiophen-2-yl)ethynyl]trimethylsilane (4a) To a deaerated solution of 3a (34.6 g, 140 mmol) in i-Pr2NH (300 mL) were added Pd(pph3)2Cl2 (2.25 g, 0.28 mmol) and CuI (1.6 g, 8.4 mmol) at room temperature. And then ethynyltrimethylsilane (19.4 mL, 140 mmol) was added dropwise to the reaction mixture and stirred at 90 °C for 12 h, and then allowed to reach at room temperature. The reaction mixture was filtered and solvent was removed by evaporation under reduced pressure and the residue performed flash column chromatography on silica gel with hexane as eluent to give 4a as light brown liquid. Yield: 21.0 g (58%); IR (KBr): 2958-2927 cm-1 (sp2 C-H), 2853 cm-1 (sp3 C-H), 2098 cm-1 (C≡C), 1504-1465 cm-1 (C=C); 1H NMR (300 MHz, CDCl3, ppm): δ 7.01-6.99 (d, 1H, J=3.3 Hz), 6.64-6.62 (d, 1H, J=3.6 Hz), 2.77-2.72 (t, 2H, J=7.2 Hz), 1.67-1.62 (m, 2H), 1.34-1.31 (m, 6H), 1.13-0.92 (t, 3H, J=1.8 Hz); 13C NMR (75 MHz, CDCl3, ppm): δ 147.94, 131.94, 123.95, 119.93, 96.77, 75.98, 65.71, 31.95, 31.57, 31.36, 29.67, 29.39, 22.72, 14.15 Hz; EIMS m/z (%): 264 (100, M+).
39% With copper(l) iodide; bis(benzonitrile)palladium(II) dichloride; tri-tert-butyl phosphine; triethylamine In tetrahydrofuran at 20℃; Inert atmosphere;
With copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); diisopropylamine

  • 17
  • [ 211737-28-9 ]
  • [ 147437-99-8 ]
  • [ 925899-22-5 ]
YieldReaction ConditionsOperation in experiment
60% Stage #1: 2-bromo-5-hexylthiophene With iodine; magnesium In tetrahydrofuran Heating; Stage #2: 3-(thiophen-2-yl)isobenzofuran-1(3H)-one In tetrahydrofuran at 20℃; Stage #3: With Lawessons reagent In dichloromethane at 20℃;
58% Stage #1: 2-bromo-5-hexylthiophene With iodine; magnesium In tetrahydrofuran for 2h; Inert atmosphere; Reflux; Stage #2: 3-(thiophen-2-yl)isobenzofuran-1(3H)-one In tetrahydrofuran at 20℃; for 6h; Stage #3: With Lawessons reagent In dichloromethane at 20℃; for 6h;
  • 18
  • [ 211737-28-9 ]
  • [ 205643-78-3 ]
  • 1-(5-hexylthiophen-2-yl)-3-[5-(thiophen-2-yl)thiophen-2-yl]benzo[c]thiophene [ No CAS ]
YieldReaction ConditionsOperation in experiment
55% Stage #1: 2-bromo-5-hexylthiophene With iodine; magnesium In tetrahydrofuran Heating; Stage #2: 3-(2,2’-bithiophen-5-yl)isobenzofuran-1(3H)-one In tetrahydrofuran at 20℃; Stage #3: With Lawessons reagent In dichloromethane at 20℃;
55% Stage #1: 2-bromo-5-hexylthiophene With iodine; magnesium In tetrahydrofuran for 2h; Inert atmosphere; Reflux; Stage #2: 3-(2,2’-bithiophen-5-yl)isobenzofuran-1(3H)-one In tetrahydrofuran at 20℃; for 6h; Stage #3: With Lawessons reagent In dichloromethane at 20℃; for 6h;
  • 19
  • [ 211737-28-9 ]
  • [ 4281-21-4 ]
  • 3,3'-bis(5-hexylthiophen-2-yl)-1,1'-bibenzo[c]thiophene [ No CAS ]
YieldReaction ConditionsOperation in experiment
65% Stage #1: 2-bromo-5-hexylthiophene With iodine; magnesium In tetrahydrofuran Heating; Stage #2: 3-(3-phthalidyl)phthalide In tetrahydrofuran at 20℃; Stage #3: With Lawessons reagent In dichloromethane at 20℃;
51% Stage #1: 2-bromo-5-hexylthiophene With iodine; magnesium In tetrahydrofuran for 2h; Inert atmosphere; Reflux; Stage #2: 3-(3-phthalidyl)phthalide In tetrahydrofuran at 20℃; Stage #3: With Lawessons reagent In dichloromethane at 20℃; for 6h;
  • 20
  • [ 61676-62-8 ]
  • [ 211737-28-9 ]
  • [ 917985-54-7 ]
YieldReaction ConditionsOperation in experiment
100% Stage #1: 2-bromo-5-hexylthiophene With n-butyllithium In tetrahydrofuran at -70℃; for 0.75h; Stage #2: 2-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane In tetrahydrofuran at 25℃; for 18h;
100% Stage #1: 2-bromo-5-hexylthiophene With n-butyllithium In tetrahydrofuran at -70℃; for 0.75h; Stage #2: 2-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane In tetrahydrofuran at 25℃; for 18h; 2 A degassed THF solution ( 25 mL) containing 2-bromo-5-hexylthiophene (4280 mg, 7.32 mmol) was cooled to -70° C at which point n-butyllithium (8.31 mL, 20.8 mmol) was added dropwise while maintaining the temperature at -70 °C. After the reaction was stirred at this temperature for 45 min, 2-isopropoxy-4,4,5,5-tetramethyl- 1 ,3,2-dioxaborolane (5.30 mL, 26.0 mmol) was added. The reaction was brought to 25 °C and then stirred for 18 h. The addition of methanol (15 mL) turned the reaction opaque white before returning to a clear, colourless solution. The reaction was filtered and solvent removed in vacuo. The crude product was purified using a Si02 plug (hexanes/Ch^C ; 3:1 ; v.v) to produce a yellow oil in quantitative yield. H NMR(CDCI3): δ 7.49 (d, 1 H, 3J = 3.4 Hz, Hb), 6.87 (d, 1 H, 3 = 3.4 Hz, Ha), 2.87 (t, 2H, Hc), 1.70 (quintet, 2H, Hd), 1.34 (m, 18H, He,f,g,i), 0.90 (m, 3 H, Hh). 3C NMR (CDCI3): δ 153.8, 137.5, 125.9, 83.9, 82.9, 31.8, 31.7, 30.3, 28.9, 24.8, 22.7, 14.2.
81.7% Stage #1: 2-bromo-5-hexylthiophene With tert.-butyl lithium In tetrahydrofuran; pentane at -78℃; for 2h; Stage #2: 2-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane In tetrahydrofuran at -78 - 20℃; Further stages.;
With n-butyllithium In tetrahydrofuran at -78℃;

  • 21
  • [ 211737-28-9 ]
  • [ 710338-92-4 ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 2 steps 1: Pd(PPh3)4; CuI; DIPA 2: KOH
Multi-step reaction with 2 steps 1: 80 percent / Pd(PPh3)4; diisopropylethylamine; CuI / 18 h / 85 °C 2: TBAF supported on silica / tetrahydrofuran / 0.08 h
Multi-step reaction with 2 steps 1: diisopropylamine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide / 12 h / 90 °C / Inert atmosphere 2: tetrabutyl ammonium fluoride / tetrahydrofuran; hexane / 12 h / 20 °C
  • 22
  • [ 211737-28-9 ]
  • 2,6-bis(5-hexylthiophen-2-yl)-9,10-bis[(triisopropylsilanyl)ethynyl]anthracene [ No CAS ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 2 steps 1.1: tert-butyllithium / tetrahydrofuran; pentane / 2 h / -78 °C 1.2: 81.7 percent / tetrahydrofuran / -78 - 20 °C 2.1: 67.2 percent / sodium carbonate; Aliquat(R) 336 / tetrakis(triphenylphosphine)palladium(0) / toluene / 72 h / 90 °C
  • 23
  • [ 111-25-1 ]
  • [ 211737-28-9 ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 2 steps 1: n-BuLi / -78 °C 2: 62 percent / NBS / dimethylformamide / 40 h
Multi-step reaction with 2 steps 1.1: n-BuLi / tetrahydrofuran; hexane / 1 h / 0 °C 1.2: 75 percent / tetrahydrofuran; hexane / -40 - 20 °C 2.1: 90 percent / NBS / tetrahydrofuran / 0 - 20 °C
  • 24
  • [ 211737-28-9 ]
  • 5,5''-bis(5-hexyl-2-thienylethynyl)-[2,2':5',2'']-terthiophene [ No CAS ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 3 steps 1: 80 percent / Pd(PPh3)4; diisopropylethylamine; CuI / 18 h / 85 °C 2: TBAF supported on silica / tetrahydrofuran / 0.08 h 3: 3.8 g / Pd(PPh3)4; diisopropylethylamine; CuI / 85 °C / Heating
  • 25
  • [ 211737-28-9 ]
  • 4-(5-hexyl-thiophen-2-yl)-phenol [ No CAS ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 3 steps 1: Na2CO3 / Pd(PPh3)4 / 1,2-dimethoxy-ethane; H2O 2: boron tribromide / CH2Cl2 3: H3O(1+)
Multi-step reaction with 2 steps 1: BBr3
Multi-step reaction with 2 steps 1: tetrakis(triphenylphosphine) palladium(0); sodium hydrogencarbonate / 1,2-dimethoxyethane; water / 6 h / Reflux 2: boron tribromide / dichloromethane / 24 h / -78 - 20 °C
  • 26
  • [ 211737-28-9 ]
  • (2E,4E)-Hexa-2,4-dienoic acid 4-(5-hexyl-thiophen-2-yl)-phenyl ester [ No CAS ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 4 steps 1: Na2CO3 / Pd(PPh3)4 / 1,2-dimethoxy-ethane; H2O 2: boron tribromide / CH2Cl2 3: H3O(1+) 4: DCC; DMAP / CH2Cl2
Multi-step reaction with 3 steps 1: BBr3 2: DCC; DMAP
  • 27
  • [ 211737-28-9 ]
  • (E)-Hex-2-enoic acid 4-(5-hexyl-thiophen-2-yl)-phenyl ester [ No CAS ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 4 steps 1: Na2CO3 / Pd(PPh3)4 / 1,2-dimethoxy-ethane; H2O 2: boron tribromide / CH2Cl2 3: H3O(1+) 4: DCC; DMAP / CH2Cl2
Multi-step reaction with 3 steps 1: BBr3 2: DCC; DMAP
  • 28
  • [ 211737-28-9 ]
  • [ 442911-53-7 ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 2 steps 1.1: 87 percent / Mg / NidpppCl2 / diethyl ether / 20 h / 0 °C 2.1: BuLi / tetrahydrofuran; hexane / 0.75 h / -78 °C 2.2: tributyltin chloride / tetrahydrofuran; hexane / 3 h / -78 - 20 °C 2.3: 1.31 g / Pd(PPh3)4 / dimethylformamide / 24 h / 100 °C
Multi-step reaction with 3 steps 1.1: magnesium / diethyl ether / 0 °C 1.2: NiddpCl2 2.1: n-butyllithium / tetrahydrofuran; hexane / 5 h / -78 °C / Inert atmosphere 3.1: tetrakis(triphenylphosphine) palladium(0) / N,N-dimethyl-formamide / 24 h / 100 °C / Inert atmosphere
  • 30
  • [ 211737-28-9 ]
  • [ 655249-04-0 ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 2 steps 1: 75 percent / Ni(dppp)Cl2 / diethyl ether / Heating 2: 80 percent / NBS / tetrahydrofuran
Multi-step reaction with 2 steps 1: Mg / Ni(dppp)Cl2 / diethyl ether / Heating 2: NBS / tetrahydrofuran / 20 °C
  • 31
  • [ 211737-28-9 ]
  • [ 524937-20-0 ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 2 steps 1: Pd(AsPh3)4 / toluene 2: 75 percent / NBS; acetic acid / CH2Cl2 / 0.25 h
Multi-step reaction with 2 steps 1.1: n-butyllithium / tetrahydrofuran; hexane / 2.17 h / -90 - -20 °C / Inert atmosphere 1.2: -70 - 20 °C / Inert atmosphere 1.3: Reflux; Inert atmosphere 2.1: N-Bromosuccinimide / N,N-dimethyl-formamide / 20 °C / Darkness
  • 32
  • [ 111-25-1 ]
  • [ 211737-28-9 ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 2 steps 1.1: n-butyl lithium / tetrahydrofuran / 0.75 h / -78 °C 1.2: 96 percent / tetrahydrofuran / 3 h / 20 °C 2.1: 80 percent / NBS / dimethylformamide / 10 h / 20 °C
Multi-step reaction with 2 steps 1.1: n-butyllithium / tetrahydrofuran; hexane / 1.5 h / -60 - 0 °C / Inert atmosphere 1.2: -60 - 20 °C / Inert atmosphere 2.1: N-Bromosuccinimide / N,N-dimethyl-formamide / 20 °C / Darkness
Multi-step reaction with 2 steps 1: n-butyllithium / tetrahydrofuran / 24 h / -60 - 20 °C 2: N-Bromosuccinimide / tetrahydrofuran / 1 h / 0 - 5 °C
Multi-step reaction with 2 steps 1.1: n-butyllithium / 0.5 h / -78 °C 1.2: 48 h / Reflux 2.1: N-Bromosuccinimide / chloroform; acetic acid / 20 °C
Multi-step reaction with 2 steps 1.1: n-butyllithium / tetrahydrofuran; hexane / 1 h / -78 °C / Inert atmosphere 1.2: 12 h / -78 - 20 °C / Inert atmosphere 2.1: N-Bromosuccinimide; acetic acid / chloroform / 2 h / 20 °C
Multi-step reaction with 2 steps 1.1: n-butyllithium / tetrahydrofuran; hexane / 1 h / -78 °C / Inert atmosphere 1.2: 12 h / -78 - 20 °C / Inert atmosphere 2.1: N-Bromosuccinimide / N,N-dimethyl-formamide / 0.5 h / 0 °C / Inert atmosphere
Multi-step reaction with 2 steps 1: n-butyllithium / tetrahydrofuran / -78 °C / Inert atmosphere 2: N-Bromosuccinimide / chloroform / 20 °C
Multi-step reaction with 2 steps 1.1: n-butyllithium / tetrahydrofuran; hexane / 1 h / -78 °C / Inert atmosphere 1.2: 12 h / -78 - 20 °C / Inert atmosphere 2.1: N-Bromosuccinimide / chloroform; acetic acid / 2 h / 20 °C
Multi-step reaction with 2 steps 1.1: n-butyllithium / hexane; tetrahydrofuran / 1 h / 0 °C 1.2: 0 - 20 °C 2.1: N-Bromosuccinimide; acetic acid / 2 h
Multi-step reaction with 2 steps 1: n-butyllithium / tetrahydrofuran / -78 °C 2: N-Bromosuccinimide / N,N-dimethyl-formamide
Multi-step reaction with 2 steps 1.1: n-butyllithium / tetrahydrofuran; hexane / 1 h / -78 °C / Inert atmosphere 1.2: 16 h / -78 - 20 °C / Inert atmosphere 2.1: N-Bromosuccinimide; acetic acid / chloroform / 2 h / 0 - 20 °C

Reference: [1]Xia, Chuanjun; Fan, Xiaowu; Locklin, Jason; Advincula, Rigoberto C. [Organic Letters, 2002, vol. 4, # 12, p. 2067 - 2070]
[2]Matsumoto, Kouzou; Kugo, Sota; Takajo, Daisuke; Inaba, Akira; Hirao, Yasukazu; Kurata, Hiroyuki; Kawase, Takeshi; Kubo, Takashi [Chemistry - An Asian Journal, 2012, vol. 7, # 1, p. 225 - 232]
[3]Jing, Shan; Zhang, Ruilin; Dai, Heng; Du, Chao; Cheng, Xiaohong [Chinese Journal of Chemistry, 2012, vol. 30, # 3, p. 577 - 584]
[4]Kirkus, Mindaugas; Wang, Linjun; Mothy, Sebastien; Beljonne, David; Cornil, Jerome; Janssen, Rene A. J.; Meskers, Stefan C. J. [Journal of Physical Chemistry A, 2012, vol. 116, # 30, p. 7927 - 7936]
[5]Hwang, Min Ji; Park, Ji Hee; Jeong, Eun Bin; Kang, Il; Lee, Dong Hoon; Park, Chan Eon; Singh; Choi, Ho June; Kim, Yoon-Hi; Yoon, Yong Jin; Kwon, Soon-Ki; Lee, Sang-Gyeong [Bulletin of the Korean Chemical Society, 2012, vol. 33, # 11, p. 3810 - 3816]
[6]Lee, Che-Hsiung; Plunkett, Kyle N. [Organic Letters, 2013, vol. 15, # 6, p. 1202 - 1205]
[7]Gao, Lei; Zhang, Jing; He, Chang; Shen, Suling; Zhang, Yi; Liu, Hongtao; Sun, Qingjiang; Li, Yongfang [Science China Chemistry, 2013, vol. 56, # 7, p. 997 - 1003]
[8]Shaik, Baji; Park, Ji Hee; An, Tae Kyu; Noh, Young Ri; Yoon, Soon Byung; Park, Chan Eon; Yoon, Young Jin; Kim, Yun-Hi; Lee, Sang-Gyeong [Tetrahedron, 2013, vol. 69, # 38, p. 8191 - 8198]
[9]Kuo, Cheng-Yu; Nie, Wanyi; Tsai, Hsinhan; Yen, Hung-Ju; Mohite, Adytia D.; Gupta, Gautam; Dattelbaum, Andrew M.; William, Darrick J.; Cha, Kitty C.; Yang, Yang; Wang, Leeyih; Wang, Hsing-Lin [Macromolecules, 2014, vol. 47, # 3, p. 1008 - 1020]
[10]Lin, Chien-Min; Li, Ming-Shiou; Dwivedi, Atul Kumar; Lin, Hong-Cheu [Dyes and Pigments, 2018, vol. 157, p. 179 - 189]
[11]Yang, Xuan; Rominger, Frank; Mastalerz, Michael [Organic Letters, 2018, vol. 20, # 22, p. 7270 - 7273]
  • 33
  • [ 211737-28-9 ]
  • ((C4H4SC6H11)2C4HS)2 [ No CAS ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 2 steps 1.1: Mg / diethyl ether 1.2: 90 percent / NidpppCl2 / diethyl ether / 20 h / 20 °C 2.1: BuLi / tetrahydrofuran / 0.75 h / -78 °C 2.2: 54 percent / CuCl2 / tetrahydrofuran / -78 - 20 °C
  • 34
  • [ 211737-28-9 ]
  • 5,5''-Dihexyl-[2,2';5',2'']terthiophene 1,1,1'',1''-tetraoxide [ No CAS ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 2 steps 1: 37 percent / m-CPBA / CH2Cl2 / Ambient temperature 2: 44 percent / Pd(AsPh3)4 / toluene / 5 h / Heating
  • 35
  • [ 211737-28-9 ]
  • 5,5'''-Dihexyl-[2,2';5',2'';5'',2''']quaterthiophene 1,1-dioxide [ No CAS ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 2 steps 1: 1.) TMEDA, BuLi, 2.) Bu3SnCl / 3.) Pd(PPh3)4 / 1.) THF, hexane, room temperature, 3 h, 2.) -70 deg C to room temperature, 3.) toluene, reflux, overnight 2: 1.) BuLi, TMEDA, Bu3SnCl / 2.) Pd(AsPh3)4 / 1.) THF, hexane, room temperature, overnight, 2.) toluene, reflux, overnight
Multi-step reaction with 2 steps 1: 37 percent / m-CPBA / CH2Cl2 / Ambient temperature 2: 1.) BuLi, TMEDA, Bu3SnCl / 2.) Pd(AsPh3)4 / 1.) THF, hexane, room temperature, overnight, 2.) toluene, reflux, overnight
  • 36
  • [ 211737-28-9 ]
  • 5,5''''-Dihexyl-[2,2';5',2'';5'',2''';5''',2'''']quinquethiophene 1,1,1'',1'',1'''',1''''-hexaoxide [ No CAS ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 2 steps 1: 37 percent / m-CPBA / CH2Cl2 / Ambient temperature 2: 1.) Pd(PPh3)4, 2.) Pd(AsPh3)4 / 1.) toluene, reflux, 1 h, 2.) toluene, reflux, 4 h
  • 37
  • [ 211737-28-9 ]
  • [ 849138-20-1 ]
  • bis-(5'-hexylthiophen-2'-yl)-2,6-anthracene [ No CAS ]
YieldReaction ConditionsOperation in experiment
53% With sodium carbonate In water; toluene at 90℃; for 72h; 6 To a solution of 2,6- anthracene-bis-4',4',5',5'-tetramethyl-1 ',3',2'-dioxaborolane (prepared as in Example 5, 6.8220 g, 15.86 mmol) and 2-bromo-5-hexylthophene (8.6251 g, 34.89 mmol) dissolved in toluene (240 ml) was added sodium carbonate (8.48 g, 80 mmol) dissolved in water (40 ml) followed by th e addition of phase-transfer agent Aliquat 336 (3.2 g, 8.0 mmol). The mixture was bubbled with nitrogen for 15 min. Then, tetrakis(triphenylphosphine)palladium(0) (368 mg, 2 % mol) was added. The mixture was heated to 90 0C for three days under a nitrogen atmosphere. The reaction mixture was cooled to room temperature and poured into methanol (600 ml). The yellow precipitate was filtered off, washed with water, dilute acid (5 % HCI), water, methanol, then with acetone (3x) to remove the starting material and mono-substituted by¬ product. The crude product was purified by sublimation (2Z0 °C/60 mmTorr) in a 3-zone furnace, followed by recrystallization from xylenes to give 4.2802 g (53%) of bright yellow product. 1H NMR (p-d ichlorobenzene- d4, 500 MHz): δ 8.15 ppm (s, 2 H), 8.01 ppm (s, 2 H), 7.82-7.80 ppm (d, 2 H, J = 8.5 Hz), 7.61-7.59 ppm (d, 2 H, J = 8.5 Hz ), 7.19 ppm (d, 2 H, J = 3.45 Hz), 7.02 ppm (d, 2 H, J = 3.45 Hz), 6.71 ppm (s, 2 H ), 2.80-2.77 ppm (t, 2 H, J = 8.6 Hz), 1.70 ppm (m, 2 H), 1.32 ppm (m, 6 H), 0.89 ppm (t, 3 H, J = 7.5 Hz);; 13C-NMR (CDCI3, 500 MHz): δ 146.6, 142.7, 132.8, 132.4, 132.2, 130.2, 129.3, 126.8, 125.9, 125.1 , 124.0, 32.36, 32.28, 31.11 , 29.64, 23.33, 14.63 ppm. El, MS m/z (%): 510 (100, M+); HRMS found: 510.241463. Compounds 9 - 15 were synthesized in a similar manner as that described for the synthesis of DHTAnt.
  • 38
  • [ 211737-28-9 ]
  • [ 147437-99-8 ]
  • C22H22OS2 [ No CAS ]
YieldReaction ConditionsOperation in experiment
Stage #1: 2-bromo-5-hexylthiophene With magnesium Stage #2: 3-(thiophen-2-yl)isobenzofuran-1(3H)-one In tetrahydrofuran at 0 - 20℃; Stage #3: With hydrogenchloride In tetrahydrofuran Further stages.;
  • 39
  • [ 211737-28-9 ]
  • [ 147437-99-8 ]
  • C22H24O2S2 [ No CAS ]
YieldReaction ConditionsOperation in experiment
Stage #1: 2-bromo-5-hexylthiophene With magnesium Stage #2: 3-(thiophen-2-yl)isobenzofuran-1(3H)-one In tetrahydrofuran at 0 - 20℃; Stage #3: With ammonium chloride In tetrahydrofuran Further stages.;
  • 40
  • [ 211737-28-9 ]
  • [ 205643-78-3 ]
  • C26H24OS3 [ No CAS ]
YieldReaction ConditionsOperation in experiment
Stage #1: 2-bromo-5-hexylthiophene With magnesium Stage #2: 3-(2,2’-bithiophen-5-yl)isobenzofuran-1(3H)-one In tetrahydrofuran at 0 - 20℃; Stage #3: With hydrogenchloride In tetrahydrofuran Further stages.;
  • 41
  • [ 211737-28-9 ]
  • [ 205643-78-3 ]
  • C26H26O2S3 [ No CAS ]
YieldReaction ConditionsOperation in experiment
Stage #1: 2-bromo-5-hexylthiophene With magnesium Stage #2: 3-(2,2’-bithiophen-5-yl)isobenzofuran-1(3H)-one In tetrahydrofuran at 0 - 20℃; Stage #3: With ammonium chloride In tetrahydrofuran Further stages.;
  • 42
  • [ 211737-28-9 ]
  • [ 4281-21-4 ]
  • C36H42O4S2 [ No CAS ]
YieldReaction ConditionsOperation in experiment
Stage #1: 2-bromo-5-hexylthiophene With magnesium Stage #2: 3-(3-phthalidyl)phthalide In tetrahydrofuran at 0 - 20℃; Stage #3: With ammonium chloride In tetrahydrofuran Further stages.;
  • 43
  • [ 1115589-08-6 ]
  • [ 211737-28-9 ]
  • C36H41NO2S [ No CAS ]
YieldReaction ConditionsOperation in experiment
Stage #1: 2-bromo-5-hexylthiophene With magnesium Stage #2: 3-(9-hexyl-9H-carbazol-3-yl)isobenzofuran-1(3H)-one In tetrahydrofuran at 0 - 20℃; Inert atmosphere; Stage #3: With ammonium chloride In tetrahydrofuran; water
  • 44
  • [ 1115589-09-7 ]
  • [ 211737-28-9 ]
  • C38H45NO2S [ No CAS ]
YieldReaction ConditionsOperation in experiment
Stage #1: 2-bromo-5-hexylthiophene With magnesium Stage #2: 3-(9-(2-ethylhexyl)-9H-carbazol-3-yl)isobenzofuran-1(3H)-one In tetrahydrofuran at 0 - 20℃; Inert atmosphere; Stage #3: With ammonium chloride In tetrahydrofuran; water
  • 45
  • [ 1115589-10-0 ]
  • [ 211737-28-9 ]
  • C36H33NO2S [ No CAS ]
YieldReaction ConditionsOperation in experiment
Stage #1: 2-bromo-5-hexylthiophene With magnesium Stage #2: 3-(9-phenyl-9H-carbazol-3-yl)isobenzofuran-1(3H)-one In tetrahydrofuran at 0 - 20℃; Inert atmosphere; Stage #3: With ammonium chloride In tetrahydrofuran; water
  • 46
  • [ 1115589-11-1 ]
  • [ 211737-28-9 ]
  • C37H35NO3S [ No CAS ]
YieldReaction ConditionsOperation in experiment
Stage #1: 2-bromo-5-hexylthiophene With magnesium Stage #2: 3-(9-(4-methoxyphenyl)-9H-carbazol-3-yl)isobenzofuran-1(3H)-one In tetrahydrofuran at 0 - 20℃; Inert atmosphere; Stage #3: With ammonium chloride In tetrahydrofuran; water
  • 47
  • 3-(dibenzofuran-3-yl)isobenzofuran-1(3H)-one [ No CAS ]
  • [ 211737-28-9 ]
  • C30H28O3S [ No CAS ]
YieldReaction ConditionsOperation in experiment
Stage #1: 2-bromo-5-hexylthiophene With magnesium Stage #2: 3-(dibenzofuran-3-yl)isobenzofuran-1(3H)-one In tetrahydrofuran at 0 - 20℃; Inert atmosphere; Stage #3: With ammonium chloride In tetrahydrofuran; water
  • 48
  • 3-(dibenzothiophen-3-yl)isobenzofuran-1(3H)-one [ No CAS ]
  • [ 211737-28-9 ]
  • C30H28O2S2 [ No CAS ]
YieldReaction ConditionsOperation in experiment
Stage #1: 2-bromo-5-hexylthiophene With magnesium Stage #2: 3-(dibenzothiophen-3-yl)isobenzofuran-1(3H)-one In tetrahydrofuran at 0 - 20℃; Inert atmosphere; Stage #3: With ammonium chloride In tetrahydrofuran; water
  • 49
  • [ 1115589-32-6 ]
  • [ 211737-28-9 ]
  • C36H35NO2S [ No CAS ]
YieldReaction ConditionsOperation in experiment
Stage #1: 2-bromo-5-hexylthiophene With magnesium Stage #2: 3-(4-(diphenylamino)phenyl)isobenzofuran-1(3H)-one In tetrahydrofuran at 0 - 20℃; Inert atmosphere; Stage #3: With ammonium chloride In tetrahydrofuran; water
  • 50
  • [ 119-67-5 ]
  • [ 211737-28-9 ]
  • [ 1064109-56-3 ]
YieldReaction ConditionsOperation in experiment
63% Stage #1: 2-bromo-5-hexylthiophene With iodine; magnesium In tetrahydrofuran; diethyl ether for 2h; Inert atmosphere; Reflux; Stage #2: o-carboxybenzaldehyde In tetrahydrofuran; diethyl ether at 20℃; for 6h;
  • 51
  • [ 1000868-65-4 ]
  • [ 211737-28-9 ]
  • (C6H13)C4H2S(COC6H4CHOH)C8H4SC6H13 [ No CAS ]
YieldReaction ConditionsOperation in experiment
Stage #1: 2-bromo-5-hexylthiophene With magnesium Stage #2: 3-(2-hexylbenzo[b]thiophen-3-yl)isobenzofuran-1(3H)-one In tetrahydrofuran at 0 - 20℃; Inert atmosphere; Stage #3: With water; ammonium chloride In tetrahydrofuran
  • 52
  • [ 1000868-66-5 ]
  • [ 211737-28-9 ]
  • (C6H13)C4H2S(COC6H4CHOH)C8H5NC6H13 [ No CAS ]
YieldReaction ConditionsOperation in experiment
Stage #1: 2-bromo-5-hexylthiophene With magnesium Stage #2: 3-(1-hexyl-1H-indol-3-yl)isobenzofuran-1(3H)-one In tetrahydrofuran at 0 - 20℃; Inert atmosphere; Stage #3: With water; ammonium chloride In tetrahydrofuran
  • 53
  • [ 83656-77-3 ]
  • [ 211737-28-9 ]
  • (C6H13)C4H2S(COC6H4CHOH)C8H5S [ No CAS ]
YieldReaction ConditionsOperation in experiment
Stage #1: 2-bromo-5-hexylthiophene With magnesium Stage #2: 3-(benzo<b>thiophen-3-yl)-1H,3H-benzo<c>furan-1-one In tetrahydrofuran at 0 - 20℃; Inert atmosphere; Stage #3: With water; ammonium chloride In tetrahydrofuran
  • 54
  • [ 211737-28-9 ]
  • [ 155954-63-5 ]
YieldReaction ConditionsOperation in experiment
98% With lithium diisopropyl amide In tetrahydrofuran at -60℃; for 2h; Inert atmosphere; 1.3 Under a nitrogen atmosphere, 2-bromo-5-hexylthiophene (compound indicated by "2") (0.40g, 1.62mmol) was dissolved in THF (20mL) in a 50mL round bottom flask. After the resulting solution was cooled down to -60°C, 0.49M LDA-THF solution (6.56mL, 3.24mmol) was added thereto and then stirred for 2 hours while the temperature was maintained. Methanol (30mL) was added thereto and then stirred for 1 hour while the temperature was kept at -60°C. The resulting solution was slowly heated to a room temperature. Then, water (50mL) and hexane (50mL) was added so that a water layer was separated. The water layer was extracted with hexane (50mL×2). Then, organic layers were collected, washed with water (100mL×3), and dried with anhydrous magnesium sulfate. After the resulting solution was filtered, a solvent was removed therefrom under a reduced pressure. As a result, a compound indicated by "3" was obtained in the form of yellow liquid (391mg, 98%). TLC Rf=0.79 (silica gel, methylene chloride : hexane = 1:1); 1H-NMR (400MHz, CDCl3, TMS) TM7.00 (1H, d, J=1.6Hz, position 2), 6.70 (1H, dt, J=1.6 and 1.2Hz, position 4), 2.77 (2H, t, J=7.6Hz), 1.65 (2H, m), 1.34 (6H, m), 0.88 (3H, t, J=7.2Hz); MS (70eV, EI) m/z=248 (M+).
98% With lithium diisopropyl amide In tetrahydrofuran at -60℃; for 2h; Inert atmosphere;
96% With lithium diisopropyl amide In tetrahydrofuran at -60℃; for 2h; Inert atmosphere; 1.A (Synthesis of 4-bromo-2-hexylthiophene) ((the A) step) in a nitrogen atmosphere 100mL three neck flask was charged with 2-bromo-5-hexylthiophene 800 mg (3.24 mmol) and 40 ml of THF.After cooling to -60 ° C., was added lithium diisopropylamide (THF solution of 1.5M) 4.32ml (6.48mmol), and stirred at the same temperature for 2 hours.Addition of methanol 60ml was stirred for 1 hour at the same temperature, the reaction was stopped.The solution was allowed to stand until room temperature, water was added and extracted with hexane.The organic phase was washed with water, dried over anhydrous magnesium sulfate.The solution was filtered and concentrated in vacuo to give a yellow liquid 768mg of 4-bromo-2-hexyl thiophene(96%yield)
94% With lithium diisopropyl amide In tetrahydrofuran at -60℃; for 2h; Inert atmosphere; 1.A Synthesis of 4-bromo-2-n-hexylthiophene under a nitrogen atmosphere, it was added to 200mL three-necked flask of 2-bromo -5-n-hexylthiophene 1000 mg (4.1 mmol) and tetrahydrofuran (50ml).Thereafter, the mixture was cooled to -60 ° C., lithium diisopropylamide (LDA) 16.4ml (0.49MTHF solution was added dropwise 8.1 mmol, was stirred for 2 hours at the same temperature. To the resulting mixture of methanol ( was added 75 ml), the reaction was quenched by stirring for 1 hour at -60 ° C.. Thereafter, the reaction mixture was brought to room temperature and extracted with hexane with the addition of water, drying the organic phase over anhydrous sodium sulfate . the organic layer was concentrated under reduced pressure to give a pale yellow liquid 941mg of 4-bromo -2-n-hexylthiophene
89% Stage #1: 2-bromo-5-hexylthiophene With lithium diisopropyl amide In tetrahydrofuran at -78℃; for 0.5h; Inert atmosphere; Stage #2: With water In tetrahydrofuran at -78 - 20℃; Inert atmosphere;
86% With lithium diisopropyl amide In tetrahydrofuran at 0 - 20℃; for 18h; Schlenk technique; Inert atmosphere;
81% With lithium diisopropyl amide In tetrahydrofuran at 0 - 20℃; for 16h; Inert atmosphere;
99 %Spectr. With lithium diisopropyl amide In tetrahydrofuran at -78℃; for 1h; Schlenk technique; Inert atmosphere;

  • 55
  • [ 211737-28-9 ]
  • [ 479719-88-5 ]
  • [ 151271-42-0 ]
YieldReaction ConditionsOperation in experiment
80% With potassium carbonate;tetrakis(triphenylphosphine) palladium(0); In tetrahydrofuran; for 24h;Reflux; Inert atmosphere; 2-Bromo-5-hexylthiophene (1.22 g, 5 mmol) was dissolved in 25 mL dry THF. A solution of 2M K2CO3 (5 mL) and 2 mol% (0.115 g) tetrakis(triphenylphosphine) palladium(O) were added into the reaction mixture and then bithiophene borate (1.46 g, 5 mmol) was added. The reaction mixture was refluxed for 24 h in N2 before being poured into water and 2N-HC1. The aqueous layer was extracted with MC and the organic extracts were dried over magnesium sulfate. The solvent was removed by rotary evaporation and the residue was purified by a column (silica gel, in n-hexane) to yield 80% of the product as a yellow solid. 1H-NMR (300 MHz, CDCl3) δ 7.19-7.22 (dd, IH), 7.12-7.16 (dd, IH), 7.06-7.08 (d, IH), 7.02-7.04 (d, IH), 6.97-7.00 (m, 2H),6.67-6.69 (d, IH). 2.78-2.82 (t, 2H), 1.64-1.74 (q, 2H), 1.24-1.44 (m, 6H), 0.84-0.94 (t, 3H).
  • 56
  • [ 1223428-71-4 ]
  • [ 211737-28-9 ]
  • C26H26O2S2 [ No CAS ]
YieldReaction ConditionsOperation in experiment
Stage #1: 2-bromo-5-hexylthiophene With magnesium Stage #2: 3-(thiophen-2-yl)naphtho[2,3-c]furan-1(3H)-one In tetrahydrofuran at 0 - 20℃; Inert atmosphere; Stage #3: With ammonium chloride In tetrahydrofuran; water
  • 57
  • [ 1045718-86-2 ]
  • [ 211737-28-9 ]
  • [ 1045718-96-4 ]
YieldReaction ConditionsOperation in experiment
45% Stage #1: 3-(9,9-diethyl-9H-fluoren-2-yl)isobenzofuran-1(3H)-one; 2-bromo-5-hexylthiophene With magnesium In tetrahydrofuran at 0 - 20℃; Inert atmosphere; Stage #2: With Lawessons reagent In dichloromethane at 20℃; for 4h;
  • 58
  • [ 1045718-88-4 ]
  • [ 211737-28-9 ]
  • [ 1045719-14-9 ]
YieldReaction ConditionsOperation in experiment
50% Stage #1: 3-(9,9-dihexyl-9H-fluoren-2-yl)isobenzofuran-1(3H)-one; 2-bromo-5-hexylthiophene With magnesium In tetrahydrofuran at 0 - 20℃; Inert atmosphere; Stage #2: With Lawessons reagent In dichloromethane at 20℃; for 4h;
  • 59
  • [ 1045718-88-4 ]
  • [ 211737-28-9 ]
  • [ 1045719-30-9 ]
YieldReaction ConditionsOperation in experiment
55% Stage #1: 3-(9,9-dihexyl-9H-fluoren-2-yl)isobenzofuran-1(3H)-one; 2-bromo-5-hexylthiophene With magnesium In tetrahydrofuran at 0 - 20℃; Inert atmosphere; Stage #2: With woollins’ reagent In dichloromethane at 20℃; for 4h;
  • 60
  • [ 1240504-19-1 ]
  • [ 211737-28-9 ]
  • [ 1240504-22-6 ]
YieldReaction ConditionsOperation in experiment
47% Stage #1: 3-(9,9-dip-tolyl-9H-fluoren-2-yl)isobenzofuran-1(3H)-one; 2-bromo-5-hexylthiophene With magnesium In tetrahydrofuran at 0 - 20℃; Inert atmosphere; Stage #2: With Lawessons reagent In dichloromethane at 20℃; for 4h;
  • 61
  • [ 1240504-24-8 ]
  • [ 211737-28-9 ]
  • [ 1240504-28-2 ]
YieldReaction ConditionsOperation in experiment
45% Stage #1: 3-(5-(9,9-dihexyl-9H-fluoren-2-yl)thiophen-2-yl)isobenzofuran-1(3H)-one; 2-bromo-5-hexylthiophene With magnesium In tetrahydrofuran at 0 - 20℃; Inert atmosphere; Stage #2: With Lawessons reagent In dichloromethane at 20℃; for 4h;
  • 62
  • [ 1240504-25-9 ]
  • [ 211737-28-9 ]
  • [ 1240504-32-8 ]
YieldReaction ConditionsOperation in experiment
50% Stage #1: 3-((5-(9,9-dihexyl-2-thiophen-2-yl)-9H-fluoren-7-yl)thiophen-2-yl)isobenzofuran-1(3H)-one; 2-bromo-5-hexylthiophene With magnesium In tetrahydrofuran at 0 - 20℃; Inert atmosphere; Stage #2: With Lawessons reagent In dichloromethane at 20℃; for 4h;
  • 63
  • [ 1179987-58-6 ]
  • [ 211737-28-9 ]
  • [ 1179987-63-3 ]
YieldReaction ConditionsOperation in experiment
75% With dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane; potassium phosphate; palladium diacetate In tetrahydrofuran; water at 40℃; for 48h; Inert atmosphere; Darkness;
  • 64
  • [ 1179987-62-2 ]
  • [ 211737-28-9 ]
  • [ 1179987-67-7 ]
YieldReaction ConditionsOperation in experiment
60% With dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane; potassium phosphate; palladium diacetate In tetrahydrofuran; water at 40℃; for 48h; Inert atmosphere; Darkness;
  • 65
  • 4,4,5,5-tetramethyl-2-[7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyren-2-yl]-1,3,2-dioxaborolane [ No CAS ]
  • [ 211737-28-9 ]
  • [ 1309368-98-6 ]
YieldReaction ConditionsOperation in experiment
26% With tetrakis(triphenylphosphine) palladium(0); Aliquat 336; sodium carbonate In water; toluene at 90℃; for 36h; Inert atmosphere; 4.2. General synthetic procedure for derivatives 3-6 General procedure: To a solution of PB2pin2 (1.817 g, 4 mmol) and the corresponding bromo-substituted (hetero)aryls (9.6 mmol) dissolved in toluene (60 mL) was added a 2 M solution of sodium carbonate (2.12 g, 20 mmol) dissolved in water (10 mL). The mixture was bubbled with nitrogen for 30 min. Then, phase-transfer agent Aliquat 336 (0.91 mL) and tetrakis(triphenylphosphine)palladium(0) (0.46 g, 0.40 mmol) were added. The mixture was heated to 90 °C for 36 h under a nitrogen atmosphere. The resulting mixture was cooled to room temperature and poured into methanol (500 mL). The resulting precipitate was filtered off, washed with water, dilute acid (5% HCl), water, methanol, then with acetone to remove the starting material as well as the mono-substituted by-product. The crude product was purified by chromatography using petroleum/dichloromethane (2:1) as the eluent on a short column to give yellow powders followed by recrystallization from CH2Cl2/toluene to provide the desired product as crystals.
  • 66
  • [ 7310-97-6 ]
  • [ 211737-28-9 ]
  • [ 1334159-21-5 ]
  • 67
  • [ 211737-28-9 ]
  • [ 1334159-23-7 ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 2 steps 1.1: lithium diisopropyl amide / tetrahydrofuran; n-heptane; ethylbenzene / 2 h / -78 °C / Inert atmosphere 1.2: 16 h / -78 - 20 °C 2.1: sodium cyanoborohydride; zinc(II) iodide / 1,2-dichloro-ethane / 16 h / 20 °C
  • 68
  • [ 211737-28-9 ]
  • [ 1334159-25-9 ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 3 steps 1.1: lithium diisopropyl amide / tetrahydrofuran; n-heptane; ethylbenzene / 2 h / -78 °C / Inert atmosphere 1.2: 16 h / -78 - 20 °C 2.1: sodium cyanoborohydride; zinc(II) iodide / 1,2-dichloro-ethane / 16 h / 20 °C 3.1: n-butyllithium / tetrahydrofuran; hexane / 0.33 h / -78 °C / Inert atmosphere 3.2: 2 h / -78 - 20 °C
  • 69
  • [ 211737-28-9 ]
  • [ 1047684-56-9 ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 2 steps 1.1: n-butyllithium / tetrahydrofuran / 0.75 h / -70 °C 1.2: 18 h / 25 °C 2.1: tetrakis(triphenylphosphine) palladium(0); potassium carbonate / tetrahydrofuran; water / 40 h / Reflux
Multi-step reaction with 2 steps 1.1: n-butyllithium / tetrahydrofuran / 0.75 h / -70 °C 1.2: 18 h / 25 °C 2.1: potassium carbonate; water / tetrakis(triphenylphosphine) palladium(0) / tetrahydrofuran / 40 h / Reflux
  • 70
  • [ 1356174-21-4 ]
  • [ 211737-28-9 ]
  • [ 1356174-22-5 ]
YieldReaction ConditionsOperation in experiment
34% With tetrakis(triphenylphosphine) palladium(0) In toluene Inert atmosphere; Reflux;
  • 71
  • [ 1372798-05-4 ]
  • [ 211737-28-9 ]
  • 1,2,4,5-tetra(5'-hexyl-thieno-2'-yl)benzene [ No CAS ]
YieldReaction ConditionsOperation in experiment
31.1% Stage #1: 2-bromo-5-hexylthiophene With iodine; magnesium In tetrahydrofuran for 4h; Stage #2: 1,2,4,5-tetra(S-(pyridine-2'-yl))benzenetetrathioate In tetrahydrofuran at 0℃;
  • 72
  • [ 1115589-32-6 ]
  • [ 211737-28-9 ]
  • C36H33NOS [ No CAS ]
YieldReaction ConditionsOperation in experiment
Stage #1: 3-(4-(diphenylamino)phenyl)isobenzofuran-1(3H)-one; 2-bromo-5-hexylthiophene With magnesium In tetrahydrofuran at 0 - 20℃; Inert atmosphere; Stage #2: With hydrogenchloride In tetrahydrofuran; ethanol; water at 0 - 20℃;
  • 73
  • [ 1115589-12-2 ]
  • [ 211737-28-9 ]
  • 2-(3-(5-hexylthiophen-2-yl)isobenzofuran-1-yl)dibenzo[b,d]furan [ No CAS ]
YieldReaction ConditionsOperation in experiment
65% Stage #1: 3-(dibenzo[b,d]furan-2-yl)isobenzofuran-1(3H)-one; 2-bromo-5-hexylthiophene With magnesium In tetrahydrofuran at 0 - 20℃; Inert atmosphere; Stage #2: With hydrogenchloride In tetrahydrofuran; ethanol; water at 0 - 20℃;
  • 74
  • [ 33513-42-7 ]
  • [ 211737-28-9 ]
  • [ 100943-46-2 ]
YieldReaction ConditionsOperation in experiment
63% Stage #1: 2-bromo-5-hexylthiophene With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 1h; Inert atmosphere; Stage #2: N,N-dimethyl-formamide In tetrahydrofuran; hexane at -78 - 20℃; for 12h; Inert atmosphere;
  • 75
  • [ 73183-34-3 ]
  • [ 211737-28-9 ]
  • [ 917985-54-7 ]
YieldReaction ConditionsOperation in experiment
37% With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium acetate In N,N-dimethyl-formamide at 80℃; Inert atmosphere;
  • 76
  • [ 1426310-78-2 ]
  • [ 211737-28-9 ]
  • [ 1426310-80-6 ]
YieldReaction ConditionsOperation in experiment
40 mg Stage #1: (4,9-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)cyclopenta[hi]aceanthrylene-2,7-diyl)bis(trimethylsilane); 2-bromo-5-hexylthiophene With potassium carbonate In tetrahydrofuran; water for 0.166667h; Inert atmosphere; Stage #2: With tetrakis(triphenylphosphine) palladium(0) In tetrahydrofuran; water at 60℃; for 2h; Inert atmosphere;
  • 77
  • [ 211737-28-9 ]
  • [ 1426310-77-1 ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 2 steps 1.1: potassium acetate; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride / N,N-dimethyl-formamide / 80 °C / Inert atmosphere 2.1: potassium carbonate / water; toluene / 0.17 h / Inert atmosphere 2.2: 20 h / 55 °C
  • 78
  • [ 211737-28-9 ]
  • [ 1436393-69-9 ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 3 steps 1.1: lithium diisopropyl amide / tetrahydrofuran / 1 h / -78 °C / Inert atmosphere 1.2: -50 - 20 °C / Inert atmosphere 2.1: n-butyllithium / tetrahydrofuran; hexane / 1 h / -78 °C / Inert atmosphere 2.2: 2 h / -78 °C / Inert atmosphere 3.1: ethanol / 48 h / Reflux
Multi-step reaction with 5 steps 1.1: lithium diisopropyl amide / tetrahydrofuran / 1 h / -78 °C / Inert atmosphere 1.2: -50 - 20 °C / Inert atmosphere 2.1: n-butyllithium / tetrahydrofuran; hexane / 1 h / -78 °C / Inert atmosphere 2.2: 2 h / -78 °C / Inert atmosphere 3.1: pyridine; hydroxylamine hydrochloride / ethanol / 3 h / 70 °C 4.1: tin(ll) chloride; hydrogenchloride / ethanol; water / 0 - 20 °C 5.1: ethanol / 48 h / Reflux
  • 79
  • [ 211737-28-9 ]
  • [ 1345692-37-6 ]
YieldReaction ConditionsOperation in experiment
84% Stage #1: 2-bromo-5-hexylthiophene With lithium diisopropyl amide In tetrahydrofuran at -78℃; for 1h; Inert atmosphere; Stage #2: With copper dichloride In tetrahydrofuran at -50 - 20℃; Inert atmosphere;
Stage #1: 2-bromo-5-hexylthiophene With lithium diisopropyl amide Inert atmosphere; Stage #2: With copper dichloride Inert atmosphere;
  • 80
  • [ 211737-28-9 ]
  • [ 1436393-77-9 ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 2 steps 1.1: lithium diisopropyl amide / tetrahydrofuran / 1 h / -78 °C / Inert atmosphere 1.2: -50 - 20 °C / Inert atmosphere 2.1: n-butyllithium / tetrahydrofuran; hexane / 1 h / -78 °C / Inert atmosphere 2.2: 2 h / -78 °C / Inert atmosphere
Multi-step reaction with 2 steps 1.1: lithium diisopropyl amide / Inert atmosphere 1.2: Inert atmosphere 2.1: n-butyllithium / Inert atmosphere 2.2: Inert atmosphere
  • 81
  • [ 30319-05-2 ]
  • [ 211737-28-9 ]
  • [ 1443986-62-6 ]
YieldReaction ConditionsOperation in experiment
44% With palladium diacetate; potassium carbonate; Trimethylacetic acid In N,N-dimethyl acetamide at 100℃; for 48h; Inert atmosphere; 4-Bromo-5'-hexyl-5-methyl-2,2'-bithiophene(6) A 15 cm3 reaction tube was charged with 2-methyl-3-bromothiophene(0.196 g, 1.1 mmol), 2-bromo-5-hexylthiophene (0.606 g, 2.5 mmol), pivalic acid(0.030 g, 0.29 mmol), potassium carbonate (0.340 g, 2.5 mmol) in dimethylacetamide (1.7 cm3). The solution was purged with nitrogen for 20 min and palladium acetate (0.008 g, 0.04 mmol) was added. The solution was stirred at 100 °C for 48 h. The reaction mixture was cooled to room temperature and purified directly by column chromatography over silica using a 14.0 cm outerdiameter column packed 24.0 cm high using petroleum ether as the eluent giving the target as a white crystalline solid (0.168 g, 44%),
  • 82
  • [ 162339-29-9 ]
  • [ 211737-28-9 ]
  • 1,2-phenylene bis((5-hexylthiophene-2-yl)methanone) [ No CAS ]
YieldReaction ConditionsOperation in experiment
Stage #1: 2-bromo-5-hexylthiophene With magnesium In tetrahydrofuran at 35℃; for 3h; Inert atmosphere; Stage #2: benzene-1,2-dicarbothioic acid di(S-pyridin-2-yl) ester In tetrahydrofuran at 0 - 20℃; Inert atmosphere;
  • 83
  • [ 69249-61-2 ]
  • [ 211737-28-9 ]
  • [ 1254831-11-2 ]
YieldReaction ConditionsOperation in experiment
62% Stage #1: 3-hexyl-2-bromothiophene With magnesium In diethyl ether for 2h; Inert atmosphere; Reflux; Stage #2: 2-bromo-5-hexylthiophene With 1,3-bis[(diphenylphosphino)propane]dichloronickel(II) In diethyl ether at 0℃; for 12h; Inert atmosphere;
  • 84
  • [ 3140-93-0 ]
  • [ 211737-28-9 ]
  • [ 1544538-24-0 ]
YieldReaction ConditionsOperation in experiment
65.7% With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; magnesium In diethyl ether at -5 - 0℃; for 3h;
  • 85
  • C26H16N2O2S2 [ No CAS ]
  • [ 211737-28-9 ]
  • C36H38O2S2 [ No CAS ]
YieldReaction ConditionsOperation in experiment
60% Stage #1: 2-bromo-5-hexylthiophene With iodine; magnesium In tetrahydrofuran for 4h; Stage #2: C26H16N2O2S2 In tetrahydrofuran at 0℃;
  • 86
  • [ 211737-28-9 ]
  • (5-formylthiophen-2-yl)boronic acid [ No CAS ]
  • [ 609369-40-6 ]
YieldReaction ConditionsOperation in experiment
55% Stage #1: 2-bromo-5-hexylthiophene; (5-formylthiophen-2-yl)boronic acid With potassium carbonate In ethanol; toluene for 0.333333h; Inert atmosphere; Stage #2: With tetrakis(triphenylphosphine) palladium(0) In ethanol; toluene for 0.416667h; Inert atmosphere; Stage #3: In ethanol; toluene at 90℃; for 24h; Inert atmosphere; 2.4.2. 50-hexyl-2,2'-bithiophene-5-carbaldehyde (2) Using a 250 mL three-necked flask, 2-bromo-5-hexylthiophene (1) (2.47 g, 10 mmol) and 5-formylthiophen-2-yl boronic acid (1.716 g,11 mmol) were dissolved in toluene (120 mL), then ethanol (40 mL) and potassium carbonate (2.76 g, 20 mmol) was added, the solution was flushed with N2 for 20 min, and Pd(PPh3)4 (0.45 g) was added into the solution. The mixture was flushed with N2 for another 25 min. The reaction mixture was heated to 90 °C gradually, and stirred for 14 h at this temperature under N2 atmosphere. After cooled to room temperature, the mixture was poured into water, extracted with ethyl acetate. The organic phase was washed with water, saturated sodium chloride solution and dried with anhydrous magnesium sulfate. After filtration, the organic phase was concentrated under reduced pressure at 40 °C. Crude product was further purified by column chromatography on silica gel using petroleum ether/dichloromethane (1:1, v/v) as the eluent to obtain a pale yellow solid (1.53 g, yield 55%). 1H NMR (500 MHz, CDCl3)δ 9.61 (d, J = 7.7 Hz, 1H), 7.54-7.48 (m, 1H), 7.24 (d, J = 3.9 Hz, 1H), 6.72 (d, J = 3.6 Hz, 1H), 6.43 (dd, J = 15.5, 7.7 Hz, 1H), 2.81 (t, J = 7.6 Hz, 2H), 1.75-1.63 (m, 2H), 1.44-1.23 (m, 6H), 0.94-0.83 (m, 3H). MS (m/z) for C15H18OS2: calcd. 278.08; found, 278.08 (M). Elemental Anal. calcd for C15H18OS2 (%): C, 64.71; H, 6.52; O, 5.75; S,23.03. Found (%): C, 64.75; H, 6.47; S, 23.06.
  • 87
  • [ 146796-02-3 ]
  • [ 211737-28-9 ]
  • (5,7-bis(5-hexylthiophen-2-yl)-2,3-dihydrothieno[3,4-b][1,4]dioxin-2-yl)methanol [ No CAS ]
YieldReaction ConditionsOperation in experiment
46% With tetrabutylammomium bromide; potassium acetate; palladium diacetate In N,N-dimethyl-formamide at 90℃; for 2h; Schlenk technique; Inert atmosphere;
  • 88
  • [ 1003863-35-1 ]
  • [ 211737-28-9 ]
  • 2-(azidomethyl)-5,7-bis(5-hexylthiophen-2-yl)-2,3-dihydrothieno[3,4-b][1,4]dioxine [ No CAS ]
YieldReaction ConditionsOperation in experiment
31% With tetrabutylammomium bromide; potassium acetate; palladium diacetate In N,N-dimethyl-formamide at 90℃; for 2h; Schlenk technique; Inert atmosphere;
Same Skeleton Products
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