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CAS No. : | 1215857-68-3 | MDL No. : | MFCD31567256 |
Formula : | C20H36S | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | OEKNWJQSAYEBFD-UHFFFAOYSA-N |
M.W : | 308.56 | Pubchem ID : | 67507457 |
Synonyms : |
|
Num. heavy atoms : | 21 |
Num. arom. heavy atoms : | 5 |
Fraction Csp3 : | 0.8 |
Num. rotatable bonds : | 14 |
Num. H-bond acceptors : | 0.0 |
Num. H-bond donors : | 0.0 |
Molar Refractivity : | 101.39 |
TPSA : | 28.24 Ų |
GI absorption : | Low |
BBB permeant : | No |
P-gp substrate : | Yes |
CYP1A2 inhibitor : | Yes |
CYP2C19 inhibitor : | Yes |
CYP2C9 inhibitor : | Yes |
CYP2D6 inhibitor : | No |
CYP3A4 inhibitor : | No |
Log Kp (skin permeation) : | -1.27 cm/s |
Log Po/w (iLOGP) : | 5.21 |
Log Po/w (XLOGP3) : | 9.73 |
Log Po/w (WLOGP) : | 7.63 |
Log Po/w (MLOGP) : | 5.77 |
Log Po/w (SILICOS-IT) : | 8.47 |
Consensus Log Po/w : | 7.36 |
Lipinski : | 1.0 |
Ghose : | None |
Veber : | 1.0 |
Egan : | 1.0 |
Muegge : | 2.0 |
Bioavailability Score : | 0.55 |
Log S (ESOL) : | -7.14 |
Solubility : | 0.0000226 mg/ml ; 0.0000000732 mol/l |
Class : | Poorly soluble |
Log S (Ali) : | -10.24 |
Solubility : | 0.0000000177 mg/ml ; 0.0000000001 mol/l |
Class : | Insoluble |
Log S (SILICOS-IT) : | -7.74 |
Solubility : | 0.00000567 mg/ml ; 0.0000000184 mol/l |
Class : | Poorly soluble |
PAINS : | 0.0 alert |
Brenk : | 0.0 alert |
Leadlikeness : | 2.0 |
Synthetic accessibility : | 3.76 |
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H302-H315-H319-H335 | Packing Group: | N/A |
GHS Pictogram: |
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* 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.
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
93% | With N-Bromosuccinimide; acetic acid In chloroform at -20 - 20℃; for 4.5h; Schlenk technique; Inert atmosphere; | |
90% | With N-Bromosuccinimide; acetic acid In chloroform at 20℃; for 0.5h; Inert atmosphere; Cooling with ice; | 1 EXAMPLE 1 Synthesis of 2-bromo-5-(2-hexyldecyl)thiophene (2). A solution of 2-(2-hexyldecyl)thiophene (1.01 g, 3.27 mmol) in CHCl3 (8 mL) and AcOH (8 mL) was chilled in an ice/salt bath under N2 and NBS (0.580 g, 3.27 mmol) was added in four equal portions over 0.5 h. The mixture was allowed to reach ambient temperature and stirred overnight. The solvents were evaporated under reduced pressure and the residue was filtered through a plug of silica gel using hexanes as eluent to yield 1.13 g (90%) colorless liquid. 1H NMR (400 MHz, CDCl3) δ 6.83 (d, 1H), 6.49 (d, 1H), 2.66 (d, 2H), 1.55 (m, 1H), 1.25 (m, 24H), 0.87 (m, 6H). |
88% | With N-Bromosuccinimide In N,N-dimethyl-formamide at 0 - 20℃; for 69.5h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
75% | To a solution of thiophene (5 g, 60 mmol) in THF (50 mL) was added n-BuLi (25 mL, 2.5 M in hexane) at -78 C. The solution was stirred for 30 min at -78 C and 1 h at 0 C. The 2-hexyldecyl bromide (20 g, 66 mmol) was then added at 0 C and the mixture was stirring for overnight before pouring into water and extracting with hexane. The hexane phase was dried over Na2SO4. After removing the solvent, the crude product was purified by distillation to give a colorless liquid (13.7 g, 75 %). 1H NMR (300 MHz, CDCl3, delta): 7.15 (dd, 1H), 6.96 (t, 1H), 6.77 (m, 1H), 2.80 (d, J = 6.66 Hz, 2H), 1.65 (br, 1H), 1.29 (br, 24H), 0.93-0.89 (m, 6H). 13C NMR (125 MHz, CDCl3, delta): 144.57, 126.75, 125.18, 123.12, 40.25, 34.45, 33.39, 32.12, 30.20, 29.85, 29.56, 26.79, 22.91, 14.35. GC-MS (m/z): calcd for C20H36S, 308.56; found, 308. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1.1: N-Bromosuccinimide; acetic acid / chloroform / 4.5 h / -20 - 20 °C / Schlenk technique; Inert atmosphere 2.1: n-butyllithium / tetrahydrofuran / 2.5 h / -78 °C / Schlenk technique; Inert atmosphere 2.2: 2 h / 50 °C 2.3: 2 h / 0 °C |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 3 steps 1.1: N-Bromosuccinimide; acetic acid / chloroform / 4.5 h / -20 - 20 °C / Schlenk technique; Inert atmosphere 2.1: magnesium; ethylene dibromide / diethyl ether / 4 h / Schlenk technique; Inert atmosphere; Reflux 2.2: 18 h / 20 °C / Reflux 3.1: n-butyllithium / tetrahydrofuran / 2.5 h / -78 °C / Schlenk technique; Inert atmosphere 3.2: 2 h / 50 °C 3.3: 2 h / 0 °C |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 3 steps 1.1: N-Bromosuccinimide; acetic acid / chloroform / 4.5 h / -20 - 20 °C / Schlenk technique; Inert atmosphere 2.1: n-butyllithium / tetrahydrofuran / 2.5 h / -78 °C / Schlenk technique; Inert atmosphere 2.2: 2 h / 50 °C 2.3: 2 h / 0 °C 3.1: n-butyllithium / tetrahydrofuran / 1.67 h / 0 - 20 °C / Schlenk technique; Inert atmosphere 3.2: 14.5 h / 0 - 20 °C |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 4 steps 1.1: N-Bromosuccinimide; acetic acid / chloroform / 4.5 h / -20 - 20 °C / Schlenk technique; Inert atmosphere 2.1: magnesium; ethylene dibromide / diethyl ether / 4 h / Schlenk technique; Inert atmosphere; Reflux 2.2: 18 h / 20 °C / Reflux 3.1: n-butyllithium / tetrahydrofuran / 2.5 h / -78 °C / Schlenk technique; Inert atmosphere 3.2: 2 h / 50 °C 3.3: 2 h / 0 °C 4.1: n-butyllithium / tetrahydrofuran / 1.67 h / 0 - 20 °C / Schlenk technique; Inert atmosphere 4.2: 14.5 h / 0 - 20 °C |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1.1: N-Bromosuccinimide; acetic acid / chloroform / 4.5 h / -20 - 20 °C / Schlenk technique; Inert atmosphere 2.1: magnesium; ethylene dibromide / diethyl ether / 4 h / Schlenk technique; Inert atmosphere; Reflux 2.2: 18 h / 20 °C / Reflux |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1: tetrakis(triphenylphosphine) palladium(0) / tetrahydrofuran / Inert atmosphere; Reflux 2: tetrakis(triphenylphosphine) palladium(0) / toluene / 7 h / Inert atmosphere; Reflux | ||
Multi-step reaction with 3 steps 1: n-butyllithium / tetrahydrofuran 2: tetrakis(triphenylphosphine) palladium(0) / toluene / 12 h / 120 °C / Inert atmosphere 3: tetrakis(triphenylphosphine) palladium(0) / toluene / 12 h / 120 °C / Inert atmosphere |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 3 steps 1: tetrakis(triphenylphosphine) palladium(0) / tetrahydrofuran / Inert atmosphere; Reflux 2: tetrakis(triphenylphosphine) palladium(0) / toluene / 7 h / Inert atmosphere; Reflux 3: N-Bromosuccinimide; acetic acid / chloroform / 20 °C |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 4 steps 1: tetrakis(triphenylphosphine) palladium(0) / tetrahydrofuran / Inert atmosphere; Reflux 2: tetrakis(triphenylphosphine) palladium(0) / toluene / 7 h / Inert atmosphere; Reflux 3: N-Bromosuccinimide; acetic acid / chloroform / 20 °C 4: tetrakis(triphenylphosphine) palladium(0) / toluene / 7 h / Inert atmosphere; Reflux |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 5 steps 1: tetrakis(triphenylphosphine) palladium(0) / tetrahydrofuran / Inert atmosphere; Reflux 2: tetrakis(triphenylphosphine) palladium(0) / toluene / 7 h / Inert atmosphere; Reflux 3: N-Bromosuccinimide; acetic acid / chloroform / 20 °C 4: tetrakis(triphenylphosphine) palladium(0) / toluene / 7 h / Inert atmosphere; Reflux 5: N-Bromosuccinimide; acetic acid / chloroform; acetic acid / 20 °C |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Stage #1: 2-(2'-hexyldecyl)thiophene With n-butyllithium In tetrahydrofuran; hexane at 20℃; for 0.5h; Inert atmosphere; Stage #2: tributyltin chloride In tetrahydrofuran; hexane at 20℃; for 1h; Inert atmosphere; | ||
With n-butyllithium In tetrahydrofuran | ||
Stage #1: 2-(2'-hexyldecyl)thiophene With n-butyllithium In tetrahydrofuran at -78 - 0℃; for 2h; Inert atmosphere; Stage #2: tributyltin chloride In tetrahydrofuran at 0 - 20℃; Inert atmosphere; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
37% | With tetrakis(triphenylphosphine) palladium(0) In tetrahydrofuran Inert atmosphere; Reflux; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Stage #1: 2-(2'-hexyldecyl)thiophene With n-butyllithium In tetrahydrofuran; hexane at -78 - 0℃; for 1h; Inert atmosphere; Stage #2: 2-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane In tetrahydrofuran; hexane at 20℃; for 12h; Inert atmosphere; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 4 steps 1.1: n-butyllithium / tetrahydrofuran; hexane / 1 h / -78 - 0 °C / Inert atmosphere 1.2: 12 h / 20 °C / Inert atmosphere 2.1: sodium carbonate; tetrakis(triphenylphosphine) palladium(0); Aliquat 336 / tetrahydrofuran; water; toluene / 20 h / 100 °C / Inert atmosphere 3.1: N-Bromosuccinimide / chloroform; N,N-dimethyl-formamide / 18 h / 0 °C / Inert atmosphere 4.1: lithium diisopropyl amide / tetrahydrofuran / 1 h / -78 °C / Inert atmosphere 4.2: 0.83 h / 20 °C / Inert atmosphere |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1.1: n-butyllithium / tetrahydrofuran; hexane / 1 h / -78 - 0 °C / Inert atmosphere 1.2: 12 h / 20 °C / Inert atmosphere 2.1: sodium carbonate; tetrakis(triphenylphosphine) palladium(0); Aliquat 336 / tetrahydrofuran; water; toluene / 20 h / 100 °C / Inert atmosphere |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 3 steps 1.1: n-butyllithium / tetrahydrofuran; hexane / 1 h / -78 - 0 °C / Inert atmosphere 1.2: 12 h / 20 °C / Inert atmosphere 2.1: sodium carbonate; tetrakis(triphenylphosphine) palladium(0); Aliquat 336 / tetrahydrofuran; water; toluene / 20 h / 100 °C / Inert atmosphere 3.1: N-Bromosuccinimide / chloroform; N,N-dimethyl-formamide / 18 h / 0 °C / Inert atmosphere |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1: n-butyllithium / tetrahydrofuran 2: tetrakis(triphenylphosphine) palladium(0) / toluene / 12 h / 120 °C / Inert atmosphere |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1: n-butyllithium / tetrahydrofuran 2: tetrakis(triphenylphosphine) palladium(0) / toluene / 12 h / 120 °C / Inert atmosphere |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 3 steps 1: n-butyllithium / tetrahydrofuran 2: tetrakis(triphenylphosphine) palladium(0) / toluene / 12 h / 120 °C / Inert atmosphere 3: tetrakis(triphenylphosphine) palladium(0) / toluene / 12 h / 120 °C / Inert atmosphere |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 4 steps 1: n-butyllithium / tetrahydrofuran 2: tetrakis(triphenylphosphine) palladium(0) / toluene / 12 h / 120 °C / Inert atmosphere 3: tetrakis(triphenylphosphine) palladium(0) / toluene / 12 h / 120 °C / Inert atmosphere 4: trichlorophosphate / 1,2-dichloro-ethane / 24 h / 0 - 85 °C / Inert atmosphere |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 4 steps 1: n-butyllithium / tetrahydrofuran 2: tetrakis(triphenylphosphine) palladium(0) / toluene / 12 h / 120 °C / Inert atmosphere 3: tetrakis(triphenylphosphine) palladium(0) / toluene / 12 h / 120 °C / Inert atmosphere 4: trichlorophosphate / 1,2-dichloro-ethane / 24 h / 0 - 85 °C / Inert atmosphere |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 5 steps 1.1: n-butyllithium / tetrahydrofuran 2.1: tetrakis(triphenylphosphine) palladium(0) / toluene / 12 h / 120 °C / Inert atmosphere 3.1: tetrakis(triphenylphosphine) palladium(0) / toluene / 12 h / 120 °C / Inert atmosphere 4.1: trichlorophosphate / 1,2-dichloro-ethane / 24 h / 0 - 85 °C / Inert atmosphere 5.1: tetrahydrofuran / 0.5 h / 0 °C / Inert atmosphere 5.2: 24.5 h / 0 - 50 °C / Inert atmosphere |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 5 steps 1.1: n-butyllithium / tetrahydrofuran 2.1: tetrakis(triphenylphosphine) palladium(0) / toluene / 12 h / 120 °C / Inert atmosphere 3.1: tetrakis(triphenylphosphine) palladium(0) / toluene / 12 h / 120 °C / Inert atmosphere 4.1: trichlorophosphate / 1,2-dichloro-ethane / 24 h / 0 - 85 °C / Inert atmosphere 5.1: tetrahydrofuran / 0.5 h / 0 °C / Inert atmosphere 5.2: 24.5 h / 0 - 50 °C / Inert atmosphere |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
0.96 g | Stage #1: 2,5-dibromothiophene-3,4-dicarboxylic acid chloride With aluminum (III) chloride In dichloromethane at 0℃; for 0.166667h; Stage #2: 2-(2'-hexyldecyl)thiophene In dichloromethane at 0 - 20℃; | 2.4.1 5,7-Dibromo-2-(2-hexyldecyl)benzo[1,2-b:4,5-c′]dithiophene-4,8-dione (2) 2,5-Dibromothiophene-3,4-dicarboxylic acid 1 (4.21g, 12.69 mmol) and dimethylformamide (DMF) (two drop) was dissolved in toluene (110mL), then oxalylchloride (4.6mL, 50.3mmol) was slowly added. The mixture was refluxed for 1h, and then cooled to room temperature. After removal of the solvent under vacuum, the 2,5-dibromothiophene-3,4-dicarboxylic acid chloride (3.93g, 10.71mmol) was used directly. A solution of the monomer in dry dichloromethane was added to a suspension of anhydrous AlCl3 (6.21g, 46.57mmol) in 10mL dichloromethane at 0°C. The mixture was stirred at 0°C for 10min. Then 2-(2- hexyldecyl)thiophene (3.01g, 9.74mmol) was added dropwise, the mixture was stirred overnight at room temperature and poured into ice water, then was extracted with dichloromethane and the organic layer was washed with brine and dried over anhydrous sodium sulfate. The resulting solvent was concentrated by evaporation. The crude product was purified through the silica gel column with petroleum ether/dichloromethane/diethyl ether (60:1:1 by volume) as eluent to give compound 2 as a yellow solid (0.96g, yield 16.4%). 1H NMR (600MHz, CDCl3, ppm): δ=7.31 (s, 1H), 2.83-2.80 (d, 2H), 1.69 (s, 1H), 1.53-1.12 (m, 24H), 0.86-0.80 (m, 6H). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1.1: n-butyllithium / tetrahydrofuran; hexane / 3 h / 0 - 30 °C 1.2: 1.5 h / 30 °C 1.3: 1 h / 30 °C 2.1: n-butyllithium / tetrahydrofuran; hexane / 2 h / -78 °C 2.2: -78 - 20 °C |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
76% | To a solution of 2-(2'-hexyldecyl)thiophene (2.7 g, 8.8 mmol) in THF (15 mL) was added n-BuLi (4.4 mL, 2.5 M in hexane) at 0 C. The mixture was stirred for 2 h at 0 C, and 1 h at 30 C. Then, benzo[1,2-b:4,5-b0]dithiophene-4,8-dione (2) (0.7 g, 3.2 mmol) was added in one portion at 30 C and the resulted mixture was stirred at 30 C for 1.5 h. The mixture was further stirred for 1 h after adding aqueous SnCl2 2H2O (6 g in 2 mL conc. HCl and 8 mL H2O). The mixture was then poured into water and extracted with hexane. The combined hexane layer was dried over Na2SO4, and after removing solvent, the crude product was purified by silica column using hexane as eluent to give a yellow liquid (1.9 g, 76 %). 1H NMR (300 MHz, CDCl3, δ): 7.66 (d, J 5.70 Hz, 2H), 7.48 (d, J 5.70 Hz,2H), 7.33 (d, J 3.48 Hz, 2H), 6.91 (d, J 3.48 Hz, 2H), 2.89 (d,J 6.66 Hz, 4H), 1.75 (br, 2H), 1.38-1.32 (br, 48H), 0.92-0.90 (br,12H). 13C NMR (125 MHz, CDCl3, δ): 145.95, 139.24, 137.44, 136.74,127.91, 127.64, 125.60, 124.32, 123.64, 40.27, 34.91, 33.61, 32.16,32.13, 31.82, 30.23, 29.87, 29.60, 26.88, 22.93, 14.36. HRMS (ESI): calcd for C50H74S4, 802.4673; found, 802.4677. | |
70.9% | Under argon atmosphere, dissolve 2-(2-hexyldecyl)thiophene (9.52g, 30.9mmol) in 60mL anhydrous THF, stir at 0 for fifteen minutes, then add n-butyllithium (1.6M, 22.21mL, 35.54mmol), then heat the system to 50C and stir for one hour, then add <strong>[32281-36-0]benzo[1,2-b:4,5-b']dithiophene-4,8-dione</strong> (2.27g, 10.3 mmol) was added to the reaction solution, and stirring was continued at 50C for one hour. After cooling, a 10% hydrochloric acid solution (33 mL) of SnCl2·2H2O (18.6g, 82.4mmol) was added to the reaction system and stirred for 1.5 hours. The reaction solution was poured into ice water, extracted with petroleum ether, the organic phase was dried, and the solvent was evaporated under reduced pressure. The crude product was purified by column chromatography to obtain a pale yellow oil (5.86 g, yield: 70.9%); |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
69% | With pyridine; aluminum (III) chloride In 1,2-dichloro-ethane at -20 - 0℃; for 1.33333h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1.1: N-Bromosuccinimide; acetic acid / chloroform / 0.5 h / 20 °C / Inert atmosphere; Cooling with ice 2.1: diisopropylamine / 0.33 h / Schlenk technique; Inert atmosphere 2.2: 0.25 h / 40 °C 2.3: Reflux; Inert atmosphere |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 3 steps 1.1: N-Bromosuccinimide; acetic acid / chloroform / 0.5 h / 20 °C / Inert atmosphere; Cooling with ice 2.1: diisopropylamine / 0.33 h / Schlenk technique; Inert atmosphere 2.2: 0.25 h / 40 °C 2.3: Reflux; Inert atmosphere 3.1: tetrakis(triphenylphosphine) palladium(0); copper(l) iodide; triethylamine / 20 °C / Inert atmosphere |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 4 steps 1.1: N-Bromosuccinimide; acetic acid / chloroform / 0.5 h / 20 °C / Inert atmosphere; Cooling with ice 2.1: diisopropylamine / 0.33 h / Schlenk technique; Inert atmosphere 2.2: 0.25 h / 40 °C 2.3: Reflux; Inert atmosphere 3.1: tetrakis(triphenylphosphine) palladium(0); copper(l) iodide; triethylamine / 20 °C / Inert atmosphere 4.1: cesium fluoride; caesium carbonate; tris-(dibenzylideneacetone)dipalladium(0); tri tert-butylphosphoniumtetrafluoroborate; hydroquinone / 1,4-dioxane / 18 h / 140 °C / Inert atmosphere; Sealed tube |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
9.26 g | With hydrogenchloride In 1,4-dioxane at 0 - 60℃; for 24.1667h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 4 steps 1.1: hydrogenchloride / 1,4-dioxane / 24.17 h / 0 - 60 °C 2.1: 6 h / 160 °C 3.1: potassium <i>tert</i>-butylate / tetrahydrofuran / 2 h / 0 - 20 °C 4.1: lithium derivatives / tetrahydrofuran / 0.33 h / -78 °C 4.2: 2 h / 0 - 50 °C 4.3: 2 h / 20 °C |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 5 steps 1.1: hydrogenchloride / 1,4-dioxane / 24.17 h / 0 - 60 °C 2.1: 6 h / 160 °C 3.1: potassium <i>tert</i>-butylate / tetrahydrofuran / 2 h / 0 - 20 °C 4.1: lithium derivatives / tetrahydrofuran / 0.33 h / -78 °C 4.2: 2 h / 0 - 50 °C 4.3: 2 h / 20 °C 5.1: lithium diisopropyl amide / tetrahydrofuran / 2 h / -40 °C / Inert atmosphere 5.2: 0.25 h / -40 - 20 °C |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1: hydrogenchloride / 1,4-dioxane / 24.17 h / 0 - 60 °C 2: 6 h / 160 °C |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 3 steps 1: hydrogenchloride / 1,4-dioxane / 24.17 h / 0 - 60 °C 2: 6 h / 160 °C 3: potassium <i>tert</i>-butylate / tetrahydrofuran / 2 h / 0 - 20 °C |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1.1: trichlorophosphate / 0.33 h / 0 °C / Inert atmosphere; Sealed tube 1.2: 3 h / 100 °C / Inert atmosphere; Sealed tube 2.1: ammonium acetate; acetic acid / 16 h / 110 °C / Inert atmosphere |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
53.9% | Stage #1: N,N-dimethyl-formamide With trichlorophosphate at 0℃; for 0.333333h; Inert atmosphere; Sealed tube; Stage #2: 2-(2'-hexyldecyl)thiophene at 100℃; for 3h; Inert atmosphere; Sealed tube; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1.1: triphenylphosphine; carbon tetrabromide 2.1: n-butyllithium / tetrahydrofuran; hexane / 1 h / -78 - 20 °C / Inert atmosphere; Sealed tube 2.2: 50 °C / Inert atmosphere; Sealed tube |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 3 steps 1.1: n-butyllithium / tetrahydrofuran / 1.25 h / 0 - 50 °C / Inert atmosphere 1.2: 1 h / 50 °C / Inert atmosphere 1.3: 1.5 h / Inert atmosphere 2.1: n-butyllithium / tetrahydrofuran / 1.5 h / -78 °C / Inert atmosphere 2.2: 2.5 h / -78 °C / Inert atmosphere 3.1: n-butyllithium / tetrahydrofuran / 1 h / -78 °C / Reflux |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1.1: n-butyllithium / tetrahydrofuran / 1.25 h / 0 - 50 °C / Inert atmosphere 1.2: 1 h / 50 °C / Inert atmosphere 1.3: 1.5 h / Inert atmosphere 2.1: n-butyllithium / tetrahydrofuran / 1.5 h / -78 °C / Inert atmosphere 2.2: 2.5 h / -78 °C / Inert atmosphere |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1.1: n-butyllithium / tetrahydrofuran / 2 h / -78 - 0 °C / Inert atmosphere 1.2: 0 - 20 °C / Inert atmosphere 2.1: palladium diacetate; triphenylphosphine / tetrahydrofuran; N,N-dimethyl-formamide / 24 h / 80 °C / Inert atmosphere |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 3 steps 1.1: n-butyllithium / tetrahydrofuran / 2 h / -78 - 0 °C / Inert atmosphere 1.2: 0 - 20 °C / Inert atmosphere 2.1: palladium diacetate; triphenylphosphine / tetrahydrofuran; N,N-dimethyl-formamide / 24 h / 80 °C / Inert atmosphere 3.1: N-Bromosuccinimide / N,N-dimethyl-formamide / 18 h / 0 - 20 °C / Inert atmosphere |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 4 steps 1.1: n-butyllithium / tetrahydrofuran / 2 h / -78 - 0 °C / Inert atmosphere 1.2: 0 - 20 °C / Inert atmosphere 2.1: palladium diacetate; triphenylphosphine / tetrahydrofuran; N,N-dimethyl-formamide / 24 h / 80 °C / Inert atmosphere 3.1: N-Bromosuccinimide / N,N-dimethyl-formamide / 18 h / 0 - 20 °C / Inert atmosphere 4.1: palladium diacetate; triphenylphosphine / tetrahydrofuran; 1,4-dioxane / 24 h / 80 °C / Inert atmosphere |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1.1: n-butyllithium / tetrahydrofuran / 4 h / 0 - 50 °C / Inert atmosphere 1.2: 1 h / 50 °C / Inert atmosphere 1.3: 1.5 h / 20 °C / Inert atmosphere 2.1: n-butyllithium / tetrahydrofuran / 2 h / 50 °C / Inert atmosphere 2.2: 2 h / 20 °C / Inert atmosphere |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
54.1% | Stage #1: 2-(2'-hexyldecyl)thiophene With n-butyllithium In tetrahydrofuran at 0 - 50℃; for 4h; Inert atmosphere; Stage #2: 4,8-dehydrobenzo[l,2-b:4,5-b′]difuran-4,8-dione In tetrahydrofuran at 50℃; for 1h; Inert atmosphere; Stage #3: With hydrogenchloride; tin(II) chloride dihdyrate In tetrahydrofuran; water at 20℃; for 1.5h; Inert atmosphere; |