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CAS No. : | 189178-09-4 | MDL No. : | MFCD09030768 |
Formula : | C24H15N | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | QGICIDGCKPUALM-UHFFFAOYSA-N |
M.W : | 317.38 | Pubchem ID : | 23443705 |
Synonyms : |
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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: |
* 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 |
---|---|---|
87% | With water; sodium hydroxide; In tetrahydrofuran; at 20℃; for 18h; | In reference to FIG. 2, a third compound according to the present invention, arbitrarily called CL64, was also synthesized, according to diagram 2 below, by a Sonogashira triple coupling between trialkyne 4b (obtained by deprotection of 4a in a basic medium) and 3.5 equivalents of the iodized derivative 5.More specifically, an aqueous solution of NaOH (1 M, 30 mL) is added to a solution of the compound 4a (2.33 g, 4.36 mmol) in THF (30 mL), and the mixture is agitated vigorously at 20 C. for 18 h. After evaporation of the THF, dichloromethane is added. The organic phase is separated, washed with water and dried (Na2SO4). The residue obtained after removal of the solvent is purified by chromatography on a silica column (heptane/CH2Cl2 90:10, then 85:15) to produce 1.20 g (87%) of the compound 4b.The air is purged with a solution of compound 4b (17.9 mg, 0.056 mmol), compound 5 (100 mg, 0.197 mmol) and tri-o-furylphosphine (0.52 mg, 2.26 μmol) in 1.5 mL of toluene/Et3N (5/1) by argon bubbling for 30 min. Then, Pd2 dba3 (0.26 mg, 0.28 μmol) is added, and the mixture is agitated at 20 C. for 20 h. After evaporation of the solvent under reduced pressure, the raw product is purified by chromatography on a silica column (heptane/CH2Cl2 60:40, then 50:50) to produce 19 mg (24%) of CL64. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
80% | In flame dried Schlenk flask (100 mL), <strong>[189178-09-4]tris(4-ethynylphenyl)amine</strong> (105.8 mg, 0.33 mmol), Pd(PPh3)4 (62.4mg, 0.054 mol), CuI (3.4mg, 0.018mmol), and anhydrous THF (10 mL) were charged under N2 atmosphere. After 30 min stirring, 4-bromo-1,8-napthalimide (328.9 mg,0.99 mmol) in anhydrous THF (20 mL) and Et3N (6 mL) were added. The mixture was stirred at room temperature overnight. After the starting materials were full reacted, as confirmed by TLC, the mixture was poured to distilled water 50mL. Then, it was extracted by dichloromethane (25 mL × 3). The organic phase dried over Mg2SO4 and evaporated in vacuum. The residue was loaded to the column. Column separation (silica gel 200-300 mesh,eluent: dichloromethane/petroleum = 2/1) produced 286 mg yellow powder (80%).Mp: 281-284C; IR (KBr, υ, cm-1): 780, 1085, 1235, 1274, 1319, 1353, 1503, 1511, 1587,1660, 1697, 2196, 2960. 1H NMR(400 MHz, CDCl3): δ (ppm): 8.73 (3H, d, J = 8.0 Hz), 8.65(3H, d, J = 8.0 Hz), 8.56 (3H, d, J = 8.0 Hz), 7.95 (3H, d, J = 8.0 Hz), 7.84 (3H, t, J = 8.0Hz), 7.64 (6H, d, J = 8.0 Hz), 7.23 (6H, d, J = 8.0 Hz), 4.20 (6H, t, J = 8.0 Hz), 1.73 (6H, m), 1.53-1.44 (6H, m), 0.99 (9H, t, J = 8.0 Hz). 13C NMR (100 MHz, CDCl3): δ (ppm): 164.1,163.9, 147.4, 133.5, 132.4, 131.73, 131.67, 130.7, 130.5, 128.2, 127.7, 127.6, 124.5, 123.2, 122.2,118.1, 117.5, 99.1, 86.8, 40.5, 30.4, 29.8, 20.6, 14.0.Maldi-Tof: [M+H]+ C72H56N4O5 requires1071.412; found [M+H]+ 1071.501; and [M+2H]+ C72H57N4O5 requires 1072.420; found1072.508 (Base). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
22% | With triethylamine;tris-(dibenzylideneacetone)dipalladium(0); trifuran-2-yl-phosphane; In toluene; at 20℃; for 20h;Inert atmosphere; | Synthesis of 4-[(4-azidophenyl)ethynyl]-N,N-bis[4-[(4-azidophenyl)ethynyl]phenyl]-benzenamine (11) In reference to , this compound was synthesised, according to diagram 5 below. The air is purged from a solution of 4-ethynyl-N,N-bis(4-ethynylphenyl)benzenamine (4b), (64 mg, 0.202 mmol), 1-azido-4-iodo-benzene (10) (197.6 mg, 0.807 mmol) and tri-2-furylphosphine (2 mg, 8.6 micromol) in 6 mL of toluene/Et3N (5/1) by argon bubbling for 30 min. Then, tris(dibenzylideneacetone)-dipalladium (0) (11 mg, 12 micromol) is added and the mixture is agitated at 20 C. for 20 h. After evaporation of the solvent under reduced pressure, the raw product is purified by chromatography on a silica column (heptane/CH2Cl2 80:20) to produce 30 mg (22%) of 11. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
24% | With triethylamine;tris-(dibenzylideneacetone)dipalladium(0); trifuran-2-yl-phosphane; In toluene; at 20℃; for 20h;Inert atmosphere; | In reference to FIG. 2, a third compound according to the present invention, arbitrarily called CL64, was also synthesized, according to diagram 2 below, by a Sonogashira triple coupling between trialkyne 4b (obtained by deprotection of 4a in a basic medium) and 3.5 equivalents of the iodized derivative 5.More specifically, an aqueous solution of NaOH (1 M, 30 mL) is added to a solution of the compound 4a (2.33 g, 4.36 mmol) in THF (30 mL), and the mixture is agitated vigorously at 20 C. for 18 h. After evaporation of the THF, dichloromethane is added. The organic phase is separated, washed with water and dried (Na2SO4). The residue obtained after removal of the solvent is purified by chromatography on a silica column (heptane/CH2Cl2 90:10, then 85:15) to produce 1.20 g (87%) of the compound 4b.The air is purged with a solution of compound 4b (17.9 mg, 0.056 mmol), compound 5 (100 mg, 0.197 mmol) and tri-o-furylphosphine (0.52 mg, 2.26 μmol) in 1.5 mL of toluene/Et3N (5/1) by argon bubbling for 30 min. Then, Pd2 dba3 (0.26 mg, 0.28 μmol) is added, and the mixture is agitated at 20 C. for 20 h. After evaporation of the solvent under reduced pressure, the raw product is purified by chromatography on a silica column (heptane/CH2Cl2 60:40, then 50:50) to produce 19 mg (24%) of CL64. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
58% | With triethylamine;tris-(dibenzylideneacetone)dipalladium(0); trifuran-2-yl-phosphane; In toluene; at 20℃; for 15h;Inert atmosphere; | In reference to FIG. 6, a seventh compound according to the present invention, arbitrarily called MC297, was synthesized according to diagram 6 below.The air is purged from a solution of 3,5-bis((E)-2-phenylethenyl)-8-(4-iodophenyl)-4,4'-difluoroboroadiazaindacene (17) (105 mg, 0.176 mmol), 4-ethynyl-N,N-bis(4-ethynylphenyl)-benzenamine (4b) (15.9 mg, 0.050 mmol) and tri-2-furylphosphine (0.5 mg, 2.15 micromol) in 2 mL of toluelle/Et3N (5/1) by argon bubbling for 20 min. Then, tris(dibenzylideneacetone)-dipalladium (0) (2.8 mg, 3.06 micromol) is added and the mixture is agitated at 20 C. for 15 h. After evaporation of the solvent under reduced pressure, the raw product is purified by chromatography on a silica column (heptane/CH2Cl2 70:30, 50/50 then pule CH2Cl2) to produce 50 mg (58%) of MC303. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
43% | With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine; In toluene; at 46℃; for 60h;Inert atmosphere; | Air was removed from a solution of 7b (214 mg g, 0.321 mmol) in 9 mL oftoluene/Et3N (5/1) by blowing argon for 20 min. Then CuI (3.7 mg,0.019 mmol), Pd(PPh3)2Cl2 (13.5 mg, 0.019mmol) and 9 2 (34mg, 0.107 mmol) were added, and the mixture was stirred at 40 C for 60 h. Afterevaporation of the solvents, the residue was purified by column chromatography(SiO2, CH2Cl2/MeOH gradient from 100:0 to 95:5)to yield 89 mg (43%) of 10a; 1H NMR (300.13 MHz, CDCl3) d 1.65 (s, 18H), 2.38 (t, J = 7.2Hz, 12H), 2.54 (br s, 3H), 2.76 (m,12H), 3.18 - 3.21 (m, 12H), 3.34 (s, 18H), 3.36 -3.40 (m,12H), 3.46 - 3.55 (m, 24H), 7.12 and 7.48 (AA’XX’, JAX = 8.5 Hz, 12H), 7.41 (dd, J = 7.9 Hz, J = 1.2 Hz, 3H),7.49 (m, 3H), 7.50 (dd, J = 7.9 Hz, J = 1.2Hz, 3H), 7.56 (m, 3H), 7.60 (d, J = 7.9 Hz, 3H), 7.63 (d, J = 7.9 Hz, 3H); 13C NMR (75.46 MHz, CDCl3) d 31.4, 39.5, 51.2, 58.9, 65.4, 66.7, 69.9, 70.3, 71.7, 82.4, 89.8, 90.0,94.5, 117.8,119.8, 120.0, 121.7, 122.4, 124.0, 126.1, 126.5, 130.9, 131.0, 132.7, 139.7,139.8, 146.6, 149.2, 149.3.b |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
52% | With copper(l) iodide; trans-bis(triphenylphosphine)palladium dichloride; triethylamine; triphenylphosphine; In N,N-dimethyl-formamide; at 60℃; for 30h;Inert atmosphere; | A 20 mL flask was charged with <strong>[189178-09-4]tris(4-ethynylphenyl)amine</strong> (2) (0.317 g, 1 mmol), 2-(4-bromophenyl)-1-phenyl-1H-benzo[d]imidazole (3) (1.396 g, 4 mmol), PPh3 (0.104 g, 10%), CuI (0.076 g, 10%) and Pd(PPh3)2Cl2 (0.140 g, 5%). The mixture was degassed and backfilled with argon before injecting dried NEt3 (4 mL) and dried DMF (7.5 mL). The mixture was sealed with a rubber septum and heated to 60 C for 30 h, then quenched with NH4Cl and extracted with CHCl3. The organic layer was washed with brine for 2 times and dried over MgSO4 before the solvents was evaporated in vacuum. The residue was purified with column chromatography on silica gel using dichloromethane:hexane (10:1) as eluent to give a yellow solid of p-ETBN. Yield: 0.58 g, 52%. 1H NMR (400 MHz, CDCl3): 7.98-7.92 (m, 3H), 7.57 (br, 6H), 7.57-7.54 (m, 9H), 7.46-7.44 (d, 6H, J=7.62Hz), 7.41-7.39(d, 9H, J=8.50Hz), 7.34 (br, 9H), 7.27-7.24 (m, 3H), 7.06-7.04 (6H, J=6.07Hz), 13C NMR (100 MHz, CDCl3): 151.5, 162.5, 146.8, 142.4, 137.1, 136.7, 132.9, 131.4, 130.1, 142.7, 123.8, 123.4, 119.7, 117.7, 110.6, 91.4, 88.9. MALDI-TOF mass: 1122.5 (M+). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
35% | With copper(l) iodide; trans-bis(triphenylphosphine)palladium dichloride; triethylamine; triphenylphosphine; In N,N-dimethyl-formamide; at 60℃; for 30h;Inert atmosphere; | A 20 mL flask was charged with <strong>[189178-09-4]tris(4-ethynylphenyl)amine</strong> (2) (0.317 g, 1 mmol), 2-(3-bromophenyl)-1-phenyl-1H-benzo[d]imidazole (4) (1.396 g, 4 mmol), PPh3 (0.104 g, 10%), CuI (0.076 g, 10%) and Pd(PPh3)2Cl2 (0.140 g, 5%). The mixture was degassed and backfilled with argon before injecting dried NEt3 (4 mL) and dried DMF (7.5 mL). The mixture was sealed with a rubber septum and heated to 60 C for 30 h, then quenched with NH4Cl and extracted with CHCl3. The organic layer was washed with brine for 2 times and dried over MgSO4 before the solvents was evaporated in vacuum. The residue was purified with column chromatography on silica gel using dichloromethane:hexane (10:1) as eluent to give a yellow solid of m-ETBN. Yield: 3.93 g, 35%. 1H NMR (400 MHz, CDCl3): 7.94-7.90 (t, 6H, J=8.22Hz), 7.56-7.48 (m, 12H), 7.41-7.27 (m, 12H), 7.35-7.33 (d, 6H, J=7.00Hz), 7.32-7.22 (m, 9H), 7.08-7.06 (d, 6H, J=7.87Hz). 13C NMR (100 MHz, CDCl3): 151.4, 146.7, 142.7, 137.1, 136.6, 132.9, 132.3, 130.2, 129.9, 128.7, 128.2, 127.4, 124.0, 123.6, 123.3, 119.9, 117.7, 90.0, 88.5. MALDI-TOF mass: 1122.2 (M+). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
67% | With copper(l) iodide; diethylamine; at 20℃; for 16h;Inert atmosphere; Schlenk technique; | An oven dried Schlenk flask was charged with dry HNEt2 (10 cm3) and the solvent degassed. To this solution, PtI(C6H4N(C6H4OCH3-4)2)(PPh3)2 (150 mg, 0.130 mmol), CuI (3 mg) and triethynylphenylamine (13 mg, 0.043 mmol) were added and the solution stirred at room temperature for 16 h. The precipitate was filtered, washed with ethanol (3 * 5 cm3), hexane (3 * 5 cm3) and methanol (3 x 5 cm3) and dried under airflow for 1 h. Yield 98 mg, 67%. 1H NMR (CD2Cl2): δ 3.76 (s, 18H, Ha), 5.93 (d, J = 9 Hz, 6H, Hr), 6.11 (d, J = 8 Hz, 6H, Hh), 6.31 (d, J = 9 Hz, 6H, Hq), 6.69 (d, J = 8 Hz, 6H, Hg), 6.73 (m, 24H, Hc and d) 7.32 (vt, J = 8 Hz, 36H, Hk), 7.39 (t, J = 8 Hz, 18H, Hm), 7.62 (m, 36H, Hl). 31P NMR (CD2Cl2): 20.93 (JPt-P = 2998 Hz). 13C NMR (CD2Cl2): 154.29 (Cb, s), 142.30 (Ce, s), 143.90 (Cs, s), 141.66 (Cf, s), 139.55 (Cg, s), 134.83 (Cl, t, JC-P = 5 Hz), 131.76 (Cj, t, JC-P = 28 Hz), 130.96 (Cr, s), 129.78 (Cm, s), 127.60 (Ck, t, JC-P = 5 Hz), 124.11 (Cc, s), 123.93 (Ch, s), 122.73 (Cq, s), 113.92 (Cd, s), 55.40 (Ca, s). MALDI-MS(+) m/z: 3385.6 [M+H]+. IR (CH2Cl2) ν(C≡C) 2105 cm-1. Anal. Calc. for: C, 68.10; H, 4.64; N, 1,65. Found: C, 67.87; H, 4.48; N, 1.69%. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
38% | With copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); diisopropylamine; In 1,4-dioxane; at 92℃; for 12h;Inert atmosphere; | General procedure: A mixture of 4,4',4''-tris(ethynyl)triphenylamine 11 (80 mg,0.25 mmol) and the corresponding bromo derivative (0.91 mmol) was dissolved in a mixture of 1,4-dioxane (20 mL) and diisopropylamine (5 mL). Nitrogen was bubbled through the mixture for 10 min whereupon [Pd(PPh3)4] (29 mg, 0.025 mmol, 10%) and CuI (9 mg, 0.05 mmol, 20%) were added and the reaction mixture wasstirred 92 C for 12 h. The reaction was quenched with water (50 mL), extracted with DCM (2 x 100 mL) and the combined organic extracts were dried over MgSO4 and the solvents were evaporated in vacuo. The crude product was purified by column chromatography with the indicated stationary phase and the solvent system. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
60% | With copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); diisopropylamine; In 1,4-dioxane; at 92℃; for 12h;Inert atmosphere; | General procedure: A mixture of 4,4',4''-tris(ethynyl)triphenylamine 11 (80 mg,0.25 mmol) and the corresponding bromo derivative (0.91 mmol) was dissolved in a mixture of 1,4-dioxane (20 mL) and diisopropylamine (5 mL). Nitrogen was bubbled through the mixture for 10 min whereupon [Pd(PPh3)4] (29 mg, 0.025 mmol, 10%) and CuI (9 mg, 0.05 mmol, 20%) were added and the reaction mixture wasstirred 92 C for 12 h. The reaction was quenched with water (50 mL), extracted with DCM (2 x 100 mL) and the combined organic extracts were dried over MgSO4 and the solvents were evaporated in vacuo. The crude product was purified by column chromatography with the indicated stationary phase and the solvent system. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
28% | With copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); diisopropylamine; In 1,4-dioxane; at 92℃; for 12h;Inert atmosphere; | General procedure: A mixture of 4,4',4''-tris(ethynyl)triphenylamine 11 (80 mg,0.25 mmol) and the corresponding bromo derivative (0.91 mmol) was dissolved in a mixture of 1,4-dioxane (20 mL) and diisopropylamine (5 mL). Nitrogen was bubbled through the mixture for 10 min whereupon [Pd(PPh3)4] (29 mg, 0.025 mmol, 10%) and CuI (9 mg, 0.05 mmol, 20%) were added and the reaction mixture wasstirred 92 C for 12 h. The reaction was quenched with water (50 mL), extracted with DCM (2 x 100 mL) and the combined organic extracts were dried over MgSO4 and the solvents were evaporated in vacuo. The crude product was purified by column chromatography with the indicated stationary phase and the solvent system. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
28% | With copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); diisopropylamine; In 1,4-dioxane; at 92℃; for 12h;Inert atmosphere; | General procedure: A mixture of 4,4',4''-tris(ethynyl)triphenylamine 11 (80 mg,0.25 mmol) and the corresponding bromo derivative (0.91 mmol) was dissolved in a mixture of 1,4-dioxane (20 mL) and diisopropylamine (5 mL). Nitrogen was bubbled through the mixture for 10 min whereupon [Pd(PPh3)4] (29 mg, 0.025 mmol, 10%) and CuI (9 mg, 0.05 mmol, 20%) were added and the reaction mixture wasstirred 92 C for 12 h. The reaction was quenched with water (50 mL), extracted with DCM (2 x 100 mL) and the combined organic extracts were dried over MgSO4 and the solvents were evaporated in vacuo. The crude product was purified by column chromatography with the indicated stationary phase and the solvent system. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
23% | With copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); diisopropylamine; In 1,4-dioxane; at 92℃; for 12h;Inert atmosphere; | General procedure: A mixture of 4,4',4''-tris(ethynyl)triphenylamine 11 (80 mg,0.25 mmol) and the corresponding bromo derivative (0.91 mmol) was dissolved in a mixture of 1,4-dioxane (20 mL) and diisopropylamine (5 mL). Nitrogen was bubbled through the mixture for 10 min whereupon [Pd(PPh3)4] (29 mg, 0.025 mmol, 10%) and CuI (9 mg, 0.05 mmol, 20%) were added and the reaction mixture wasstirred 92 C for 12 h. The reaction was quenched with water (50 mL), extracted with DCM (2 x 100 mL) and the combined organic extracts were dried over MgSO4 and the solvents were evaporated in vacuo. The crude product was purified by column chromatography with the indicated stationary phase and the solvent system. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
95% | With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; N-ethyl-N,N-diisopropylamine; In tetrahydrofuran; at 50℃; for 16h;Schlenk technique; Inert atmosphere; | In a 1 mL-schlenck tube, <strong>[189178-09-4]tris(4-ethynylphenyl)amine</strong> 1a (13 mg, 0.042 mmol), iodinated squaraine dye 2 (100 mg, 0.13 mmol), Pd(PPh3)2Cl2 (1.5 mg, 0.0021 mmol), and CuI (0.4 mg, 0.002 mmol) was mixed in degassed THF-diisopropylamine (10/7 (v/v), 0.34 mL) under nitrogen atmosphere, and then heated at 50 C for 16 h. After cooling, the solvent was removed at reduced pressure, and the residue was purified by column chromatography (SiO2, CHCl3/CH3OH, 20/1-10/1) to give DTSQ as blue solid (93 mg, 0.040 mmol, 95%). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); triethylamine; at 20℃;Inert atmosphere; | (5) Under the protection of argon, triphenylamine (25 g, 0.407 mol), triethylamine (30 mL), cuprous iodide(0.35 g, 0.00203 mol), followed by the dropwise addition of trimethylsilylacetylene (34.5 ml, 0244 mol), followed by reaction at room temperature for 20 to 22 hours after the dropwise addition (0.4 g, 0.00203 mol) After the reaction, triethylamine was removed, methanol and excess sodium carbonate were added to the crude product, followed by stirring at room temperature for 24 to 26 hours. After completion of the reaction, methanol was removed, and petroleum ether and ethyl acetate (the volume ratio of the two was 4: 1) as a eluent,Separation by chromatography column to obtain pureTris (4-acetophenylene)amine. |
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