1-(1-Bromo-2,2,2-trifluoroethyl)-3,5-dichlorobenzene

Conditions: temp:180.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: To a stirred solution of 1-(1-bromo-2,2,2-trifluoro-ethyl)-3,5-dichloro-benzene (2.0 g, 6.51 mmol) in 1,2-dichlorobenzene (25 mL), were added 1-(4-vinyl-phenyl)-1H-[1,2,4]triazole (2.22 g, 13.0 mmol), CuCl (64 mg, 0.65 mmol) and 2,2-bipyridyl (0.2 g, 1.3 mmol). The resultant reaction mixture was degassed with argon for 30 min, then stirred at 180° C. for 24 h. After completion of reaction (TLC), the reaction mixture was cooled to ambient temperature and filtered and the filtrate concentrated under reduced pressure. Purification by flash chromatography (SiO2, 100-200 mesh; 25-30% EtOAc in petroleum ether) afforded the title compound as an off-white solid (0.8 g, 32%): mp 93-97° C.; 1H NMR (300 MHz, CDCl3) δ 8.56 (s, 1H), 8.11 (s, 1H), 7.68 (d, J=8.4 Hz, 2H), 7.54 (d, J=8.4 Hz, 2H), 7.38 (t, J=1.8 Hz, 1H), 7.29 (s, 2H), 6.62 (d, J=15.6 Hz, 1H), 6.42 (dd, J=15.6, 8.2 Hz, 1H), 4.15 (m, 1H); ESIMS m/z 398.05 ([M+H]+). The resultant reaction mixture was degassed with argon for 30 min After completion of reaction (TLC) the reaction mixture was cooled to ambient temperature filtered the filtrate concentrated under reduced pressure Purification by flash chromatography (SiO2, 100-200 mesh; 25-30% EtOAc in petroleum ether)

Conditions: temp:180.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: To a stirred solution of 1-(1-bromo-2,2,2-trifluoro-ethyl)-3,5-dichloro-benzene (2.0 g, 6.51 mmol) in 1,2-dichlorobenzene (25 mL), were added 1-(4-vinyl-phenyl)-1H-[1,2,4]triazole (2.22 g, 13.0 mmol), CuCl (64 mg, 0.65 mmol) and 2,2-bipyridyl (0.2 g, 1.3 mmol). The resultant reaction mixture was degassed with argon for 30 min, then stirred at 180° C. for 24 h. After completion of reaction (TLC), the reaction mixture was cooled to ambient temperature and filtered and the filtrate concentrated under reduced pressure. Purification by flash chromatography (SiO2, 100-200 mesh; 25-30% EtOAc in petroleum ether) afforded the title compound as an off-white solid (0.8 g, 32%): mp 93-97° C.; 1H NMR (300 MHz, CDCl3) δ 8.56 (s, 1H), 8.11 (s, 1H), 7.68 (d, J=8.4 Hz, 2H), 7.54 (d, J=8.4 Hz, 2H), 7.38 (t, J=1.8 Hz, 1H), 7.29 (s, 2H), 6.62 (d, J=15.6 Hz, 1H), 6.42 (dd, J=15.6, 8.2 Hz, 1H), 4.15 (m, 1H); ESIMS m/z 398.05 ([M+H]+). The resultant reaction mixture was degassed with argon for 30 min After completion of reaction (TLC) the reaction mixture was cooled to ambient temperature filtered the filtrate concentrated under reduced pressure Purification by flash chromatography (SiO2, 100-200 mesh; 25-30% EtOAc in petroleum ether)

Conditions: temp:180.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: To a stirred solution of 2-(2-chloro-4-vinylbenzyl)isoindoline-1,3-dione (2.0 g, 6.51 mmol) in 1,2-dichlorobenzene (25 mL) were added 1-(1-bromo-2,2,2-trifluoroethyl)-3,5-dichlorobenzene (3.48 g, 11.36 mmol), CuCl (112 mg, 1.13 mmol) and 2,2-bipyridyl (0.35 g). The resultant reaction mixture was degassed with argon for 30 min and then was stirred at 180° C. for 24 h. After the reaction was deemed complete by TLC, the reaction mixture was cooled to ambient temperature and filtered, and the filtrate was concentrated under reduced pressure. The residue was purified by flash chromatography (SiO2, 100-200 mesh; 25-30% EtOAc in n-hexane) to afford the title compound as solid (1.3 g, 50%): mp 141-143° C.; 1H NMR (400 MHz, CDCl3) δ 7.92 (m, 2H), 7.79 (m, 2H), 7.42 (m, 2H), 7.24 (m, 2H), 7.20 (m, 2H), 6.54 (d, J=16.0 Hz, 1H), 6.34 (dd, J=16.0, 8.0 Hz, 1H), 5.00 (s, 2H), 4.10 (m, 1H); ESIMS m/z 524.07 ([M+H]+). The resultant reaction mixture was degassed with argon for 30 min the reaction mixture was cooled to ambient temperature filtered the filtrate was concentrated under reduced pressure The residue was purified by flash chromatography (SiO2, 100-200 mesh; 25-30% EtOAc in n-hexane)

Conditions: temp:180.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: To a stirred solution of ethyl 2-methyl-4-vinylbenzoate (2.0 g, 10.5 mmol) in 1,2-dichlorobenzene (25 mL) were added 1-(1-bromo-2,2,2-trifluoroethyl)-3,5-dichlorobenzene (6.44 g, 21.0 mmol), CuCl (208 mg, 21 mmol) and 2,2bipyridyl (0.65 g, 4.1 mmol). The reaction mixture was degassed with argon for 30 min and then stirred at 180° C. for 24 h. After the reaction was deemed complete by TLC, the reaction mixture was cooled to 25° C. and filtered, and the filtrate was concentrated under reduced pressure. Purification by flash chromatography (SiO2, 100-200 mesh; eluting with 25-30% EtOAc in petroleum ether) afforded the title compound as a solid (1.7 g, 40%): 1H NMR (400 MHz, CDCl3) δ 7.91 (d, J =8.0 Hz, 1H), 7.37 (m, 1H), 7.27-7.24 (m, 4H), 6.59 (d, J=16.0 Hz, 1H), 6.59 (dd, J=16.0, 8.0 Hz, 1H), 4.38 (q, J=7.2 Hz, 2H), 4.08 (m, 1H), 2.62 (s, 3H), 1.42 (t, J=7.2 Hz, 3H); ESIMS m/z 415.06 ([M−H]−); IR (thin film) 1717, 1255, 1114 cm−1. The reaction mixture was degassed with argon for 30 min the reaction mixture was cooled to 25° C. filtered the filtrate was concentrated under reduced pressure Purification by flash chromatography (SiO2, 100-200 mesh; eluting with 25-30% EtOAc in petroleum ether)

Conditions: temp:180.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: To a stirred solution of 1-(1-bromo-2,2,2-trifluoro-ethyl)-3,5-dichloro-benzene (2.0 g, 6.51 mmol) in 1,2-dichlorobenzene (25 mL), were added 1-(4-vinyl-phenyl)-1H-[1,2,4]triazole (2.22 g, 13.0 mmol), CuCl (64 mg, 0.65 mmol) and 2,2-bipyridyl (0.2 g, 1.3 mmol). The resultant reaction mixture was degassed with argon for 30 min, then stirred at 180° C. for 24 h. After completion of reaction (TLC), the reaction mixture was cooled to ambient temperature and filtered and the filtrate concentrated under reduced pressure. Purification by flash chromatography (SiO2, 100-200 mesh; 25-30% EtOAc in petroleum ether) afforded the title compound as an off-white solid (0.8 g, 32%): mp 93-97° C.; 1H NMR (300 MHz, CDCl3) δ 8.56 (s, 1H), 8.11 (s, 1H), 7.68 (d, J=8.4 Hz, 2H), 7.54 (d, J=8.4 Hz, 2H), 7.38 (t, J=1.8 Hz, 1H), 7.29 (s, 2H), 6.62 (d, J=15.6 Hz, 1H), 6.42 (dd, J=15.6, 8.2 Hz, 1H), 4.15 (m, 1H); ESIMS m/z 398.05 ([M+H]+). The resultant reaction mixture was degassed with argon for 30 min After completion of reaction (TLC) the reaction mixture was cooled to ambient temperature filtered the filtrate concentrated under reduced pressure Purification by flash chromatography (SiO2, 100-200 mesh; 25-30% EtOAc in petroleum ether)

Conditions: temp:180.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: To a stirred solution of 2-(2-chloro-4-vinylbenzyl)isoindoline-1,3-dione (2.0 g, 6.51 mmol) in 1,2-dichlorobenzene (25 mL) were added 1-(1-bromo-2,2,2-trifluoroethyl)-3,5-dichlorobenzene (3.48 g, 11.36 mmol), CuCl (112 mg, 1.13 mmol) and 2,2-bipyridyl (0.35 g). The resultant reaction mixture was degassed with argon for 30 min and then was stirred at 180° C. for 24 h. After the reaction was deemed complete by TLC, the reaction mixture was cooled to ambient temperature and filtered, and the filtrate was concentrated under reduced pressure. The residue was purified by flash chromatography (SiO2, 100-200 mesh; 25-30% EtOAc in n-hexane) to afford the title compound as solid (1.3 g, 50%): mp 141-143° C.; 1H NMR (400 MHz, CDCl3) δ 7.92 (m, 2H), 7.79 (m, 2H), 7.42 (m, 2H), 7.24 (m, 2H), 7.20 (m, 2H), 6.54 (d, J=16.0 Hz, 1H), 6.34 (dd, J=16.0, 8.0 Hz, 1H), 5.00 (s, 2H), 4.10 (m, 1H); ESIMS m/z 524.07 ([M+H]+). The resultant reaction mixture was degassed with argon for 30 min the reaction mixture was cooled to ambient temperature filtered the filtrate was concentrated under reduced pressure The residue was purified by flash chromatography (SiO2, 100-200 mesh; 25-30% EtOAc in n-hexane)

Conditions: temp:180.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: To a stirred solution of 2-(2-chloro-4-vinylbenzyl)isoindoline-1,3-dione (2.0 g, 6.51 mmol) in 1,2-dichlorobenzene (25 mL) were added 1-(1-bromo-2,2,2-trifluoroethyl)-3,5-dichlorobenzene (3.48 g, 11.36 mmol), CuCl (112 mg, 1.13 mmol) and 2,2-bipyridyl (0.35 g). The resultant reaction mixture was degassed with argon for 30 min and then was stirred at 180° C. for 24 h. After the reaction was deemed complete by TLC, the reaction mixture was cooled to ambient temperature and filtered, and the filtrate was concentrated under reduced pressure. The residue was purified by flash chromatography (SiO2, 100-200 mesh; 25-30% EtOAc in n-hexane) to afford the title compound as solid (1.3 g, 50%): mp 141-143° C.; 1H NMR (400 MHz, CDCl3) δ 7.92 (m, 2H), 7.79 (m, 2H), 7.42 (m, 2H), 7.24 (m, 2H), 7.20 (m, 2H), 6.54 (d, J=16.0 Hz, 1H), 6.34 (dd, J=16.0, 8.0 Hz, 1H), 5.00 (s, 2H), 4.10 (m, 1H); ESIMS m/z 524.07 ([M+H]+). The resultant reaction mixture was degassed with argon for 30 min the reaction mixture was cooled to ambient temperature filtered the filtrate was concentrated under reduced pressure The residue was purified by flash chromatography (SiO2, 100-200 mesh; 25-30% EtOAc in n-hexane)

Conditions: temp:180.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: To a stirred solution of ethyl 2-methyl-4-vinylbenzoate (2.0 g, 10.5 mmol) in 1,2-dichlorobenzene (25 mL) were added 1-(1-bromo-2,2,2-trifluoroethyl)-3,5-dichlorobenzene (6.44 g, 21.0 mmol), CuCl (208 mg, 21 mmol) and 2,2bipyridyl (0.65 g, 4.1 mmol). The reaction mixture was degassed with argon for 30 min and then stirred at 180° C. for 24 h. After the reaction was deemed complete by TLC, the reaction mixture was cooled to 25° C. and filtered, and the filtrate was concentrated under reduced pressure. Purification by flash chromatography (SiO2, 100-200 mesh; eluting with 25-30% EtOAc in petroleum ether) afforded the title compound as a solid (1.7 g, 40%): 1H NMR (400 MHz, CDCl3) δ 7.91 (d, J=8.0 Hz, 1H), 7.37 (m, 1H), 7.27-7.24 (m, 4H), 6.59 (d, J=16.0 Hz, 1H), 6.59 (dd, J=16.0, 8.0 Hz, 1H), 4.38 (q, J=7.2 Hz, 2H), 4.08 (m, 1H), 2.62 (s, 3H), 1.42 (t, J=7.2 Hz, 3H); ESIMS m/z 415.06 ([M−H]−); IR (thin film) 1717, 1255, 1114 cm−1. The reaction mixture was degassed with argon for 30 min the reaction mixture was cooled to 25° C. filtered the filtrate was concentrated under reduced pressure Purification by flash chromatography (SiO2, 100-200 mesh; eluting with 25-30% EtOAc in petroleum ether)

Conditions: temp:25.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: 1-(1-Bromo-2,2,2-trifluoroethyl)-3,5-dichlorobenzene (AI1). To a stirred solution of 1-(3,5-dichlorophenyl)-2,2,2-trifluoroethanol (4.0 g, 16.3 mmol) in CH2Cl2 (50 mL), were added NBS (2.9 g, 16.3 mmol) and triphenyl phosphite (5.06 g, 16.3 mmol), and the resultant reaction mixture was heated at reflux for 18 h. After the reaction was deemed complete by TLC, the reaction mixture was cooled to 25° C. and was concentrated under reduced pressure. Purification by flash column chromatography (SiO2, 100-200 mesh; eluting with 100% pentane) afforded the title compound as a liquid (2.0 g, 40%): 1H NMR (400 MHz, CDCl3) δ 7.41 (s, 3H), 5.00 (m, 1H); EIMS m/z 306 ([M]+). the resultant reaction mixture was heated at reflux for 18 h was concentrated under reduced pressure Purification by flash column chromatography (SiO2, 100-200 mesh; eluting with 100% pentane)

Conditions: temp:180.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: To a stirred solution of 2-(2-chloro-4-vinylbenzyl)isoindoline-1,3-dione (2.0 g, 6.51 mmol) in 1,2-dichlorobenzene (25 mL) were added 1-(1-bromo-2,2,2-trifluoroethyl)-3,5-dichlorobenzene (3.48 g, 11.36 mmol), CuCl (112 mg, 1.13 mmol) and 2,2-bipyridyl (0.35 g). The resultant reaction mixture was degassed with argon for 30 min and then was stirred at 180° C. for 24 h. After the reaction was deemed complete by TLC, the reaction mixture was cooled to ambient temperature and filtered, and the filtrate was concentrated under reduced pressure. The residue was purified by flash chromatography (SiO2, 100-200 mesh; 25-30% EtOAc in n-hexane) to afford the title compound as solid (1.3 g, 50%): mp 141-143° C.; 1H NMR (400 MHz, CDCl3) δ 7.92 (m, 2H), 7.79 (m, 2H), 7.42 (m, 2H), 7.24 (m, 2H), 7.20 (m, 2H), 6.54 (d, J=16.0 Hz, 1H), 6.34 (dd, J=16.0, 8.0 Hz, 1H), 5.00 (s, 2H), 4.10 (m, 1H); ESIMS m/z 524.07 ([M+H]+). The resultant reaction mixture was degassed with argon for 30 min the reaction mixture was cooled to ambient temperature filtered the filtrate was concentrated under reduced pressure The residue was purified by flash chromatography (SiO2, 100-200 mesh; 25-30% EtOAc in n-hexane)

Conditions: temp:180.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: To a stirred solution of ethyl 2-methyl-4-vinylbenzoate (2.0 g, 10.5 mmol) in 1,2-dichlorobenzene (25 mL) were added 1-(1-bromo-2,2,2-trifluoroethyl)-3,5-dichlorobenzene (6.44 g, 21.0 mmol), copper(I) chloride (CuCl; 208 mg, 21 mmol) and 2,2bipyridyl (0.65 g, 4.1 mmol). The reaction mixture was degassed with argon for 30 min and then stirred at 180° C. for 24 h. After the reaction was deemed complete by TLC, the reaction mixture was cooled to 25° C. and filtered, and the filtrate was concentrated under reduced pressure. Purification by flash chromatography (SiO2, 100-200 mesh; eluting with 25-30% EtOAc in petroleum ether) afforded the title compound as a solid (1.7 g, 40%): 1H NMR (400 MHz, CDCl3) δ 7.91 (d, J=8.0 Hz, 1H), 7.37 (m, 1H), 7.27-7.24 (m, 4H), 6.59 (d, J=16.0 Hz, 1H), 6.59 (dd, J=16.0, 8.0 Hz, 1H), 4.38 (q, J=7.2 Hz, 2H), 4.08 (m, 1H), 2.62 (s, 3H), 1.42 (t, J=7.2 Hz, 3H); ESIMS m/z 415.06 ([M−H]−); IR (thin film) 1717, 1255, 1114 cm−1. The reaction mixture was degassed with argon for 30 min the reaction mixture was cooled to 25° C. filtered the filtrate was concentrated under reduced pressure Purification by flash chromatography (SiO2, 100-200 mesh; eluting with 25-30% EtOAc in petroleum ether)

Conditions: temp:25.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: To a stirred solution of 1-(3,5-dichlorophenyl)-2,2,2-trifluoroethanol (4.0 g, 16.3 mmol) in CH2Cl2 (50 mL), were added N-bromosuccinimide (NBS; 2.9 g, 16.3 mmol) and triphenyl phosphite (5.06 g, 16.3 mmol), and the resultant reaction mixture was heated at reflux for 18 h. After the reaction was deemed complete by TLC, the reaction mixture was cooled to 25° C. and was concentrated under reduced pressure. Purification by flash column chromatography (SiO2, 100-200 mesh; eluting with 100% pentane) afforded the title compound as a liquid (2.0 g, 40%): 1H NMR (400 MHz, CDCl3) δ 7.41 (s, 3H), 5.00 (m, 1H); EIMS m/z 306 ([M]+). the resultant reaction mixture was heated at reflux for 18 h was concentrated under reduced pressure Purification by flash column chromatography (SiO2, 100-200 mesh; eluting with 100% pentane)