Diisopropylethylamine → N1-((1R,2S)-3-(3,5-difluorophenyl)-1-hydroxy-1-((2R,4R)-4-propoxypyrrolidin-2-yl)propan-2-yl)-N3,N3-dipropylisophthalamide

Step 4 (A): N1-((1S,2S)-1-((2R,4R)-4-(allyloxy)-1-benzhydrylpyrrolidin-2-yl)-3-(3,5-difluorophenyl)-1-hydroxypropan-2-yl)-N3,N3-dipropylisophthalamide. To a solution of 3-(dipropylcarbamoyl)benzoic acid (31 mg, 0.12 mmol) in dichloromethane (3 mL) were added Hunig's base (43 mg, 0.33 mmol) and HATU (54 mg, 0.143 mmol). After stirring for 20 min, the reaction mixture was added (1S,2S)-1-((2R,4R)-4-(allyloxy)-1-benzhydrylpyrrolidin-2-yl)-2-amino-3-(3,5-difluorophenyl)propan-1-ol (Preparation (C), 54 mg, 0.11 mmol) and the reaction mixture was stirred at rt overnight. The crude mixture was purified by silica gel Flash Chromatography (0% to 20% to 40% to 50% EtOAc/Hexane step gradient) to give 70 mg of the title compound (89% yield): 1H NMR (CDCl3, 500 MHz) δ 0.74 (3H, brd s), 1.00 (3H, brd s), 1.53 (2H, brd s), 1.73 (2H, brd s), 2.02-2.09 (1H, m), 2.17 (1H, d, J=10 Hz), 2.26 (1H, dd, J=5, 10 Hz), 2.68 (1H, d, J=10 Hz), 2.84 (1H, dd, J=5, 15 Hz), 2.96 (1H, dd, J=5, 15 Hz), 3.09 (1H, d, J=10 Hz), 3.16 (2H, brd s), 3.25 (1H, d, J=10 Hz), 3.49 (2H, brd s), 3.91-3.93 (2H, m), 3.96-4.11 (3H, m), 4.50 (1H, s), 4.91 (1H, d, J=10 Hz), 5.22 (1H, dd, J=5, 10 Hz), 5.31 (1H, m), 5.90-5.98 (1H, m), 6.64-6.69 (3H, m), 6.91-6.97 (3H, m), 7.15-7.20 (3H, m), 7.22-7.25 (2H, m), 7.34 (2H, d, J=5 Hz), 7.47-7.57 (4H, m). MS (ESI) (M+H)+ 710.37.

1. stirringthe reaction mixture was stirred at rt overnight
2. customThe crude mixture was purified by silica gel Flash Chromatography (0% to 20% to 40% to 50% EtOAc/Hexane step gradient)

ORD 기록

ord-91d147b0b3cd45348f10ca34be92ec1f

출처 데이터셋

uspto-grants-2010_06

DOI

10.6084/m9.figshare.5104873.v1

특허 번호

US07745470B2