[Cl:1][C:2]1[C:3]([F:31])=[C:4]([CH:8]2[C:12]([C:15]3[CH:20]=[CH:19][C:18]([Cl:21])=[CH:17][C:16]=3[F:22])([C:13]#[N:14])[CH:11]([CH2:23][C:24]([CH3:27])([CH3:26])[CH3:25])[NH:10][CH:9]2[C:28]([OH:30])=O)[CH:5]=[CH:6][CH:7]=1.[NH2:32][C:33]1[CH:37]=[CH:36][N:35]([CH2:38][C:39]([CH3:49])([CH3:48])[O:40][CH2:41][C@@H:42]([OH:47])[CH2:43][N:44]([CH3:46])[CH3:45])[N:34]=1.CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.CCN(C(C)C)C(C)C>C(Cl)Cl>[CH3:46][N:44]([CH3:45])[CH2:43][C@H:42]([OH:47])[CH2:41][O:40][C:39]([CH3:48])([CH3:49])[CH2:38][N:35]1[CH:36]=[CH:37][C:33]([NH:32][C:28]([CH:9]2[CH:8]([C:4]3[CH:5]=[CH:6][CH:7]=[C:2]([Cl:1])[C:3]=3[F:31])[C:12]([C:15]3[CH:20]=[CH:19][C:18]([Cl:21])=[CH:17][C:16]=3[F:22])([C:13]#[N:14])[CH:11]([CH2:23][C:24]([CH3:26])([CH3:25])[CH3:27])[NH:10]2)=[O:30])=[N:34]1A mixture of rac-(2R,3S,4R,5S)-3-(3-chloro-2-fluoro-phenyl)-4-(4-chloro-2-fluoro-phenyl)-4-cyano-5-(2,2-dimethyl-propyl)-pyrrolidine-2-carboxylic acid (86.2 mg, 0.20 mmol), (S)-1-[2-(3-amino-pyrazol-1-yl)-1,1-dimethyl-ethoxy]-3-dimethylamino-propan-2-ol (370 mg, 1.44 mmol), 2-(7-azabenzotriazol-1-yl)-n,n,n′,n′-tetramethyluronium hexafluorophosphate (HATU, 950 mg, 2.5 mmol) and iPr2NEt (1.4 mL, 8 mmol) in CH2Cl2 (50 mL) was stirred at rt overnight. The mixture was then diluted with CH2Cl2 and washed with water, brine. The organic phase was separated, dried over Na2SO4 and filtered. The mixture was then concentrated and purified by reverse phase chromatography (15-95% of ACN/water) to give rac-(2R,3S,4R,5S)-3-(3-chloro-2-fluoro-phenyl)-4-(4-chloro-2-fluoro-phenyl)-4-cyano-5-(2,2-dimethyl-propyl)-pyrrolidine-2-carboxylic acid {1-[2-((5)-3-dimethylamino-2-hydroxy-propoxy)-2-methyl-propyl]-1H-pyrazol-3-yl}-amide (255 mg, 18%) as an off-white powder. The racemate mixture was submitted for SFC purification to of chiral (2R,3S,4R,5S)-3-(3-chloro-2-fluoro-phenyl)-4-(4-chloro-2-fluoro-phenyl)-4-cyano-5-(2,2-dimethyl-propyl)-pyrrolidine-2-carboxylic acid {1-[2-((S)-3-dimethylamino-2-hydroxy-propoxy)-2-methyl-propyl]-1H-pyrazol-3-yl}-amide (85.1 mg, 6.1%) as an white powder. HRMS (ES+) m/z Calcd for C35H44Cl2F2N6O3+H [(M+H)+]: 705.2893. found: 705.2891. and chiral (2S,3R,4S,5R)-3-(3-chloro-2-fluoro-phenyl)-4-(4-chloro-2-fluoro-phenyl)-4-cyano-5-(2,2-dimethyl-propyl)-pyrrolidine-2-carboxylic acid {1-[2-((S)-3-dimethylamino-2-hydroxy-propoxy)-2-methyl-propyl]-1H-pyrazol-3-yl}-amide (23.1 mg, 20.8%) as an off-white powder. HRMS (ES+) m/z Calcd for C35H44Cl2F2N6O3+H [(M+H)+]: 705.2893. found: 705.2889.
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