4-Cyanobenzoic acid → rac-(2S,3S,4S)-2-(3-chloro-2-fluoro-phenyl)-3-(4-chloro-2-fluoro-phenyl)-1-(4-cyano-benzoyl)-4-(2,2-dimethyl-propyl)-pyrrolidine-3-carbonitrile

Participants

Role	Name	HCID	Charge
Reactant	4-Cyanobenzoic acid	HCID 12087	—
Reactant	Diisopropylethylamine	HCID 81531	—
Reactant	Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)	HCID 9886157	—
Reactant	rac-(2S,3S,4S)-2-(3-chloro-2-fluoro-phenyl)-3-(4-chloro-2-fluoro-phenyl)-4-(2,2-dimethyl-propyl)-pyrrolidine-3-carbonitrile	HCID 67095372	—
Solvent	Dichloromethane	HCID 6344	—
Product	rac-(2S,3S,4S)-2-(3-chloro-2-fluoro-phenyl)-3-(4-chloro-2-fluoro-phenyl)-1-(4-cyano-benzoyl)-4-(2,2-dimethyl-propyl)-pyrrolidine-3-carbonitrile	HCID 67095498	98.2%

Reaction Steps

In a manner similar to the method described in Example 11, rac-(2S,3S,4S)-2-(3-chloro-2-fluoro-phenyl)-3-(4-chloro-2-fluoro-phenyl)-4-(2,2-dimethyl-propyl)-pyrrolidine-3-carbonitrile (84.6 mg, 0.20 mmol) was reacted with 4-cyano-benzoic acid (Aldrich, 35.3 mg, 0.24 mmol), in the presence of HATU (72.0 mg, 0.20 mmol) and iPr2NEt (0.1 mL) in CH2Cl2 (2 mL) at rt for 2 hrs to give rac-(2S,3S,4S)-2-(3-chloro-2-fluoro-phenyl)-3-(4-chloro-2-fluoro-phenyl)-1-(4-cyano-benzoyl)-4-(2,2-dimethyl-propyl)-pyrrolidine-3-carbonitrile (108.5 mg, 98.2%). HRMS (ES+) m/z Calcd for C30H25Cl2F2N3O+H [(M+H)+]: 552.1417, found: 552.1416.

Provenance & Evidence

DOI	10.6084/m9.figshare.5104873.v1
Patent number	US08017607B2
Source dataset	uspto-grants-2011_09
ORD ID	ord-8a7c348b2c054c3d9dd05145dc6bb864
Source note	uspto-grants-2011_09