2-Amino-2-methyl-1-propanol → Rac-(2r,3s,4r,5s)-3-(3-chloro-2-fluoro-phenyl)-4-(4-chloro-phenyl)-4-cyano-5-(2,2-dimethyl-propyl)-pyrrolidine-2-carboxylic acid(2-hydroxy-1,1-dimethyl-ethyl)-amide

Participants

Role	Name	HCID	Charge
Reactant	2-Amino-2-methyl-1-propanol	HCID 11807	—
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-(2R,3S,4R,5S)-3-(3-chloro-2-fluoro-phenyl)-4-(4-chloro-phenyl)-4-cyano-5-(2,2-dimethyl-propyl)-pyrrolidine-2-carboxylic acid trifluoroacetic acid	HCID 86640312	—
Solvent	Dichloromethane	HCID 6344	—
Product	Rac-(2r,3s,4r,5s)-3-(3-chloro-2-fluoro-phenyl)-4-(4-chloro-phenyl)-4-cyano-5-(2,2-dimethyl-propyl)-pyrrolidine-2-carboxylic acid(2-hydroxy-1,1-dimethyl-ethyl)-amide	HCID 75095920	91%

Reaction Steps

In a manner similar to the method described in Example 1e, rac-(2R,3S,4R,5S)-3-(3-chloro-2-fluoro-phenyl)-4-(4-chloro-phenyl)-4-cyano-5-(2,2-dimethyl-propyl)-pyrrolidine-2-carboxylic acid trifluoroacetic acid prepared in Example 26c (0.2 g, 0.36 mmol) was reacted with 2-amino-2-methyl-1-propanol (Fluka) (0.2 g, 2.2 mmol), HATU (0.3 g, 0.78 mmol) and iPr2NEt (0.5 g, 3.8 mmol) in CH2Cl2 (10 mL) at room temperature for 24 h to give rac-(2R,3S,4R,5S)-3-(3-chloro-2-fluoro-phenyl)-4-(4-chloro-phenyl)-4-cyano-5-(2,2-dimethyl-propyl)-pyrrolidine-2-carboxylic acid (2-hydroxy-1,1-dimethyl-ethyl)-amide as a white solid (0.17 g, 91%).

Provenance & Evidence

DOI	10.6084/m9.figshare.5104873.v1
Patent number	US08354444B2
Source dataset	uspto-grants-2013_01
ORD ID	ord-94faa9b772f64753bcb05b7d24e1c454
Source note	uspto-grants-2013_01