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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1806735Generated: October 25, 2026

N-(2-aminoethyl)acetamide → 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-acetylamino-ethyl)-amide

https://huagongshe.com/reaction/1806735

Reaction equation

Participants

RoleNameHCIDCharge
ReactantN-(2-aminoethyl)acetamideHCID 66082—
ReactantDiisopropylethylamineHCID 81531—
ReactantMethanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 9886157—
Reactantrac-(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 acidHCID 86640312—
SolventDichloromethaneHCID 6344—
ProductRac-(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-acetylamino-ethyl)-amideHCID 7509600383.3%

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 (0.3 g, 0.54 mmol) was reacted with N-acetylethylenediamine (Aldrich) (0.15 g, 1.5 mmol), HATU (0.3 g, 0.75 mmol) and iPr2NEt (0.6 g, 4.8 mmol) in CH2Cl2 (20 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-acetylamino-ethyl)-amide as a white solid (0.24 g, 83%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08354444B2
Source datasetuspto-grants-2013_01
ORD IDord-e0bdba391d9c41eba832452bc2d34669
Source noteuspto-grants-2013_01