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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 433544Generated: October 25, 2026

L-Alanine ethyl ester → N-[(3,5difluorophenyl)acetyl]alanine Ethyl Ester

https://huagongshe.com/reaction/433544

Reaction equation

Participants

RoleNameHCIDCharge
ReactantL-Alanine ethyl esterHCID 76507—
Reactant3,5-Difluorophenylacetic acidHCID 145424—
ProductN-[(3,5difluorophenyl)acetyl]alanine Ethyl EsterHCID 54306296—

Reaction Steps

Following General Procedure BG and using 3,5-difluorophenylacetic acid (Aldrich) and alanine ethyl ester (Aldrich), the title compound was prepared as a solid with a melting point of 93°-95° C. The reaction was monitored by tlc on silica gel (Rf=0.8 in EtOAC) and purification was by chromatography on silica gel using EtOAc as the eluant followed by recrystallization from 1-chlorobutane.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06667305B1
Source datasetuspto-grants-2003_12
ORD IDord-7ff41ec8fea642aa9e1552d10baa1be8
Source noteuspto-grants-2003_12