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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 23016Generated: October 26, 2026

3,5-Difluorophenylacetic acid → (s)-2-[1-(3,5-Difluorophenylacetamido)ethyl]-5(r,s)-ethoxycarbonyl-2-oxazoline

https://huagongshe.com/reaction/23016

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3,5-Difluorophenylacetic acidHCID 145424—
Reactant(s)-2-(1-Aminoethyl)-5(r,s)-ethoxycarbonyl-2-oxazolineHCID 131723742—
SolventChloroform methanolHCID 21584188—
Product(s)-2-[1-(3,5-Difluorophenylacetamido)ethyl]-5(r,s)-ethoxycarbonyl-2-oxazolineHCID 131723741—

Reaction Steps

Following General Procedure A and using 3,5-difluorophenylacetic acid (Aldrich) and (S)-2-(1-aminoethyl)-5(R,S)-ethoxycarbonyl-2-oxazoline (Example F), the title compound was prepared as a semisolid. The reaction was monitored by tlc (Rf=0.3 in 5% MeOH/CHCl3) and the product was purified by silica gel chromatography using 5% MeOH/CHCl3 as the eluent.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06849650B2
Source datasetuspto-grants-2005_02
ORD IDord-c299ca4730364ed6b87f71d07b1e409a
Source noteuspto-grants-2005_02