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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 480881Generated: October 27, 2026

4-Phenylbutyric Acid → N-(4phenylbutanoyl)-L-alanine iso-butyl ester

https://huagongshe.com/reaction/480881

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Phenylbutyric AcidHCID 4775—
Reactant2-Methylpropyl (2S)-2-aminopropanoate hydrochlorideHCID 86584981—
ProductN-(4phenylbutanoyl)-L-alanine iso-butyl esterHCID 15481769—

Reaction Steps

Following General Procedure BB and using 4-phenylbutanoic acid (Aldrich) and L-alanine iso-butyl ester hydrochloride (from Example BB above), the title compound was prepared as an oil. The reaction was monitored by tlc on silica gel and purification was by extraction with Et2O followed by washes with aqueous K2CO3 and aqueous HCl.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06653303B1
Source datasetuspto-grants-2003_11
ORD IDord-309f5a3e1791439ea808d89beb5cc066
Source noteuspto-grants-2003_11