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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1061659Generated: October 26, 2026

Acetic Anhydride → 4-Benzyl-2-phenyl-2-oxazolin-5-one

https://huagongshe.com/reaction/1061659

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetic AnhydrideHCID 7918—
ReactantN-Benzoyl-DL-phenylalanineHCID 273362—
Product4-Benzyl-2-phenyl-2-oxazolin-5-oneHCID 275665085.5%

Reaction Conditions

Temperature80 °C

Reaction Steps

A suspension of N-benzoyl-DL-phenylalanine (5.39 g) and acetic anhydride (12.3 g) is stirred at 80° C. for 40 minutes under a nitrogen atmosphere. The reaction mixture is concentrated under reduced pressure to give the titled reference compound (4.30 g).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06960575B2
Source datasetuspto-grants-2005_11
ORD IDord-92de09d394204087a6759572d4dc5add
Source noteuspto-grants-2005_11