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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1265618Generated: October 30, 2026

Acetamide → 3-(2-Methyl-5-propyl-oxazol-4-yl)-benzoic acid methyl ester

https://huagongshe.com/reaction/1265618

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetamideHCID 178—
ReactantRac-3-(2-bromo-pentanoyl)-benzoic acid methyl esterHCID 87951238—
Product3-(2-Methyl-5-propyl-oxazol-4-yl)-benzoic acid methyl esterHCID 6968757036.1%

Reaction Steps

A sample of rac-3-(2-bromo-pentanoyl)-benzoic acid methyl ester (1.50 g) and acetamide (0.89 g) were heated together to 130° C. for 15 h. The mixture was partitioned between AcOEt and brine, the organic layer was dried and evaporated and the residual oil was chromatographed on silica gel using AcOEt/hexane (1:3) as eluent to give 3-(2-methyl-5-propyl-oxazol-4-yl)-benzoic acid methyl ester (0.47 g) as a light-yellow oil.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06544985B2
Source datasetuspto-grants-2003_04
ORD IDord-4021154358aa4bf9944f0524e9181deb
Source noteuspto-grants-2003_04