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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1753977Generated: October 28, 2026

Ammonia → 3-Bromo-4,5-dihydro-1,2-oxazole-5-carboxamide

https://huagongshe.com/reaction/1753977

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAmmoniaHCID 222—
ReactantEthyl 3-bromo-4,5-dihydro-1,2-oxazole-5-carboxylateHCID 66696825—
SolventMethanolHCID 887—
Product3-Bromo-4,5-dihydro-1,2-oxazole-5-carboxamideHCID 44118308—

Reaction Steps

A mixture of ethyl 3-bromo-4,5-dihydroisoxazole-5-carboxylate (6.2 g, 28 mmol) and a solution of 2 M ammonia in MeOH (56 mL) was stirred at room temperature for 1 to 2 hours. Volatile materials were removed in vacuo to give the crude title compound as a white solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09168248B2
Source datasetuspto-grants-2015_10
ORD IDord-d011d876bc284934b51899a00d1ca052
Source noteuspto-grants-2015_10