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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1782137Generated: November 1, 2026

5-Amino-3-methyl-1,2-oxazole-4-carboxamide → HCID 54757117, compound

https://huagongshe.com/reaction/1782137

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-Amino-3-methyl-1,2-oxazole-4-carboxamideHCID 2763950—
SolventButyric anhydrideHCID 7798—
SolventHexaneHCID 8058—
ProductHCID 54757117HCID 54757117173.6%

Reaction Conditions

Temperature150 °C

Reaction Steps

A mixture of 5-amino-3-methyl-isoxazole-4-carboxylic acid amide (2 g, 14.18 mmol) in 10 ml of butyric anhydride was stirred at 150° C. for 0.5-1 h. The brown solution was diluted with hexane (100 ml) and cooled to room temperature. The solid crushed out from the mixture was filtered and washed with hexane, dried in vacuo. The title amide (2.6 g) was obtained as white solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07498333B2
Source datasetuspto-grants-2009_03
ORD IDord-63f611e8c256424799d887f9799d5c73
Source noteuspto-grants-2009_03