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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 703506Generated: October 25, 2026

Ethyl 5-methylisoxazole-4-carboxylate → 5-Methylisoxazole-4-carboxylic acid

https://huagongshe.com/reaction/703506

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl 5-methylisoxazole-4-carboxylateHCID 7009317—
SolventHydrochloric AcidHCID 313—
Product5-Methylisoxazole-4-carboxylic acidHCID 142524078.9%

Reaction Steps

Ethyl 5-methylisoxazol-4-yl carboxylate (65 g) was heated under reflux in 10 M HCl (500 ml) for 3 hours. On cooling the product crystallised out. This was filtered and dried giving 42 g of a white crystalline solid, m.p. 134°-136° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04983619
Source datasetuspto-grants-1991_01
ORD IDord-9e61e1831a2a4d26804232aeaf16e09d
Source noteuspto-grants-1991_01