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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 329779Generated: October 25, 2026

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

https://huagongshe.com/reaction/329779

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 10M 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 numberUS04892963
Source datasetuspto-grants-1990_01
ORD IDord-a9c8b6f7578545e8abd28af815a73ad5
Source noteuspto-grants-1990_01