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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 557683Generated: October 30, 2026

Acetic Acid → 5-(4-Bromophenyl)-1,2-oxazole-4-carboxylic acid

https://huagongshe.com/reaction/557683

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetic AcidHCID 176—
ReactantWaterHCID 962—
ReactantEthyl 5-(4-bromophenyl)isoxazole-4-carboxylateHCID 22220993—
SolventHydrochloric AcidHCID 313—
Product5-(4-Bromophenyl)-1,2-oxazole-4-carboxylic acidHCID 22831701—

Reaction Steps

5-(4-Bromo-phenyl)-isoxazole-4-carboxylic acid ethyl ester (0.500 g, 1.69 mmol) was dissolved in concentrated hydrochloric acid (2 mL), acetic acid (5 mL), and H2O (5 mL), and the reaction was stirred at 100° C. overnight. The mixture was partitioned between EtOAc and H2O, and the organic layer was separated, dried over MgSO4, filtered, and concentrated to give the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08058300B2
Source datasetuspto-grants-2011_11
ORD IDord-da65d1cc81da4a7f82813c2c6b8f288f
Source noteuspto-grants-2011_11