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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 553663Generated: October 26, 2026

Lithium Hydroxide → 5-(4-Bromophenyl)-3-methyl-1,2-oxazole-4-carboxylic acid

https://huagongshe.com/reaction/553663

Reaction equation

Participants

RoleNameHCIDCharge
ReactantLithium HydroxideHCID 3939—
ReactantMethyl 5-(4-bromophenyl)-3-methylisoxazole-4-carboxylateHCID 56604575—
SolventMethanolHCID 887—
SolventWaterHCID 962—
Product5-(4-Bromophenyl)-3-methyl-1,2-oxazole-4-carboxylic acidHCID 56604559—

Reaction Conditions

Temperature60 °C

Reaction Steps

Lithium hydroxide (2 g, 48 mmol) was added to a solution of 5-(4-bromo-phenyl)-3-methyl-isoxazole-4-carboxylic acid methyl ester (39 mmol) in methanol (50 mL) and water (10 mL), and the reaction was stirred at 60° C. for 1 hour. Acidic work-up gave the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08048902B2
Source datasetuspto-grants-2011_11
ORD IDord-62ee334cd205489f819751d1f9042218
Source noteuspto-grants-2011_11