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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1590876Generated: October 25, 2026

Sodium Hydroxide → 5-phenyl-1,3-thiazole-4-carboxylic Acid

https://huagongshe.com/reaction/1590876

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium HydroxideHCID 14798—
ReactantEthyl 5-phenylthiazole-4-carboxylateHCID 12300673—
Product5-phenyl-1,3-thiazole-4-carboxylic AcidHCID 94481372%

Reaction Steps

The ethyl 5-phenylthiazole-4-carboxylate was hydrolyzed according to known methods with 2 N aqueous sodium hydroxide solution at 70° for 30 minutes, whereby, after acidification, there was obtained in 72% yield 5-phenyl-4-thiazolecarboxylic acid which melted at 189°-190° after recrystallization from methanol/diethyl ether.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05204482
Source datasetuspto-grants-1993_04
ORD IDord-0f8c614fb04a4b2289cbb407146430c3
Source noteuspto-grants-1993_04