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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 40502Generated: October 29, 2026

Hydrochloric Acid → 2-Acetamido-4-phenyl-1,3-thiazole-5-carboxylic acid

https://huagongshe.com/reaction/40502

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantLithium HydroxideHCID 3939—
ReactantSodium HydroxideHCID 14798—
ReactantEthyl 2-acetamido-4-phenylthiazole-5-carboxylateHCID 3941062—
SolventWaterHCID 962—
Product2-Acetamido-4-phenyl-1,3-thiazole-5-carboxylic acidHCID 82226535—

Reaction Steps

To 2.2 g (7.62 mmol) 2-acetylamino-4-phenyl-thiazole-5-carboxylic acid ethyl ester in 10 mL water is added 5 mL 4N NaOH and the mixture is allowed to stand at rt for 12 h. 1 g LiOH is added and the mixture is allowed to stand at rt for 2 h. The mixture is neutralized with aq. 2 N HCl solution and the precipitate is collected and washed with water and ACN to yield the desired product.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08530461B2
Source datasetuspto-grants-2013_09
ORD IDord-496a958ae2bf4b89a73f788ab13f82d9
Source noteuspto-grants-2013_09