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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2222200Generated: October 30, 2026

Bromopyruvic Acid → 2-[[4-(Trifluoromethoxy)phenyl]amino]-4-thiazolecarboxylic acid

https://huagongshe.com/reaction/2222200

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBromopyruvic AcidHCID 70684—
ReactantN-[4-(Trifluoromethoxy)phenyl]thioureaHCID 2777352—
SolventEthanolHCID 702—
Product2-[[4-(Trifluoromethoxy)phenyl]amino]-4-thiazolecarboxylic acidHCID 33679301—

Reaction Conditions

Temperature60 °C

Reaction Steps

A mixture of 12.9 g (54.6 mmol) [4-(trifluoromethoxy)phenyl]-thiourea, and 9.3 g (55.7 mmol) bromopyruvic acid in 70 ml ethanol was heated to 60° C. for 1 h. The precipitate was filtered off and washed with small portions of cold ethanol to yield after drying 8.9 g (53%) of the title compound as crystalline solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07371751B2
Source datasetuspto-grants-2008_05
ORD IDord-3b31233088854821acded695b0937130
Source noteuspto-grants-2008_05