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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2381809Generated: October 31, 2026

Acetic Acid → 2-(1-benzyl-1H-1,2,3-triazol-4-yl)-4-methylthiazole-5-carboxylic acid

https://huagongshe.com/reaction/2381809

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetic AcidHCID 176—
ReactantLithium HydroxideHCID 3939—
Reactantethyl 2-(1-benzyl-1H-1,2,3-triazol-4-yl)-4-methylthiazole-5-carboxylateHCID 59179723—
SolventWaterHCID 962—
SolventTetrahydrofuranHCID 8028—
Product2-(1-benzyl-1H-1,2,3-triazol-4-yl)-4-methylthiazole-5-carboxylic acidHCID 5917966495.1%

Reaction Steps

To a solution of ethyl 2-(1-benzyl-1H-1,2,3-triazol-4-yl)-4-methylthiazole-5-carboxylate (0.23 g, 0.70 mmol) in a mixture of tetrahydrofuran (4 mL) and water (1 mL) was added lithium hydroxide (0.15 g, 3.51 mmol). The reaction mixture was stirred at ambient temperature for 18 hours and acidified to pH=6 with acetic acid. The white solid precipitated was collected by filtration, washed with water and dried in air to afford the title compound as a white solid (0.20 g, 95%): MS (ES+) m/z 301.2 (M+1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08258160B2
Source datasetuspto-grants-2012_09
ORD IDord-effb21859df2483faaf41f1d96e6829a
Source noteuspto-grants-2012_09