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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1882397Generated: October 31, 2026

4-Fluorobenzyl bromide → 1-(5-Acetyl-4-methylthiazol-2-yl)-3-(4-fluorobenzyl)imidazolidin-2-one

https://huagongshe.com/reaction/1882397

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Fluorobenzyl bromideHCID 68021—
Reactant1-(5-Acetyl-4-methylthiazol-2-yl)imidazolidin-2-oneHCID 57919738—
Reactantethyl 4-methyl-2-(5-oxo-1H-1,2,4-triazol-4(5H)-yl)thiazole-5-carboxylateHCID 57920013—
Product1-(5-Acetyl-4-methylthiazol-2-yl)-3-(4-fluorobenzyl)imidazolidin-2-oneHCID 5791976598%

Reaction Steps

Following the procedure as described in Preparation 16, making variations as required to replace ethyl 4-methyl-2-(5-oxo-1H-1,2,4-triazol-4(5H)-yl)thiazole-5-carboxylate with 1-(5-acetyl-4-methylthiazol-2-yl)imidazolidin-2-one to react with 4-fluorobenzyl bromide, the title compound was obtained as a yellow solid in 98% yield: 1H NMR (300 MHz, CDCl3) δ 7.32-7.22 (m, 2H), 7.07-6.97 (m, 2H), 4.45 (s, 2H), 4.10-4.04 (m, 2H), 3.48-3.37 (m, 2H), 2.67 (s, 3H), 2.38 (s, 3H); MS (ES+) m/z 334.1 (M+1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08318949B2
Source datasetuspto-grants-2012_11
ORD IDord-556be5cf95aa4a70b0a50a4ceb65c126
Source noteuspto-grants-2012_11