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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2067613Generated: October 29, 2026

(Pyrazin-2-yl)methanamine → 2-(3-(4-fluorobenzyl)-2-oxoimidazolidin-1-yl)-4-methyl-N-(pyrazin-2-ylmethyl)thiazole-5-carboxamide

https://huagongshe.com/reaction/2067613

Reaction equation

Participants

RoleNameHCIDCharge
Reactant(Pyrazin-2-yl)methanamineHCID 266781—
Reactant2-(3-(4-Fluorobenzyl)-2-oxoimidazolidin-1-yl)-4-methylthiazole-5-carboxylic acidHCID 57919799—
Reactant2-(3-((5-Chlorobenzo[b]thiophen-3-yl)methyl)-2-oxoimidazolidin-1-yl)-4-methylthiazole-5-carboxylic acidHCID 58031505—
Product2-(3-(4-fluorobenzyl)-2-oxoimidazolidin-1-yl)-4-methyl-N-(pyrazin-2-ylmethyl)thiazole-5-carboxamideHCID 5948127142%

Reaction Steps

Following the procedure as described in Example 32, making variations as required to replace 2-(3-((5-chlorobenzo[b]thiophen-3-yl)methyl)-2-oxoimidazolidin-1-yl)-4-methylthiazole-5-carboxylic acid with 2-(3-(4-fluorobenzyl)-2-oxoimidazolidin-1-yl)-4-methylthiazole-5-carboxylic acid to react with pyrazin-2-ylmethanamine, the title compound was obtained as a colorless solid in 42% yield: mp 185-187° C.; 1H NMR (300 MHz, CDCl3) δ 8.65 (s, 1H), 8.53-8.51 (m, 2H), 7.30-7.25 (m, 2H), 7.07-7.01 (m, 2H), 6.83 (br s, 1H), 4.76 (d, J=6.0 Hz, 2H), 4.46 (s, 2H), 4.09 (t, J=9.0 Hz, 2H), 3.46 (t, J=9.0 Hz, 2H), 2.63 (s, 3H); MS (ES+) m/z 427.2 (M+1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08293768B2
Source datasetuspto-grants-2012_10
ORD IDord-d79a67e9ef2943f98405a112f885419d
Source noteuspto-grants-2012_10