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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1188138Generated: November 3, 2026

Diisopropylethylamine → 2-bromo-N-(5-(4-p-tolylthiazol-2-ylcarbamoyl)thiazol-2-yl)thiazole-5-carboxamide

https://huagongshe.com/reaction/1188138

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiisopropylethylamineHCID 81531—
Reactant2-Chloro-1-methylpyridinium iodideHCID 167069—
Reactant2-Bromothiazole-5-carboxylic acidHCID 2763210—
Reactant2-amino-N-(4-p-tolylthiazol-2-yl)thiazole-5-carboxamideHCID 59408759—
SolventDimethylformamideHCID 6228—
Product2-bromo-N-(5-(4-p-tolylthiazol-2-ylcarbamoyl)thiazol-2-yl)thiazole-5-carboxamideHCID 5940875331.3%

Reaction Steps

2-Chloro-1-methylpyridinium iodide (0.048 g, 0.18 mmol), DIEA (0.045 mL, 0.25 mmol) and 2-amino-N-(4-p-tolylthiazol-2-yl)thiazole-5-carboxamide (0.04 g, 0.126 mmol) were added to a solution of 2-bromothiazole-5-carboxylic acid (26 mg, 0.126 mmol) in DMF (1 mL). The resulting solution was stirred at RT until completion of the reaction. Then a solid was precipitated with AcOEt and the solid was separated by centrifugation, yielding 2-bromo-N-(5-(4-p-tolylthiazol-2-ylcarbamoyl)thiazol-2-yl)thiazole-5-carboxamide (20 mg, 30%) as a solid that was used in the following step without further purification.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08673940B2
Source datasetuspto-grants-2014_03
ORD IDord-98daef767ac74eba93d1fce4f0bf4489
Source noteuspto-grants-2014_03