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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2395684Generated: October 26, 2026

Potassium Carbonate → 1-(2-Bromo-5-thiazolylmethyl)-3-methyl-2-nitroguanidine

https://huagongshe.com/reaction/2395684

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium CarbonateHCID 11430—
Reactant(2-Bromothiazol-5-yl)methanamineHCID 15171120—
Reactant1,2-Dimethyl-3-nitroisothioureaHCID 136227017—
SolventAcetonitrileHCID 6342—
Product1-(2-Bromo-5-thiazolylmethyl)-3-methyl-2-nitroguanidineHCID 136341182—

Reaction Conditions

Temperature60 °C

Reaction Steps

A mixture of 0.39 g of 5-(aminomethyl)-2-bromothiazole, 0.30 g of 1,2-dimethyl-3-nitroisothiourea, 0.58 g of cuprous bromide, 0.55 g of anhydrous potassium carbonate and 4 ml of dry acetonitrile was stirred in an oil bath of 60° C. for 45 minutes. The reaction mixture was purified by a column chromatography [developing solvent: dichloromethane-methanol (10:1)] to obtain 1-(2-bromo-5-thiazolylmethyl)-3-methyl-2-nitro-guanidine (Compound No. 39), as white solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05489603
Source datasetuspto-grants-1996_02
ORD IDord-95d3d02c37614a4790292bd51bad883d
Source noteuspto-grants-1996_02