Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1384948Generated: October 27, 2026

2-(1-Piperazinyl)-4-amino-6,7-dimethoxyquinazoline → 4-Amino-6,7-dimethyoxy-2-[4-(2-methylthiazole-5-carbonyl)-piperazin-1-yl]quinazoline Hydrochloride

https://huagongshe.com/reaction/1384948

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-(1-Piperazinyl)-4-amino-6,7-dimethoxyquinazolineHCID 616267—
Reactant2-Methyl-1,3-thiazole-5-carbonyl chlorideHCID 14716205—
Product4-Amino-6,7-dimethyoxy-2-[4-(2-methylthiazole-5-carbonyl)-piperazin-1-yl]quinazoline HydrochlorideHCID 21183981—

Reaction Steps

The title compound was prepared from 2-methylthiazole-5-carbonyl chloride (0.42 g.) and 4-amino-6,7-dimethyoxy-2-(1-piperazinyl)-quinazoline (0.75 g.) following previously described procedures. The product had a m.p. of 294°-297° C. with decomposition.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06262059B1
Source datasetuspto-grants-2001_07
ORD IDord-b287a821fcb9411093e4a89d253c075c
Source noteuspto-grants-2001_07