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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1384928Generated: October 31, 2026

2-(1-Piperazinyl)-4-amino-6,7-dimethoxyquinazoline → HCID 20389826, compound

https://huagongshe.com/reaction/1384928

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-(1-Piperazinyl)-4-amino-6,7-dimethoxyquinazolineHCID 616267—
Reactant1,2,3-thiadiazole-4-carbonyl chlorideHCID 6485430—
ProductHCID 20389826HCID 20389826—

Reaction Steps

The title compound was prepared by reacting 1,2,3-thiadiazole-4-carbonyl chloride (D. L. Pain and R. Slack, J. Chem. Soc., 5166 (1965)) and 4-amino-6,7-dimethoxy-2-(1-piperazinyl)quinazoline according to the procedure of Example 1. After crystallization from aqueous ethanol, the title compound melted at 270° C. (dec.).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06262059B1
Source datasetuspto-grants-2001_07
ORD IDord-229bab4749704e37a1dcc380d6c0e261
Source noteuspto-grants-2001_07