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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 426721Generated: October 28, 2026

2-(1-Piperazinyl)-4-amino-6,7-dimethoxyquinazoline → HCID 21183901, compound

https://huagongshe.com/reaction/426721

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-(1-Piperazinyl)-4-amino-6,7-dimethoxyquinazolineHCID 616267—
Reactant1,2,3-Thiadiazole-5-carbonyl chlorideHCID 22714410—
ProductHCID 21183901HCID 21183901—

Reaction Steps

Reaction of 1,2,3-thiadiazole-5-carbonyl chloride and 4-amino-6,7-dimethoxy-2-(1-piperzinyl)quinazoline according to the procedure of Example 1 provided the title compound having a melting point of 295°-297° C. after crystallization from aqueous ethanol.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04171363
Source datasetuspto-grants-1979_10
ORD IDord-92aed7c81538473d9853220bb57ab8a7
Source noteuspto-grants-1979_10