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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1414222Generated: November 3, 2026

2-(1-Piperazinyl)-4-amino-6,7-dimethoxyquinazoline → HCID 21183952, compound

https://huagongshe.com/reaction/1414222

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-(1-Piperazinyl)-4-amino-6,7-dimethoxyquinazolineHCID 616267—
Reactant1,2-Oxazole-4-carbonyl chlorideHCID 12905114—
Solvent1,4-DioxaneHCID 31275—
ProductHCID 21183952HCID 21183952—

Reaction Steps

A solution of isoxazole-4-carbonyl chloride (1.06 g., 8.08 mmole) in dioxane (8 ml.) was added to a solution of 4-amino-6,7-dimethoxy-2-(1-piperazinyl)quinazoline (2.34 g., 8.08 mmole) in dioxane (200 ml.). The mixture was stirred at room temperature for 20 hours. Filtration gave the title compound, which, after recrystallization from methanol, had a m.p. of 225°-260° C. with decomposition.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04001237
Source datasetuspto-grants-1977_01
ORD IDord-d64102bc432f4f29aaaf950e4407721f
Source noteuspto-grants-1977_01