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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2084018Generated: October 26, 2026

Ammonia → 6-Hydroxy-7-methoxy-4-[2-methyl-5-(2-morpholinopyridine-4-carboxamido)anilino]quinazoline

https://huagongshe.com/reaction/2084018

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAmmoniaHCID 222—
Reactant6-Acetoxy-7-methoxy-4-[2-methyl-5-(2-morpholinopyridine-4-carboxamido)anilino]quinazoline DihydrochlorideHCID 22732247—
Product6-Hydroxy-7-methoxy-4-[2-methyl-5-(2-morpholinopyridine-4-carboxamido)anilino]quinazolineHCID 2273228278.3%

Reaction Conditions

Temperature50 °C

Reaction Steps

A mixture of 6-acetoxy-7-methoxy-4-[2-methyl-5-(2-morpholinopyridine-4-carboxamido)anilino]quinazoline dihydrochloride (150 mg) and methanolic ammonia (2 ml) was stirred and heated to 50° C. for 48 hours. The mixture was allowed to cool to ambient temperature and the resultant solid was isolated and washed with diethyl ether (10 ml). There was thus obtained the title compound (95 mg, 78%); NMR: 2.12 (s, 3H), 3.51 (m, 4H), 3.7 (m, 4H), 3.97 (s, 3H), 7.09 (m, 1H), 7.12 (s, 1H), 7.23 (m, 2H), 7.57 (m, 1H), 7.69 (s, 1H), 7.72 (m, 1H), 8.23 (s, 1H), 8.26 (m, 1H), 9.17 (s, 1H), 10.28 (s, 1H); m/s: M+H+ 487.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06716847B2
Source datasetuspto-grants-2004_04
ORD IDord-c2e408f28bbf4a0886aea766c8e9aa89
Source noteuspto-grants-2004_04