Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2205316Generated: November 1, 2026

3-Chloro-2,4-difluoroaniline → N4-(3-chloro-2,4-difluorophenyl)-7-methoxyquinazoline-4,6-diamine

https://huagongshe.com/reaction/2205316

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-Chloro-2,4-difluoroanilineHCID 223089—
Reactant4-Chloro-7-methoxy-6-nitroquinazolineHCID 10490187—
ReactantN4-(3-Chloro-4-fluorophenyl)-7-(2-methoxyethoxy)quinazoline-4,6-diamineHCID 18765584—
ProductN4-(3-chloro-2,4-difluorophenyl)-7-methoxyquinazoline-4,6-diamineHCID 66609294—

Reaction Steps

Starting material: N4-(3-chloro-2,4-difluorophenyl)-7-methoxyquinazoline-4,6-diamine was prepared according to the same method of preparation of N4-(3-chloro-4-fluorophenyl)-7-(2-methoxy)ethoxyquinazoline-4,6-diamine in WO2008/33747, but the starting materials were 4-chloro-7-methoxy-6-nitro-quinazoline and 3-chloro-2,4-difluoro-aniline; other starting materials were prepared as example 1.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09371292B2
Source datasetuspto-grants-2016_06
ORD IDord-534f3b46297a44e99610cad3214a6731
Source noteuspto-grants-2016_06