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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2205313Generated: October 29, 2026

4-Chloro-7-methoxy-6-nitroquinazoline → N4-(5-chlorobenzo[d][1,3]dioxol-4-yl)-7-methoxyquinazoline-4,6-diamine

https://huagongshe.com/reaction/2205313

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Chloro-7-methoxy-6-nitroquinazolineHCID 10490187—
Reactant5-Chloro-1,3-benzodioxol-4-amineHCID 11367253—
ReactantN4-(3-Chloro-4-fluorophenyl)-7-(2-methoxyethoxy)quinazoline-4,6-diamineHCID 18765584—
ProductN4-(5-chlorobenzo[d][1,3]dioxol-4-yl)-7-methoxyquinazoline-4,6-diamineHCID 86727278—

Reaction Steps

Starting material: N4-(5-chlorobenzo[d][1,3]dioxol-4-yl)-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 material were 4-chloro-7-methoxy-6-nitroquinazoline and 5-chlorobenzo[d][1,3]dioxolan-4-amine; 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-413ecd210be642cbbd61475a66a7d6ee
Source noteuspto-grants-2016_06