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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 399460Generated: October 25, 2026

4-Chloro-6,7-dimethoxyquinazoline hydrochloride → 4-(3-Chloro-4-phenylthioanilino)-6,7-dimethoxyquinazoline hydrochloride salt

https://huagongshe.com/reaction/399460

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Chloro-6,7-dimethoxyquinazoline hydrochlorideHCID 22022161—
Reactant3-Chloro-4-(phenylsulfanyl)anilineHCID 23438083—
Product4-(3-Chloro-4-phenylthioanilino)-6,7-dimethoxyquinazoline hydrochloride saltHCID 1896758071%

Reaction Steps

Using an analogous procedure to that described in Example 1 except that the reaction mixture was heated to reflux for 16 hours, 4-amino-2-chlorophenyl phenyl sulphide was reacted with 4-chloro-6,7-dimethoxyquinazoline hydrochloride to give 4-(3-chloro-4-phenylthioanilino)-6,7-dimethoxyquinazoline hydrochloride salt in 71% yield, m.p. 245°-247° C.;

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05821246
Source datasetuspto-grants-1998_10
ORD IDord-a4623f041c024e92b04b6745d0f11b39
Source noteuspto-grants-1998_10