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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1597940Generated: October 30, 2026

4-Chloro-6,7-dimethoxyquinazoline → 4-(6-Bromo-5-fluoro-2,3-dihydro-indol-1-yl)-6,7-dimethoxy-quinazoline hydrochloride salt

https://huagongshe.com/reaction/1597940

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Chloro-6,7-dimethoxyquinazolineHCID 2769364—
Reactant6-Bromo-5-fluoroindolineHCID 21948368—
SolventIsopropanolHCID 3776—
Product4-(6-Bromo-5-fluoro-2,3-dihydro-indol-1-yl)-6,7-dimethoxy-quinazoline hydrochloride saltHCID 1893272168%

Reaction Steps

Utilizing a procedure analogous to that described in Example 1, this product was prepared in 68% yield from 5-fluoro-6-bromo-indoline (1.1 eq.) and 4-chloro-6,7-dimethoxy-quinazoline (1.0 eq) in i-PrOH. (M.P. 258° C. (dec); LC-MS: 404, 406 (MH+); anal. RP18-HPLC RT: 5.06 min.).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05736534
Source datasetuspto-grants-1998_04
ORD IDord-77c7e797a61741cebd7edb8bb7bc7e46
Source noteuspto-grants-1998_04