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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1375866Generated: November 1, 2026

Methanol → HCID 22667185, compound

https://huagongshe.com/reaction/1375866

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethanolHCID 887—
ReactantDipropylamineHCID 8902—
ReactantTriphosgeneHCID 94429—
Reactant2-Chloro-4-((6,7-dimethoxyquinazolin-4-yl)oxy)anilineHCID 21889899—
SolventChloroformHCID 6212—
SolventTriethylamineHCID 8471—
ProductHCID 22667185HCID 2266718535%

Reaction Steps

2-Chloro-4-[(6,7-dimethoxy-4-quinazolinyl)oxy]-aniline 100 mg) was dissolved in chloroform (3 ml) and triethylamine (0.3 ml), and a solution of triphosgene (90 mg) in chloroform was then added to the solution. The mixture was stirred at room temperature for 15 min. Next, dipropylamine (62 μl) was added to the reaction solution, and the mixture was stirred at room temperature for additional 30 min. Methanol was added to the reaction solution, and the mixture was purified by HPLC by development with chloroform/methanol. The solvent was removed by distillation, and the resultant crystal was washed with hexane to give 48 mg (yield 35%) of the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07169789B2
Source datasetuspto-grants-2007_01
ORD IDord-5f84a4dab262428aa6b29120d979e24f
Source noteuspto-grants-2007_01