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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1292861Generated: October 26, 2026

Ammonia → 2-Chloro-6-(2,4-difluoro-phenoxy)-quinazolin-4-ylamine

https://huagongshe.com/reaction/1292861

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAmmoniaHCID 222—
Reactant2,4-Dichloro-6-(2,4-difluoro-phenoxy)-quinazolineHCID 58820195—
Product2-Chloro-6-(2,4-difluoro-phenoxy)-quinazolin-4-ylamineHCID 58905130—

Reaction Steps

Compound (1F) (21 g, 0.06 mol) was suspended in ammonia (100 mL of 2.0 M solution in MeOH) and the solution formed after 30 min was stirred at room temperature for 18 h. The precipitate was filtered, the concentrated filtrate triturated with EtOAc, and the organic layers were combined to yield 21.5 g of 2-chloro-6-(2,4-difluorophenoxy)-quinazolin-4-ylamine (1G).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07238698B2
Source datasetuspto-grants-2007_07
ORD IDord-9a55840aab77422bbbf1d8a693a522b8
Source noteuspto-grants-2007_07