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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1621364Generated: October 31, 2026

Methanol → 6-Chloro-5-fluoro-2-methylpyrimidin-4-amine

https://huagongshe.com/reaction/1621364

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethanolHCID 887—
ReactantAmmonium HydroxideHCID 14923—
Reactant4,6-Dichloro-5-fluoro-2-methylpyrimidineHCID 13731033—
SolventWaterHCID 962—
Product6-Chloro-5-fluoro-2-methylpyrimidin-4-amineHCID 5528362467%

Reaction Conditions

Temperature70 °C

Reaction Steps

A mixture of 4,6-dichloro-5-fluoro-2-methylpyrimidine (1.55 g, 8.6 mmol) in aqueous ammonium hydroxide (10.00 mL, 90 mmol) and MeOH (1.00 mL, 25 mmol) was heated at 70° C. for 2 h (sealed tube). After cooling, 10 mL water was added and stirred for 30 min. The solid was isolated, washed with water, and dried to give the desired product 6-chloro-5-fluoro-2-methylpyrimidin-4-amine (0.9244 g, 67%) as a white solid. MS (API-ES) m/z 163 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08772480B2
Source datasetuspto-grants-2014_07
ORD IDord-5ed149a1a7f747959fc6ec1f49f1390e
Source noteuspto-grants-2014_07