Phosphorus oxychloride → HCID 118035129, compound

Participants

Reaction Conditions

Reaction Steps

A mixture of 400 mg of 2-(2-ethylsulfanylphenyl)-7-trifluoromethyl-3H-pyrido[3,2-d]pyrimidin-4-one, 0.16 ml of phosphorus oxychloride, 221 mg of N,N-diisopropylethylamine and 6 ml of toluene was stirred at 100° C. for 30 minutes. The reaction mixture was cooled, and the precipitated solid was filtered. The resulting solid was sequentially washed with a saturated aqueous sodium bicarbonate solution, water and toluene, and then dried to obtain 320 mg of 4-chloro-2-(2-ethylsulfanylphenyl)-7-trifluoromethylpyrido[3,2-d]pyrimidine (Compound of Present Invention 17).

Provenance & Evidence