反应详情

To 18 parts of N-[(2-chlorophenyl)sulfonyl]N-methylcarbamyl chloride in 300 parts of tetrahydrofuran containing 10 parts of triethylamine is added 22 parts of 2-methylamino-4-(2,2,2-trifluoroethoxy)-6-methylpyrimidine. After stirring at reflux for 10 hours, the precipitated salts are filtered off and the filtrate is concentrated to yield N-[N-[4-(2,2,2,-trifluoroethoxy)-6-methylpyrimidin-2-yl]-N-methylaminocarbonyl]-2-chloro-N-methylbenzenesulfonamide.

1. temperatureat reflux for 10 hours
2. filtrationthe precipitated salts are filtered off
3. concentrationthe filtrate is concentrated