Triethylamine → HCID 13326913, compound

Participants

Reaction Steps

A solution of 15.6 g of methyl N-dichloromethylenecarbamate in 50 ml of methylene chloride is added slowly, with stirring, to a mixture of 38 g of 1,2-diamino-4-[3-(1,1,2,2-tetrafluoroethoxy)phenylsulfonyloxy]benzene (see Example 2), 20.2 g of triethylamine and 300 ml of methylene chloride at a temperature of about 20° C. The mixture is stirred for one hour and the precipitate is filtered off with suction and washed with diisopropyl ether. For purification, it is recrystallized from methanol, melting point 186° C.

Provenance & Evidence