An efficient and convenient route to some isoselenocyanates via reaction of formam ides with bis(trichloromethyl)carbonate and selenium

College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou 310014, P. R. China

E-mail : suweike@zjut.edu.cn    Fax : 86-571-88320420

Manuscript received 14 May 2002. revised 7 January 2003. accepted 14 January 2003

A class of isoselenocyanatcs was synthesized via one-pot procedure of N-substituted formamides,with selenium and bis(trichloromethyl)carbonate in the presence of triethylamine in good yields.