Trifluoromethylation of heterocumulenes with trimethyl (trifluoromethyl) silane in the presence of fluoride ions: synthesis of trifluoroacetamides and trifluorothioacetamides from isocyanates and isothiocyanates
Kirij NV, et al.
Tetrahedron Letters, 42(46), 8181-8183 (2001)