A Straightforward Synthesis of Silylated and Stannylated Ynamines and Ynehydrazines

Abstract

Metallated ynamines 5a-f and ynehydrazines 5g,h were prepared in a very short reaction sequence by consecutive treatment of trichloroethylene (1) with the lithium salt of secondary amines or of trimethylhydrazine, 2 equivalents of butyllithium and chlorotriorganosilanes or -stannanes.