Convenient one-pot synthesis of functionalized unsymmetrical (Z) or (E)-enediynes from (Z) or (E)-1,2-dichloroethylene. An efficient route to (Z,Z,Z) and (Z,E,Z)-trienes

Article abstract of DOI:10.1016/S0040-4039(00)73232-1

A variety of functionalized unsymmetrical (Z) or (E)-enediynes 1 and 2 are stereospecifically prepared in good overall yield by a simple straightforward one-pot procedure from (Z) or (E)-1,2-dichloroethylene and 1-alkynes. Zinc reduction of 1 and 2 leads