Cooligomerizations of 3-substituted 1,5-hexadiynes with bis(trimethylsilyl)acetylene catalyzed by cobalt. A general synthesis of tricyclic ring systems from acyclic precursors
Cooligomerizations of 3-substituted 1,5-hexadiynes with bis(trimethylsilyl)acetylene catalyzed by cobalt. A general synthesis of tricyclic ring systems from acyclic precursors