Journal of the American Chemical Society, Vol.118, No.3, 695-696, 1996
First (4+3) Annulation of Alkynyl Fischer Carbene Complexes and Azadienes - X-Ray Structure of a Metalated Zwitterionic Intermediate
Keywords:TUNGSTEN PENTACARBONYL GROUPS;DIELS-ALDER REACTIONS;ORGANIC SYNTHESES;REACTIVITY AUXILIARIES;CHROMIUM;METATHESIS;CYCLOADDITIONS;HETEROCYCLES;DERIVATIVES;AZOBENZENE