Novel reactivity of enynes in presence of cobalt (I) complexes
作者:Dominique Llerena、Corinne Aubert、Max Malacria
DOI:10.1016/0040-4039(96)01723-6
日期:1996.10
1,7- and 1,8-enynes led to five-membered carbocycles in presence of CpCo(CO)2. Free ligands and η4 -cobalt complexes have been isolated and characterized. A mechanism for this new cobalt-mediated cycloisomerization involving selective cobalt allylic CH activation is proposed.