The cyclic derivatives of transition metals have been extensively investigated in recent years since they are believed to serve as key intermediates in various homogeneous catalytic processes of olefine and alkyne met...The cyclic derivatives of transition metals have been extensively investigated in recent years since they are believed to serve as key intermediates in various homogeneous catalytic processes of olefine and alkyne metathesis. The synthesis of the title compounds has not been reported before.展开更多
文摘The cyclic derivatives of transition metals have been extensively investigated in recent years since they are believed to serve as key intermediates in various homogeneous catalytic processes of olefine and alkyne metathesis. The synthesis of the title compounds has not been reported before.