Treatment of Cp*(CO)Feκ2(Si,P)-SiMe2PPh2} with methyl vinyl ketone gave a 1,2-addition product, Cp*(CO)Feκ2(Si,P)-SiMe2OCMe(CHCH2)PPh2}. A linear-type Cp*(CO)2FeSiMe2PPh2 also reacted with the ketone to yield a 1,4-addition product, Cp*(CO)2Feκ1(Si)-SiMe2OC(Me)CHCH2PPh2}, which was further converted to a seven-membered metallacycle, Cp*(CO)Feκ2(Si,P)-SiMe2OC(Me)CHCH2PPh2}, upon photolysis.
用甲基
乙烯基酮处理Cp*(CO)Feγ2(Si,P)-SiMe2PPh2}得到1,2加成产物Cp*(CO)Feγ2(Si,P)-SiMe2OCMe(CHCH2)PPh2}。线性Cp*(CO)2FeSiMe2PPh2也同酮反应,生成1,4加成产物Cp*(CO)2Feγ1(Si)-SiMe2OC(Me)CHCH2PPh2},后者在光解作用下进一步转化为七元
金属环Cp*(CO)Feγ2(Si,P)-SiMe2OC(Me)CHCH2PPh2}。