(η5-C5Me5)2M(H)(CHCHPh) and (η5-C5Me5)2M(CHCHPh)2 (M = Zr, Hf). To extend the study of the unsaturated carbon ligands, the bis(propynyl) complexes (η5-C5Me5)2M(CCCH3)2 (M = Zr, Hf) are prepared by treating (η5-C5Me5)2MCl2 with LiCCCH3. The reactivity of many of these complexes with carbon monoxide and dihydrogen is surveyed.
未活化的
乙炔的插入的
金属
氢化物键(η 5 -C 5我5)2
MH 2(M =
锆,
铪)在低温下迅速地进行,以形成单-和/或bisinsertion产品,依赖于立体大部分的
乙炔取代基。
2-丁炔和叔丁基
乙炔反应,以形成(η 5 -C 5我5)2 M(H)(C(Me)的CHMe)和(η 5 -C 5我5)2 M(H)(CH CHCMe 3)(M = Zr,Hf)。
丙炔和
1-丁炔反应,以形成(η 5 -C 5我5)2 M(CHCHCH 3)2(M =
锆,
铪)和(η 5 -C 5我5)2
锆(CHCHCH 2 CH 3)2。
苯乙炔产生两个(η 5 -C 5我5)2 M(H)(CHCHPh)和(η 5 -C 5我5)2 M(CHCHPh)2(M =
锆,
铪)。为了延长不饱和碳
配体的研究中,双(
丙炔基)配合物(η 5 -C 5我5)2 M(CCCH3)2(M =
锆,
铪)通过处理制备(η 5 -C