visible-UV light, but instead rearranged into the corresponding cis-dicarbonyl isomers cis-[Mo2Cp2μ-η2:η2-C(Ph)E}(μ-PCy2)(CO)2] (Mo−Mo = 2.9208(5) Å, C−S = 1.745(5) Å in the thioacyl complex), in a process where no reaction intermediates were detected. The coordination of the chalcogenoacyl ligand in the cis-dicarbonyl isomers is analogous to that observed in the corresponding trans isomers, and involves
32电子苄基桥联络合物[Mo 2 CP 2(μ- CPh)(μ- PCy 2)(CO)2 ]与元素
硫族元素E n(E = S,Se)在333 K下反应,得到相应的衍
生物反式- [沫2的CP 2 μ - η 2:η 2 -C(PH)电子}(μ -PCy 2)(CO)2 ],从另外一个
硫属原子的给沫以下2中心的C面
钼2母体化合物中的PC核,从而形成桥接
硫属酰基
配体的5电子供体(
硫酰基复合物中的Mo-Mo = 2.8662(5)Å,CS = 1.757(5))。这些热稳定的产品不与可见光的UV光辐照下脱羰进行,而是重新排列到对应的顺式二羰基的异构体的顺式- [沫2的CP 2 μ - η 2:η 2 -C(PH)电子}(μ -PCy 2)(CO)2 ](在
硫酰基复合物中,Mo-Mo = 2.9208(5)Å,CS = 1.745(5)Å),在此过程中未检测到任何反应中间体。
硫代酰基
配体的配