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金属羰基化合物氧原子转移反应——在PhIO存在下Cr(CO)6的CO取代反应动力学与机理的研究
OXYGEN ATOM TRANSFER REACTIONS TO METAL CARBONYLS-KINETICS AND MECHANISM OF CAR-BONYL SUBSTITUTION REACTION OF Cr(CO)6 IN PRESENCE OF C6H5IO
【摘要】 <正> 亚碘酰苯作为氧原子转移试剂越来越引起人们的注意。Patton曾在PhIO存在的条件下合成了〔η5-C5(CH3)5ReCONOPPh3〕BF4,指出PhIO可能氧化消除了一个羰基。但有关PhIO与金属羰基化合物反应的动力学研究未见报道。为了解其反应性质,我们对在PhIO存在下Cr(CO)6的取代反应进行了研究。
【Abstract】 Detailed kinetic data are reported for the reaction of CO substitution of Cr(CO)6 in CH3OH-THF mixed solvent in the presence of PhIO. The results indicate that the reaction follows associative rate law, and is independent of entering ligand. The effects of CH3OH as solvent and of water as a catalyst on the reaction have been investigated quantita-tively.
【关键词】 亚碘酰苯;
六羰基合铬;
氧原子转移;
动力学;
【Key words】 iodosobenzene chromium hexacarbonyl oxygen atom transfer kinetics;
【Key words】 iodosobenzene chromium hexacarbonyl oxygen atom transfer kinetics;
【基金】 中国科学院科学基金资助课题
- 【文献出处】 无机化学学报 ,Chinese Journal of Inorganic Chemistry , 编辑部邮箱 ,1988年04期
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