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- W1976771321 abstract "A kinetic study of the trimethylphosphite promoted migratory carbonyl insertion of fac-[(diars)Fe(CO)3Me]+ to give [(diars)Fe(CO)2(C(O)Me(P(OMe)3)]+ establishes that the insertion rate is first order in FeMe substrate and zero order in phosphite in a number of solvents. The rate law is consistent with a rate determining unimolecular insertion producing an acyl intermediate which is rapidly scavenged by phosphite. The pseudo first order rate constant, kobs, is remarkably insensitive to both polarity and coordinating ability of a variety of solvents (methanol, methylene chloride, nitromethane, acetone and acetonitrile). A significant rate acetonitrile, insertion proceeds in the absence of added trimethylphosphite to give an isolable solvent coordinated acyl, however kobs is not measurably increased. Specific solvent assistance of migratory carbonyl insertion appears to be relatively unimportant for the Fe(III) case examined." @default.
- W1976771321 created "2016-06-24" @default.
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- W1976771321 date "1983-01-01" @default.
- W1976771321 modified "2023-09-23" @default.
- W1976771321 title "A kinetic study of the lewis base promoted migratory insertion reaction of fac-[(diars)Fe(CO)3CH3]+. Direct observation of a solvent coordinated intermediate" @default.
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- W1976771321 doi "https://doi.org/10.1016/s0020-1693(00)83565-3" @default.
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