Group transfer and electron transfer reactions of organometallic complexes: Summary of research accomplished in 1993.

摘要

In the past year the research on mechanisms of electron transfer processes between organometallic complexes has continued to progress with emphasis on two electron processes and on reactions of organometallic radicals. This summary will highlight the research on: (1) halide transfer reactions, (2) alkyl and acyl transfer reactions and (3) reactions of seventeen-electron organometallic complexes. At this point some conclusions on the transfer of hydrogen, halogen and methyl as the cation, radical and anion can be made. For each group, transfer as the cation is more facile. For hydrogen, transfer as the hydride is considerably slower, but H(center dot) transfers nearly as rapidly as H(sup +). Methyl could be transferred as CH(sub 3)(sup +) or CH(sub 3)(sup (minus)), but not as the radical. Halogens transfer readily as X(sup +), more slowly as X(center dot) and not at all as X(sup (minus)).