Abstract
The oxidative addition to organoplatinum complexes of some normally unreactive bonds can be achieved using enhanced reactivity due to ring strain, intramolecular activation or the cooperative effects of two or three metal atoms. As examples, the oxidative addition of the C-0 bond of B-lactones or oxiranes to CPtMe,(NN)I, where NN = 2,2'-bipyridine or 1,lO-phenanthroline, is aided by ring strain, the oxidative addition of the aryl-halogen bond in ~PtMez(MezNCHzCHzN=CH-2-CsH4X)l or CPtMe2(Me2NCHzCHzN=CHCsFE)l is facilitated by intramolecular activation, and the activation of the C=S bond of CS,, COS or RNCS to binuclear or trinuclear complexes such as CPt,(~r-dppm),I or ~Pt,(fi,-CO)(fi-dppm),l~+, dppm =
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