Substitution reactions of 1,3-disubstituted allylic carbonates 3 with aryl- and alkenyl-borates 4 are catalysed by [NiCl2(dppf)][dppf = 1,1′-bis(diphenylphosphino)ferrocene], and in the case of the cyclic carbonate 7, the reaction proceeds with complete inversion.
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Kobayashi et al. (1994) studied this question.
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