Alkyl transfer from mercury to palladium has been shown to proceed with retention of configuration of the alkyl ligand by the reaction of threo and erythro-Me-CH(NMe2)CH(HgCl)Me (I) with bisbenzonitrilepalladium chloride, followed by deuteriation and degradation of the product amines to olefins.
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Bäckvall et al. (1975) studied this question.