Abstract
AbstractThe nucleophilic addition of allylplatinum to a range of electrophiles including carbonyls, oximes, and hydrazones was examined. Platinum(II) catalysts and allene substrates were subject to hydrogenation conditions to generate nucleophilic allylplatinum complexes without using a stoichiometric amount of toxic and sensitive organometallic reagents. The allylplatinum intermediates reacted with CO and CN bonds to produce the corresponding homoallylic alcohol and amine derivatives in good yield. The Pt‐catalyzed allylation of CN bonds is the first example performed under hydrogenation conditions. A reaction mechanism initiated with the hydrometalation of allenes by PtH species is proposed based on deuterium labeling studies.
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