An experimental and theoretical study of the mechanism of stannylcupration of alpha,beta-acetylenic ketones and esters.


The title reaction has been investigated by experimental and computational (DFT) techniques, and subsequently compared to the corresponding carbocupration reaction, with particular emphasis on the stereoselectivity. For stannylcupration of an ynone substrate, only the anti-addition product is observed, whereas for the corresponding ynoate substrate, the… (More)


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