Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... Hydrozirconation of olefins followed by exposure of the resulting alkylzirconium species to catalytic CuCN in the presence of activated halides or phosphonates gives rise to products of aklkylation in good yields under mild conditions. ... S N 2′ displacements on allylic groups by ...