Zanoni, Giuseppe and Gladiali, Serafino Gabriele and Marchetti, Alberto and Piccinini, Paolo and Tredici, Ilenia and Vidari, Giovanni (2004) Enantioselective catalytic allylation of carbonyl groups by umpolung of π-allyl palladium complexes. Angewandte Chemie. International Edition, Vol. 43 (7), p. 846-849. eISSN 1521-3773. Article.
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Diethylzinc mediates the asymmetric allylation of aldehydes through Umpolung of a π-allyl palladium complex. An investigation of the palladium source and the chiral monophosphane ligands have shown that the leaving group has a dramatic effect on the enantioselectivity of the reaction. The procedure furnished products in satisfactory yields and up to 70% ee.
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