Alberico, Elisabetta and Gladiali, Serafino Gabriele and Taras, Rossana and Junge, Kathrin and Beller, Matthias (2010) Expanding the scope of atropisomeric monodentate P-donor ligands in asymmetric catalysis. Asymmetric allylic alkylation of 1,3-diphenylpropenyl-1-esters by Pd/BINEPINE catalysts. Tetrahedron: Asymmetry, Vol. 21 (11-12), p. 1406-1410. ISSN 0957-4166. Article.
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Monodentate binaphthophosphepines (BINEPINES) have been tested in the palladium-catalyzed asymmetric allylic alkylation of 1,3-diphenylallyl esters. Stereoselectivities of up to 92% ee have been achieved in the alkylation of the acetate ester with the C-nucleophile, generated in situ by the action of BSA (N,O-bis(trimethylsilyl)acetamide) on dimethylmalonate in the presence of a catalytic amount of sodium acetate.
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