Catalytic asymmetric conjugate addition of nitroalkanes to cycloalkenones.
Nitroalkanes add to cyclic and acyclic enones in an enantioselective manner in the presence of catalytic quantities of L-proline and trans-2,5-dimethylpiperazine as excess additive.
Hanessian
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Department of Chemistry, Université de Montréal, C.P. 6128, Succ. Centre-ville, Montréal, QC, H3C 3J7, Canada. hanessia@ere.umontreal.ca
Pham
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