Abstract
A method for the highly enantioselective synthesis of (3S)- and (3R)-3,3-disubstituted 4-piperidones with an optical purity of 98% based on the “deracemizing” alkylation of 3-substituted 4-piperidones during Michael addition of their chiral imines to electrophilic alkenes was developed.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 8, pp. 1072–1078, August, 1992.
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Grishina, G.V., Gaidarova, E.L. Highly enantioselective synthesis of 3,3-disubstituted 4-piperidones by michael alkylation of chiral piperidone imines. Chem Heterocycl Compd 28, 898–904 (1992). https://doi.org/10.1007/BF00531322
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DOI: https://doi.org/10.1007/BF00531322