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Communication | Regular issue | Vol 29, No. 11, 1989, pp.2051-2055
Published online, 1st January, 1970
DOI: 10.3987/COM-89-5081
Chemoselective Reduction of Lactams to Teritary Amines Using Tributylyin Hydride

Jean-Yves Laronzo,* Brigitte Guilleteau, Dominique Cartier, Jacquwline Laronze, and Jean Lévy

*Laboratoire de Transformation et Syntheses deSubstances Naturelles, Faculté de Pharmacie, Université de Reims-Champagne-Ardenne, 51, rue Cognacq-Jay, F-51096 Reims Cedex, France

Abstract

The piperidone carbonyl in the tetracyclic oxindolic derivatives (1a-d) was chemoselectively deoxygenated in good to fair yields by reacting the derived alkylthioiminiums (3a-d) with tributyltin hydride.