Reduction of n??(1, 3??dioxolan??2??yl)??1??methylpyridinium ions: Molecular structure of the 4??(l, 3??dioxolan??2??yl)??1??methyl??1, 2, 3, 6??tetrahydropyridine??borane …

JG Rodriguez, N Martinez??Lopez…

Index: Rodriguez, J. G.; Martinez-Lopez, N.; Lerma, J. Lopez de; Perales, A. Journal of Heterocyclic Chemistry, 1989 , vol. 26, p. 135 - 139

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Abstract

Abstract The reduction of the n-(1, 3-dioxolan-2-yl)-1-methylpyridinium ions with sodium borohydride has been studied to prepare N-methylformylpiperidines. Deuterium oxide was used as the solvent in order to assign the protons in the nmr spectra. As a product of the reaction, the 4-(1, 3-dioxolan-2-yl)-1-methyl-1, 2, 3, 6-tetrahy-dropyridine-borane complex, was isolated and crystallized. A X-ray study of this borane complex has been carried out.