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Communication | Regular issue | Vol 12, No. 10, 1979, pp.1269-1273
Published online, 1st January, 1970
DOI: 10.3987/R-1979-10-1269
Studies in the Dihydropyridine Series III. Piperideine Synthons by Nucleophilic Substitution to Dihydropyridinetricarbonyl Chromium (0) Complexes

James P. Kutney,* Masaki Noda, and Brian R. Worth

*Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, B.C. V6T 1Z1, Canada


Overall nucleophilic substitution of N-methyl-3-ethyl-1,2-dihydropyridinetricarbonylchromium (0) complex afforded the corresponding 2,5-disubstituted, complexed, unit. Oxidative work-up conditions provided the parent heterocycles. In a similar fashion, N-methyl-3-ethyl-1,6-dihydropyridinetricarbonylchromium (0) provided 3,5-disubstituted products.