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Report | Regular issue | Vol 16, No. 2, 1981, pp.261-264
Published online, 1st January, 1970
DOI: 10.3987/R-1981-02-0261
Reactions of Harmaline and Its Derivatives. VII. Synthesis of 11-Methoxyindoloquinolizidines by Photochemical Cyclization of Enamine Interamediates

Atta-ur-Rahman* and Maryam Ghazala

*H. E. J. Postgraduate Institute of Chemistry, University of Karachi, Karachi-75270, Pakistan

Abstract

Reactions of harmaline with benzyl halide and their ring substituted analogues affords enamine intermediates, photocyclization of which results in the formation of reserpine analogues in high yields. The procedure thus provides a synthetic approach to pharmacologically interesting substances from readily accessible precursors.