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Communication | Regular issue | Vol 26, No. 11, 1987, pp.2835-2840
Published online, 1st January, 1970
DOI: 10.3987/R-1987-11-2835
Methylenation of Some Lycoctonine-type C19-Dithrpenoid Alkaloids: Partial Synthesis of Delbruline, and Elatine

S. William Pelletier, Haridutt K. Desai, Palaniappan Kulanthaivel, and Balawant S. Joshi

*Department of Chemistry, Institute for Natural Products Research, The University of Georgia, Chemistry Building, Athens, Georgia 30602-2556, U.S.A.

Abstract

Delbruline (5), delbrusine (6). elatine (1) and certain other atkatoids containing a methylenedioxy group a t the C(7)-C(8) position have been synthesized by the reaction of fomaldehyde or diethoxymethans with suitabte alkaloid aubstratea under carefully controlled conditions.