E. D. Khairitdinova, E. M. Tsyrlina, Leonid V. Spirikhin
Sep 1, 2005
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Journal
Chemistry of Natural Compounds
Abstract
The known alkaloids deltaline, methyllycaconitine, elasine, and the new norditerpene alkaloid alpinine were isolated from the aerial part of Delphinium alpinum. The structure of the last was proposed as 1α,6β, 16β-trimethoxy-7-hydroxy-8-ethoxy-14α-propionyloxy-4β-(2″-methyl)succinylanthranoyloxymethyl-N-ethylaconitane on the basis of PMR, 13C NMR, IR, and mass spectra.