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Note | Regular issue | Vol 51, No. 8, 1999, pp.1897-1903
Published online, 1st January, 1970
DOI: 10.3987/COM-99-8541
Delbruninol, a New Norditerpenoid Alkaloid from Delphinium brunonianum Royle

Ahyan Ulubelen, Haridutt K. Desai, Quincy Teng, Ali H. Meriçli, Filiz Meriçli, Ufuk(Sönmez) Kolak, Muhammad Arfan, Chung K. Lee, and S. William Pelletier*

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

Abstract

A new norditerpenoid alkaloid, delbruninol (1), has been isolated from the aerial parts of Delphinium brunonianum Royle Its structure has been established on the basis of its spectroscopic data (IR, HRFABMS, 1H, 13C,1H-1H and 1H-13C COSY, ROESY, TOCSY, HMQC-TOCSY and HMBC NMR spectra). The known alkaloids delcosine, browniine, blacknidine, delbrunine, 18-methoxygadesine and nudicaulamine were also isolated and identified. The roots of D. brunonianum Royle furnished the known alkaloids methyllycaconitine and lycoctonine.