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Paper | Regular issue | Vol 53, No. 9, 2000, pp.1987-1996
Published online, 1st January, 1970
DOI: 10.3987/COM-00-8962
Norditerpenoid and Diterpenoid Alkaloids from the Roots of Aconitum nasutum Fisch. ex Reichb.

Ali H. Meriçli, Filiz Meriçli, Haridutt K. Desai, Balawant S. Joshi, Quincy Teng, Kinkini Bhattacharyya, Gülay Melikoglu, Mustafa Küçükislamoglu, Ayhan Ulubelen, and S. William Pelletier*

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


Investigation of the alkaloidal constituents of the roots of Aconitum nasutum led to the isolation and identification of a new diterpenoid alkaloid designated as trabzonine (1). Three known norditerpenoid alkaloids, lappaconitine (2), lycoctonine (3) and gigac-tonine (4), and two known diterpenoid alkaloids pseudokobusine (5) and septa-tisine (6) were also isolated. The structures of 1 and 5 were estab-lished by detailed analyses of 1H and 13C NMR data. The structure and absolute stereochemistry of pseudokobusine (5) was determined by an X-Ray crystal structure determination.