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15 May 2003

7 Pages

Tropane alkaloids from a Brazilian bark traded as "Catuaba" †

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1
lnstitute of Pharmacognosy, University of Vienna, PharmaCenter Vienna, Althanstrasse 14, A-1 090 Vienna, Austria
2
lnstitute of Pharmaceutical Chemistry, Karl Franzens University, Universitatsplatz 1, A-801 0 Graz, Austria
*
Author to whom correspondence should be addressed.
†
Presented at the 50th Annual Congress of the Society for Medicinal Plant Research, Barcelona, Sept. 8-1 2, 2002: Glasl S, Kletter Ch, Presser A, Narantuya S, Haslinger E, Jurenitsch J, Stifter K, Identification problems of various Catuaba samples traded in Brazil and Europe. Book of Abstracts, Revista de Fitoterapia 2002; 2 (Suppl 1): 8212

Abstract

Dichloromethane extracts of a Brazilian bark assigned as Anemopaegma mirandum contained four tropane alkaloids. MS-, UV-, IR-, 1H NMR-data and specific optical rotation allowed the identification of catuabin C and its 7-exo-hydroxy-20-methyl-derivative. As no alkaloids are described for Anemopaegma these results indicate heterogeneity for the investigated drug and require a further review.

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