Journal of Natural Products 1993-Jan
Cytotoxic and antimalarial bisbenzylisoquinoline alkaloids from Cyclea barbata.
Alleen geregistreerde gebruikers kunnen artikelen vertalen
Log in Schrijf in
De link wordt op het klembord opgeslagen
Sleutelwoorden
Abstract
An alkaloid extract derived from the roots of Cyclea barbata demonstrated cytotoxic and antimalarial activities, and five bisbenzylisoquinoline alkaloids, (+)-tetrandrine [1], (-)-limacine [2], (+)-thalrugosine [3], (+)-homoaromoline [4], and (-)-cycleapeltine [5], were isolated as the active principles. The complete and unambiguous assignments of the 1H- and 13C-nmr data of these substances were made by 1D and 2D nmr techniques (COSY, phase-sensitive ROESY, HETCOR, and FLOCK).