The constituents of Aristolochia elegans and Aristolochia Zollingeriana

摘要

Continuing our investigation of the bioactive compounds from the plant of the Aristolochia genus in taiwan,we isolated one new sesquiterpene,aristololide,from the stem and roots of A.elegans,eleven known compounds from the fruits of A.elegans and nine known compounds from the fresh leaves of A.Zollingeriana.Their structures were elucidated according to the 1S adn 2D NMR spectroscopic analyses or by comparison with literature values.