Constituents of the Fresh Leaves of Aristolochia cucurbitifolia.

Abstract

Continuing our investigation on the bioactive compounds from the plant of Aristolochia genus in Taiwan, we isolated one new aristolochic acid derivative, aristolochic acid-VII methyl ester; one new dihydrophenanthrenelactone, aristolide-C; four new benzenoids, 2'-hydroxyethyl 4-hydroxybenzoate, ariscucurbin-A, -B and -C, together with forty-six known compounds from the fresh Aristolochia cucurbitifolia.