Structural Studies of Three Sesquiterpenes From Litsea spp. (Lauraceae)

Abstract

Isocurcumol (1) and a diepoxygermacranolide (2) have been isolated from Litsea cassiaefolia (Lauraceae), and valenc-1(10)-ene-8,11-diol (3) from L. excelsa. The structures of these new sesquiterpenes have been determined by X-ray crystallographic methods. It is suggested that (2) is identical to a compound described previously and originally assigned the epimeric configuration at C8.