A. Sanfeliciano et al., STRUCTURE ELUCIDATION OF GERMACRANE ALCOHOLS FROM JUNIPERUS-COMMUNIS SUBSP HEMISPHAERICA, Journal of natural products, 58(7), 1995, pp. 1059-1064
Thirty-one constituents have been identified in the neutral pare of a
n-hexane extract from the leaves of Juniperus communis subsp. hemispha
erica. Among them, three germacrane alcohols were isolated and their s
tructures established. The stereochemistry of germacra-1(10),5-dien-4
beta-ol [1] was established by a combination of chemical transformatio
ns and spectral analysis. The stereochemistries of germacra-5,10(14)-d
ien-1 alpha,4 beta-diol[2] and germacra-5,10(14)-dien-1 beta,4 beta-di
ol [3] were established by partial synthesis from 1.