M. Toyota et al., SESQUITERPENTOIDS FROM THE LIVERWORT DICRANOLEJEUNEA-YOSHINAGANA (HATT) MIZUT, Chemical and Pharmaceutical Bulletin, 43(4), 1995, pp. 714-716
A sesquiterpene alcohol with a new rearranged pinguisane carbon skelet
on, which is named a neo-pinguisane type, has been isolated from the e
ther extract of the liverwort Dicranolejeuenea yoshinagana (Hatt.) Miz
ut., together with two new pinguisane-type sesquiterpenoids and previo
usly known deoxopinguisone and ptychanolide. Their structures were est
ablished by spectroscopic means.