(+)-β-FRULLANOLIDE AND (+)-BROTHENOLIDE, TWO NEW SESQUITERPENE LACTONES FROM THE LIVERWORT FRULLANIA BROTHERI STEPH.

Article abstract of DOI:10.1246/cl.1980.1461

Two new sesquiterpene lactones, named (+)-β-frullanolide and (+)-brothenolide, were isolated from liverwort Frullania brotheri Steph.The absolute structures of these lactones have been established.