Gymnomitrol, a novel tricyclic sesquiterpenoid from Gymnomitrion obtusum(Lindb) Pears (hepaticae)
Abstract
Gymnomitrol, a novel tricyclic sesquiterpenoid alcohol from the liverwort Gymnomitrion obtusum(Lindb) Pears, is formulated as (1) on chemical and spectroscopic evidence; several related compounds have been isolated and the novel carbon skeleton is shown to be derivable biogenetically from γ-bisabolene via a trichodiene intermediate.