CHEMICAL CONSTITUENTS OF THE LIVERWORTS BRYOPTERIS FILICINA, PLAGIOCHJLA ASPLENIOIDES AND PORELLA CANARIENSIS

Abstract

  From the Costa Rican liverwort Bryopteris filicina, German Plagiochila asplenioides, and Portuguese Porella canariensis, eight sesquiterpenoids and one diterpenoid, eleven sesqui- and one triterpenoid, and six sesquiterpenoids, respectively, were isolated. Their structures were elucidated by extensive NMR techniques or by comparison of spectral data with those of authentic samples.