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Sesquiterpenoids from the Liverwort Porella canariensis* Frank Cullmann and Hans Becker

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Sesquiterpenoids from the Liverwort Porella canariensis*

Frank Cullmann and Hans Becker

Pharmakognosie und Analytische Phytochemie, Unversität des Saarlandes, D66041 Saarbrücken, Germany

Z. Naturforsch.54 c,151Ð155 (1999); received November 23/December 29, 1998 Porella, Liverwort, Pinguisane, Drimane, Germacrane, Aromadendrane

From the liverwort Porella canariensis, collected in Madeira, Portugal, nine pinguisanes, four drimanes, including the pungent polygodial, two germacranes, and two aromadendranes were isolated. The major compounds were the aromadendrane ent-cyclocolorenone and the nor-pinguisane norpinguisone. Three hydrocarbons were isolated by low temperature column chromatography. One germacrane and one pinguisane proved to be new natural products.

Reprint requests to Prof. Dr. Hans Becker. Fax: +49-681-3 02-24 76, e-mail: pb13hb@rz.uni-sb.de

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