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1. Chemical and chemotaxonomical studies on filices. LVIII. Chemical studies on the constituents of Monachosorum arakii Tagawa (Pteridaceae)

Author

Chiuming Chen, Yasuhisa Saiki, Toshiko Satake, Takao Murakami, and Nobuaki Yokote

Subjects
biology, Monachosorum arakii, Stereochemistry, Chemistry, Chemical data, General Chemistry, General Medicine, biology.organism_classification, Pteridaceae, Chemotaxonomy, Drug Discovery, Molecule, Isomerization, Chemical composition
Abstract

A novel pterosin-type dinorsesquiterpene, mukagolactone (I), was isolated from the fronds of Monachosorum arakii TAGAWA (Pteridaceae), along with three new dinorsesquiterpene dimers, monachosorins A (II), B (III) and C (IV). Their structures were elucidated on the basis of spectroscopic and chemical data. Compound II may have been formed by an aldol-type condensation of 6-(2-hydroxyethyl)-5, 7-dimethylindan-1-one and the corresponding 5-formyl compound. The reduction of II afforded III, and the acid isomerization of II gave IV.

Published
1985
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