Structures of new triterpene glycosides, malbrancheosides A - D, from Malbranchea filamentosa.

[摘要]：In the course of searching for new biol. active metabolites in Malbranchea filamentosa, four new triterpene glycosides, malbrancheosides A - D, were isolated. Their structures were confirmed by the chem. and spectroscopic investigation. Malbrancheosides A - D are the first example of triterpenoidal glycosides having D-glucosamine derivs. from the fungal sources.

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