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Title

Tithoniamarin and tithoniamide: a structurally unique isocoumarin dimer and a new ceramide from Tithonia diversifolia.

Authors

Yemele Bouberte, Meffo; Krohn, Karsten; Hussain, Hidayat; Dongo, Etienne; Schulz, Barbara; Hu, Qunxiu

Abstract

Tithoniamarin (1), a new isocoumarin dimer and a new ceramide, named tithoniamide (2a), have been isolated from Tithonia diversifolia , in addition to the known β-sitosterol and β-sitosterol glucopyranoside. The structures were elucidated on the basis of spectroscopic and chemical evidence. Preliminary studies showed that 1 has antifungal and herbicidal activities against Microbotryum violaceum and Chlorella fusca .

Subjects

COUMARINS; CERAMIDES; CHLORELLA; DIMERS; ANTIFUNGAL agents; HERBICIDES

Publication

Natural Product Research, 2006, Vol 20, Issue 9, p842

ISSN

1478-6419

Publication type

Academic Journal

DOI

10.1080/14786410500462892

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