New Vernolepin Derivatives from Vernonia glabra and Glaucolides from Vernonia scorpioides

J. Jakupovic; R. N. Baruah; T. V. Chau Thi; F. Bohlmann; J. D. Msonthi; G. Schmeda-Hirschmann

doi:10.1055/s-2007-969524

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Planta Med 1985; 51(5): 378-380
DOI: 10.1055/s-2007-969524

Research Articles

New Vernolepin Derivatives from Vernonia glabra and Glaucolides from Vernonia scorpioides

J. Jakupovic¹ , R. N. Baruah¹ , T. V. Chau Thi¹ , F. Bohlmann¹ , J. D. Msonthi² , G. Schmeda-Hirschmann³

¹Institute for Organic Chemistry, Technical University of Berlin, Straße des 17. Juni 135, D-1000 Berlin 12
²University of Malawi, Chancellor College, Zomba, Malawi
³University of Asuncion, Dept. of Chemistry, Asuncion, Paraguay

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Publication History

1985

1985

Publication Date:
26 February 2007 (online)

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Abstract

The aerial parts of Vernonia glabra afforded in addition to vernolepin, vernodalin and vernomenin, four further sesquiterpene lactones derived from vernolepin (1), two germacranolides and together with vernodalol the corresponding lactone 9. From Vernonia scorpioides two further glaucolides (14) and (15) were isolated. The structure of the tiglate (16) is revised. The structure were elucidated by spectroscopic methods.

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