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Planta Med 1986; 52(5): 365-367
DOI: 10.1055/s-2007-969186
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© Georg Thieme Verlag Stuttgart · New York

New Guaianolides and Farnesol Derivatives from Arctotis arctotoides 1

S. El Dahmy2 , T. Sarg2 , S. A. Salem2 , J. Jakupovic3 , F. Bohlmann3
  • 2Pharmacognosy Dept., Zagazig University, Egypt.
  • 3Institute of Organic Chemistry, Technical University of Berlin, Str. d. 17. Juni 135, D-1000 Berlin 12.
1 Dedicated to Prof. Dr. J. Knabe on the occasion of his 65th birthday.
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1985

Publikationsdatum:
26. Februar 2007 (online)

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Abstract

The aerial parts of Arctotis arctotoides afforded eight known sesquiterpene lactones and three new ones, the 11β,13-dihydroguaianolides 9 and 10 as well as the chlorohydrine 8. Furthermore two 2Z-farnesol derivatives 12 and 13 were isolated. The structures were elucidated by highfield 1H-NMR. The stereochemistry of several compounds has been revised.