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Gnapholide: a new guaiac-dimer from Pulicaria gnaphalodes (Asteraceae)
Muhammad Shaiq Ali1, Muhammad Jahangir, Syed Shah Uzair
1H.E.J. Research Institute of Chemistry, University of Karachi, Pakistan.
Natural Product Letters
|June 7, 2002
Abstract:
The ethyl acetate soluble part of the chloroform extract of Pulicaria gnaphalodes belonging to the family Asteraceae afforded a new sesquiterpene-dimer of guaiane class named as gnapholide and anabsinthin of the same skeleton. The structures of both the compounds were elucidated with the aid of spectroscopic techniques including 2D NMR.