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Structural distinction between sabandins A and B from Artemisia scoparia waldst. (Asteraceae)
Muhammad Shaiq Ali1, Muhammad Jahangir, Muhammad Saleem
1H.E.J. Research Institute of Chemistry, University of Karachi, Karachi 75270, Pakistan.
Natural Product Research
|April 4, 2003
Abstract:
The three possible isomeric structures of the sabandin coumarin were published by Reyes and Gonzalez in 1970. We have isolated two of these isomers sabandins A and B from Artemisia scoparia (Asteraceae) and distinguished by NOE difference NMR measurements.