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Z. Naturforsch.
69c, 357 – 362
(2014)
doi:10.5560/ZNC.2014-0113
Three New Di-O-glycosyl-C-glucosyl Flavones from the Leaves of Caesalpinia ferrea Mart.
1 Department of Phytochemistry and Plant Systematics, National Research Centre, Dokki, Cairo, Egypt. Fax: +20 2 3370931. E-mail:
mahmoudnawwarhesham@yahoo.com
2 Faculty of Science, Department of Chemistry, Zagazig University, Zagazig, Egypt
3 Institute of Pharmacy, Pharmaceutical Biology, Ernst-Moritz-Arndt-Universität Greifswald, D-17487 Greifswald, Germany
4 Department of Chemistry, Laboratory of Applied Analytical and Environmental Chemistry, Humboldt-Universität zu Berlin, D-12489 Berlin, Germany
*Author for correspondence and reprint requests
Received June 17 / August 8, 2014 / published online November 5, 2014
Three hitherto unknown di-O-xylosyl-C-glycosyl flavones were isolated from the leaves of Caesalpinia ferrea. The structures of all isolated compounds were elucidated by conventional methods and spectroscopic analysis, including 1D and 2D NMR, as well as by HRESIMS.
Key words: Caesalpinia ferrea, Fabaceae, Di-O-glycosyl-C-glucosyl Flavones