2. Academic Validation
  3. A new heterocyclic glucoside from the fruits of Xanthium pungens

A new heterocyclic glucoside from the fruits of Xanthium pungens

  • Nat Prod Res. 2005 Sep;19(6):585-9. doi: 10.1080/14786410412331272031.
Ahmed A Mahmoud 1,  Ahmed A Ahmed,  Shar S Al-Shihry,  Otmar Spring
Affiliations

Affiliation

  • 1 Department of Chemistry, Faculty of Science, El-Minia University, El-Minia 61519, Egypt. amahmoud64@yahoo.com
PMID: 16010824 DOI: 10.1080/14786410412331272031
Abstract

A new thiazinedione glucoside, 7-(beta-D-glucopyranosyloxymethyl)-8,8-dimethyl-4,8-dihydrobenzo[1,4]thiazine-3,5-dione (1) and named xanthiside, was isolated from the methanol extract of the fruits of Xanthium pungens. Its structure was determined by spectroscopic techniques including, IR, CIMS, high-resolution-EIMS, and extensive 400 MHz one- and two-dimensional NMR-analysis (1H, 13C-NMR, DEPT, 1H-1H COSY, HMQC, COLOC, and NOE experiments).

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