Journal
MAGNETIC RESONANCE IN CHEMISTRY
Volume 47, Issue 6, Pages 527-531Publisher
WILEY
DOI: 10.1002/mrc.2416
Keywords
NMR; H-1 NMR; C-13 NMR; 2D NMR; Cyperus rotundus L.; sesquiterpenes
Funding
- National Natural Science Foundation of China [30772711]
- Higher Education of China [20070023030]
- Specialized Fund for Nonprofit National Scientific Research Institute of China [YZ-1-26]
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Two new sesquiterpenes, epi-guaidiol A (1) and sugebiol (3), together with four known sesquiterpenes, guaidiol A(2), sugetriol triacetate (4), cyperenoic acid (5), and cyperotundone (6) were isolated from the rhizomes of Cyperus rotundus L. Their structures were identified by MS and NMR experiments, and the complete assignments of H-1 and C-13 NMR data for two new sesquiterpenes were obtained by the aid of two-dimensional (2D) NMR techniques, including HSQC, HMBC, H-1-(HCOSY)-H-1 and nuclear overhauser enhancement spectroscopy(NOESY). Copyright (C) 2009 John Wiley & Sons, Ltd.
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