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Complete assignments of 1 H and 13 C NMR spectra of the pentacyclic triterpene hederagenin from Nigella sativa Linn
Author(s) -
Joshi B. S.,
Singh K. L.,
Roy Raja
Publication year - 1999
Publication title -
magnetic resonance in chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.483
H-Index - 72
eISSN - 1097-458X
pISSN - 0749-1581
DOI - 10.1002/(sici)1097-458x(199904)37:4<295::aid-mrc457>3.0.co;2-z
Subject(s) - hederagenin , chemistry , triterpene , stereochemistry , carbon 13 nmr , triterpenoid , two dimensional nuclear magnetic resonance spectroscopy , medicine , alternative medicine , pathology
The complete 1 H and 13 C assignment of thepentacyclic triterpenoid hederagenin(3,23‐dihydroxy‐12‐oleanan‐28‐oic acid) from Nigella sativa was carried out using a two‐dimensional approach. The combined use of HMBC and HMQC were applied for the structural assignment and configurational information was obtained from the ROESY spectrum. Copyright © 1999 John Wiley & Sons, Ltd.