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A novel assignment method in the 13 C NMR spectroscopy of coumarins and furocoumarins
Author(s) -
Duddeck Helmut,
Elgamal M. Hanni A.,
Elhady Faten K. Abd,
Shalaby Nagwa M. M.
Publication year - 1980
Publication title -
organic magnetic resonance
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.483
H-Index - 72
eISSN - 1097-458X
pISSN - 0030-4921
DOI - 10.1002/mrc.1270140407
Subject(s) - furocoumarins , benzoic acid , chemistry , nuclear magnetic resonance spectroscopy , spectroscopy , furanocoumarin , stereochemistry , organic chemistry , photochemistry , physics , quantum mechanics
The signal shifts caused by replacing the carbonyl oxygen by sulphur represent a valuable method of assignment of the 13 C NMR signals in coumarins and furocoumarins substituted at the benzoic and furanoic rings.