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17 O NMR spectroscopic investigation of steroids at natural abundance
Author(s) -
Kählig H.,
Robien W.
Publication year - 1994
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/mrc.1260321008
Subject(s) - chemistry , abundance (ecology) , chemical shift , nuclear magnetic resonance spectroscopy , carbon 13 nmr , computational chemistry , analytical chemistry (journal) , organic chemistry , fishery , biology
Natural abundance 17 O NMR spectroscopic data, in toluene‐ d 8 at 90°C, were obtained for different classes of steroids, including androstanes, estranes, pregnanes, cholanes and cholestanes. Only routine acquisition parameters were used in combination with linear prediction methods during the processing for eliminating acoustic ringing artifacts. The results are discussed in terms of stereochemical effects on the 17 O chemical shift of the various oxygen‐containing functionalities.