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Diazo compounds stabilized, by keto and/or sulphonyl groups. A comparative study by 17 O NMR spectroscopy
Author(s) -
Cerioni Giovanni,
Culeddu Nicola,
Saba Antonio
Publication year - 1993
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.1260310907
Subject(s) - chemistry , diazo , nuclear magnetic resonance spectroscopy , chemical shift , resonance (particle physics) , group (periodic table) , spectroscopy , carbon 13 nmr , medicinal chemistry , stereochemistry , organic chemistry , physics , particle physics , quantum mechanics
Comparison of the 17 O NMR chemical shifts for the keto and the sulphonyl group when stabilizing the carbanionic centre of aliphatic diazo compounds allowed the exclusion for the sulphonyl group, a stabilizing effect through resonance.