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Comparative study of the 13 C nuclear magnetic resonance shifts of carbonyl and thiocarbonyl compounds
Author(s) -
Katritzky Alan R.,
Sobiak Stanislaw,
Marson Charles M.
Publication year - 1988
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.1260260805
Subject(s) - chemistry , heteroatom , chemical shift , spectral line , carbonyl group , group (periodic table) , crystallography , resonance (particle physics) , atom (system on chip) , stereochemistry , nuclear magnetic resonance , medicinal chemistry , ring (chemistry) , organic chemistry , atomic physics , physics , astronomy , computer science , embedded system
The 13 C spectra of nine novel and fifteen known derivatives YC(:X)Z with X = O or S are reported and compared with literature data. Two linear relationships between 13 CO and 13 CS are established depending on whether or not Y or Z is linked through an O atom to the CX group. General equations for 13 CO and 13 CS in terms of the attached groups are also deduced. The 13 C chemical shifts of n ‐butyl and n ‐octyl groups attached to the heteroatoms in this series of compounds are recorded and discussed.