Abstract
The sulfur-33 and oxygen-17 chemical shifts of selected compounds containing the -SO- and -SO 2- moieties are reported and discussed in terms of the variations in the paramagnetic contribution to the nuclear shielding. It is shown that sulfur and oxygen chemical shifts are very sensitive to substituent effects and reflect the nature of the interactions of -SO- and -SO 2- with the rest of the molecule. The trends in sulfur and oxygen chemical shifts observed in sulfinyl derivatives are in agreement with photoelectron spectroscopy data, according to which the “sulfoxide bond” cannot be considered as an isolated moiety.
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