NMR spectroscopic study of coupling effects
6.13C NMR spectra of alkylselenobenzenes
Physical Chemistry
Received:
Conclusions
- 1.
A study has been made of the13C NMR spectra of various alkylselenobenzenes.
- 2.
The tendency to donor coupling in the atoms of group VI atoms diminishes in the order; 0 > S > Se. The strength of p-π coupling in the alkylselenobenzenes is determined by the molecular conformation which is, in turn, determined by the size of the alkyl substituent. There was no evidence ofπ-acceptor activity in the heteroatoms of these alkylselenobenzenes.
Keywords
Spectroscopic Study Coupling Effect Alkyl Substituent Molecular Conformation Donor Coupling
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© Plenum Publishing Corporation 1977