The Conjugative Effects of Thia, Sulfinyl and Sulfonyl Groups on the Dissociation of p-Substituted Phenols
- 1 April 1967
- journal article
- research article
- Published by Oxford University Press (OUP) in Bulletin of the Chemical Society of Japan
- Vol. 40 (4) , 951-958
- https://doi.org/10.1246/bcsj.40.951
Abstract
Several di- or tetramethyl substituted derivatives of bis-(4-hydroxyphenyl)sulfides, sulfoxides and sulfones were newly prepared and their acid dissociations, UV and IR spectra were reinvestigated. Essentially no steric inhibition was observed in the 3-d orbital resonance with the sulfinyl and the sulfonyl groups in both the acid dissociations and the UV spectra of the substituted phenols. However, a small but noticeable steric inhibition by ortho methyl groups was observed with the mercaptophenol.Keywords
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