1963 Volume 36 Issue 2 Pages 163-167
Diphenyl sulfoxide-35S was reduced to the sulfide-35S nearly quantitatively by heating with sulfur at 280°C, while diphenyl sulfone did not react with sulfur at the same temperature. At around 300°C, diphenyl sulfone-35S started to react with sulfur and gave diphenyl sulride that lost nearly 75% of the original activity of 35S of the sulfone used. The main reaction of the sulfone was found not to be reduction, but substitution involving induced C-S cleavage and replacement with sulfur chain.
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