Journal of Organic Chemistry p. 4475 - 4480 (1995)
Update date:2022-08-11
Topics:
Bonchio, Marcella
Conte, Valeria
Conciliis, Maria Assunta De
Furia, Fulvio Di
Ballistreri, Francesco Paolo
et al.
The oxidation of thianthrene 5-oxide (SSO) by MoO5HMPT has been studied in 1,2-dichloroethane at 40 deg C.Under conditions of excess substrate over the oxidant, three products are formed, i.e., two isomeric cis and trans bissulfoxides (SOSO) and sulfide-sulfone (SSO2) which quantitatively account for the active oxygen of MoO5HMPT consumed.The rates of appearance of the products at different reactant concentrations have been measured.A second-order rate law has been established.The ratios of the rate constants and of the final concentrations of the three products, i.e., k2(cis-SOSO):k2(trans-SOSO):k2(SSO2) = 1.0:4.0:1.0;
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