Selective oxidation of thiols to disulfides (RSSR) was performed by using catalytic amounts of dinitrogen tetroxide/charcoal in chloroform at r.t. while the reaction of thiols with four molar equivalents of the reagent in dichloromethane afforded thiosulfonates (RSO2SR) with excellent yields.
Acknowledgments
The authors are thankful to the Shiraz University Research Council for their partial support of this work.
Notes
a The products were characterized by their comparison with known compounds.19f
a The products were characterized by their comparison with known compounds.[Citation19f]