p-Toluenesulphonic acid-promoted, I<sub>2</sub>-catalysed sulphenylation of pyrazolones with aryl sulphonyl hydrazides

Xia Zhao, Lipeng Zhang, Tianjiao Li, Guiyan Liu, Haomeng Wang, Kui Lu

Chemical Communications · 2014 · 116 citations · 59 references

Concepts

Abstract

Aryl pyrazolone thioethers were synthesized via the I2-catalysed cross-coupling of pyrazolones with aryl sulphonyl hydrazides in the presence of p-toluenesulphonic acid, which has been proposed to promote the reaction by facilitating the decomposition of sulphonyl hydrazides.

References

59