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Communication | Regular issue | Vol 26, No. 10, 1987, pp.2583-2586
Published online, 1st January, 1970
DOI: 10.3987/R-1987-10-2583
Pyridine N-Oxides as Catalysts for Thione-thiol Rearrangement

Kazunobu Harano, Ikuo Shinohara, Motoji Murase, and Takuzo Hisano

*Faculty of Pharmaceutical Sciences, Kumamoto University, 5-1 Oe-hon-machi, Kumamoto 862-0973, Japan


Pyridine N-oxides are efficient catalysts for rearrangement of 0,S-dialkyl dithiocarbonates to S,S-dialkyi dithiocarbonates. A Solid-Phase copolymer of 4-vinylpyridine N-oxide (P4VPNO) is also a useful catalyst. being nonvolatile and easily handled. The rearrangement products are served as useful precursors of thiols.