THE OXIDATION OF XANTHATES AND SOME NEW DIALKYL SULPHUR- AND DISULPHUR- DICARBOTHIONATES

1 February 1930

journal article
Published by Canadian Science Publishing in Canadian Journal of Research

Vol. 2 (2) , 144-152
https://doi.org/10.1139/cjr30-011

Abstract

Sodium tetrathionate and cyanogen bromide in water have a specific oxidizing action on alkali xanthates, the latter being smoothly converted to xanthogen disulphides without the formation of by-products. Cyanogen bromide in alcohol converts xanthates into xanthogen monosulphides. Other new reagents for the oxidation of xanthates to xanthogen disulphides under certain conditions are—nitrous acid, nitrosyl chloride, chloramine-T, benzene sulphonyl chloride.The following new xanthogen disulphides, viz., n-hexyl (liquid), β-ethoxyethyl (liquid), β-phenylethyl (m.p. 49.5–50°), and the following new xanthogen monosulphides, viz., n-hexyl (liquid), benzyl (m.p., 82.5°), β-ethoxyethyl (liquid), are described. β-phenylethyl xanthogenamide (m.p., 79°) is also described.Pyrolysis of β-phenylethyl xanthogen disulphides yields styrene.

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