Catalytic synthesis of dialkyl sulfides from dialkyl disulfides

Catalytic synthesis of dialkyl sulfides from dialkyl disulfides Dialkyl disulfides R2S2 where R = Me, Et, or Pr, both as individual compounds and as their mixtures, isolated from petroleum products can turn into alkanethiols and dialkyl sulfides under the action of catalysts having strong acid sites and medium-strength basic sites on their surface. In a helium atmosphere, the main conversion products are alkanethiols, while dialkyl sulfides form in low yield at a selectivity of no higher than 20%. A much higher dialkyl sulfide selectivity is attained in the reaction involving methanol. The most efficient catalyst for this reaction is alumina, with which the dialkyl sulfide selectivity is up to 99%. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Kinetics and Catalysis Springer Journals

Catalytic synthesis of dialkyl sulfides from dialkyl disulfides

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Publisher
Pleiades Publishing
Copyright
Copyright © 2017 by Pleiades Publishing, Ltd.
Subject
Chemistry; Catalysis; Physical Chemistry
ISSN
0023-1584
eISSN
1608-3210
D.O.I.
10.1134/S0023158417040115
Publisher site
See Article on Publisher Site

Abstract

Dialkyl disulfides R2S2 where R = Me, Et, or Pr, both as individual compounds and as their mixtures, isolated from petroleum products can turn into alkanethiols and dialkyl sulfides under the action of catalysts having strong acid sites and medium-strength basic sites on their surface. In a helium atmosphere, the main conversion products are alkanethiols, while dialkyl sulfides form in low yield at a selectivity of no higher than 20%. A much higher dialkyl sulfide selectivity is attained in the reaction involving methanol. The most efficient catalyst for this reaction is alumina, with which the dialkyl sulfide selectivity is up to 99%.

Journal

Kinetics and CatalysisSpringer Journals

Published: Aug 2, 2017

References

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