Synthesis of Cl2- to Cl4-diphenylsulfides and Cl1- to Cl3-dibenzothiophenes
The synthesis of eleven environmentally relevant mono-, di- and trichlorodibenzothiophenes (2) by photochemical ring-closure of polychlorodiphenylsulfides (1) is described. All monochlorodibenzothiophenes were additionally synthesized starting with a chlorothiophenol in a three-step reaction adapted from the synthesis of methyldibenzothiophenes.
Sielex, Klaus,Andersson, Jan T.
p. 3529 - 3539
(2007/10/03)
Preparation of organic sulfone compounds
An in-situ process for preparing organic sulfone compounds by oxidizing the corresponding sulfide compound with a mixture of hydrogen peroxide, a carboxylic acid in the presence of a catalytic amount of a mineral acid or an organic sulfonic acid.
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(2008/06/13)
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