TITLE

Indium(I) iodide promoted cleavage of dialkyl disulfides — Application of the Michael addition of thiolate anions to conjugated carbonyl compounds and regioselective ring opening of epoxides

AUTHOR(S)
Ranu, Brindaban C.; Mandal, Tanmay
PUB. DATE
May 2006
SOURCE
Canadian Journal of Chemistry;May2006, Vol. 84 Issue 5, p762
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Indium(I) iodide promotes cleavage of dialkyl disulfides generating thiolate anions that then undergo facile addition to α,β-unsaturated ketones, aldehydes, carboxylic esters, and nitriles under neutral conditions producing corresponding β-ketosulfides or β-cyanosulfides. This strategy has also been used for the regioselective nucleophilic ring opening of epoxides by thiolate anions in presence of indium(III) chloride producing corresponding β-hydroxyphenyl sulfides. The reactions are in general, very clean, high yielding, and reasonably fast. Thus, simple and convenient procedures for the synthesis of β-ketosulfides or β-cyanosulfides and β-hydroxyalkyl sulfides have been developed using this cleavage reaction.
ACCESSION #
21197123

 

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