Deoxygenation of Sulfoxides and Reductive Coupling of Sulfonyl Chlorides, Sulfinates and Thiosulfonates Using Silphos [PCl3-n(SiO2)n] as a Heterogeneous Phosphine Reagent

Nasser Iranpoor; Habib Firouzabadi; Arezu Jamalian

doi:10.1055/s-2005-868488

LETTER

Deoxygenation of Sulfoxides and Reductive Coupling of Sulfonyl Chlorides, Sulfinates and Thiosulfonates Using Silphos [PCl_3-n(SiO₂)_n] as a Heterogeneous Phosphine Reagent

Nasser Iranpoor*, Habib Firouzabadi*, Arezu Jamalian
Department of Chemistry, College of Sciences, Shiraz University, Shiraz 71454, Iran
Fax: +98(711)2280926; e-Mail: iranpoor@chem.susc.ac.ir; e-Mail: firouzabadi@chem.susc.ac.ir;

Abstract

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Abstract

Deoxygenation of sulfoxides to thioethers and reductive coupling of sulfonyl chlorides, sodium sulfinates and thiosulfonates to their corresponding disulfides were carried out by a heterogeneous phosphine reagent, Silphos [PCl_3-n(SiO₂)_n] and molecular I₂ in dry refluxing MeCN in high yields.

Key words

deoxygenation - thioethers - reductive coupling - sulfonyl chlorides - disulfides - Silphos - heterogeneous phosphine

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