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Merrifield resin supported Rose Bengal ammonium salt: An efficient catalyst for synthesis of vinyl sulfones through a visible-light-induced decarboxylative sulfonylation of cinnamic acids with sodium sulfinates

Abstract

A visible-light-induced decarboxylative sulfonylation of cinnamic acids with sodium sulfinates for the synthesis of vinyl sulfones were developed. The reaction underwent smoothly in the presence of Merrifield resin supported Rose Bengal ammonium salt as a photocatalyst, tert-butyl hydroperoxide (70% in water) as an oxidant in aqueous DMSO solution at room temperature under green LED (530−535 nm) irradiation in air atmosphere, generating the desired products in good yields. Notably, the supported catalyst can easily be separated from the reaction mixture by filtration and can be recycled at least six times without a significant loss of activity.

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Publication details

The article was received on 05 Apr 2019, accepted on 14 May 2019 and first published on 14 May 2019


Article type: Paper
DOI: 10.1039/C9OB00790C
Org. Biomol. Chem., 2019, Accepted Manuscript

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    Merrifield resin supported Rose Bengal ammonium salt: An efficient catalyst for synthesis of vinyl sulfones through a visible-light-induced decarboxylative sulfonylation of cinnamic acids with sodium sulfinates

    P. Li and G. Wang, Org. Biomol. Chem., 2019, Accepted Manuscript , DOI: 10.1039/C9OB00790C

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