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Dimethyl sulfoxide as a “methylene” source: Ru(II) photo-catalysed facile synthesis of acetals from alcohols

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Abstract

Acetals are important molecules with versatile reactivity and uses. For the first time a simple photo-catalysed facile synthesis of formaldehyde acetals is documented herein upon the reaction of alcohols with dimethyl sulfoxide under very mild conditions in the presence of air. The reactions require only 1 mol% of RuII(bpy)3Cl2 photocatalyst under blue LED irradiation (λ = 445 nm) to give good to excellent yields of the corresponding acetal products. Here DMSO acts as a “methylene” source.

Graphical abstract: Dimethyl sulfoxide as a “methylene” source: Ru(ii) photo-catalysed facile synthesis of acetals from alcohols

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Publication details

The article was received on 01 Jul 2019, accepted on 02 Aug 2019 and first published on 05 Aug 2019


Article type: Letter
DOI: 10.1039/C9NJ03422F
New J. Chem., 2019, Advance Article

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    Dimethyl sulfoxide as a “methylene” source: Ru(II) photo-catalysed facile synthesis of acetals from alcohols

    R. Talukdar, New J. Chem., 2019, Advance Article , DOI: 10.1039/C9NJ03422F

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