Visible-light-activated selective synthesis of sulfoxides via thiol-ene/oxidation reaction cascade |
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| Authors: | Manjula Singh Arvind K Yadav Lal Dhar S Yadav RKP Singh |
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| Institution: | 1. Electrochemical Laboratory, Department of Chemistry, University of Allahabad, Allahabad 211002, India;2. Green Synthesis Lab, Department of Chemistry, University of Allahabad, Allahabad 211002, India |
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| Abstract: | A convenient, highly selective and metal-free synthesis of sulfoxides from alkenes and thiols using NHPI as an inexpensive and reusable organophotoredox catalyst is reported. The protocol involves radical thiol-ene/oxidation reaction cascade and utilizes visible light and air (O2) as inexpensive, readily available, non-toxic and eco-sustainable reagents to afford up to 96% yields of the product at room temperature. |
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| Keywords: | Thiol-ene reaction Photocatalysis Free radical Sulfoxides Visible light |
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