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Direct sulfonylation of Baylis-Hillman alcohols and diarylmethanols with TosMIC in ionic liquid-[Hmim]HSO4: an unexpected reaction |
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| Authors: | GarimaVishnu P Srivastava Lal Dhar S Yadav |
| Institution: | Green synthesis Lab, Department of Chemistry, University of Allahabad, Allahabad 211 002, India |
| Abstract: | A Brønsted acidic ionic liquid-Hmim]HSO4 promoted unexpected reaction of Baylis-Hillman alcohols and diarylmethanols with p-toluenesulfonylmethyl isocyanide (TosMIC) affording the corresponding sulfone derivatives instead of N-tosylmethyl amides is reported. After isolation of the product, the ionic liquid Hmim]HSO4 was easily recycled for further use. |
| Keywords: | Ionic liquids Sulfonylation Baylis-Hillman alcohols p-Toluenesulfonylmethyl isocyanide (TosMIC) Allylic sulfones |
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