Direct Synthesis of (E)‐β‐(Thiocyanato)vinyl Sulfones by 1,2‐Difunctionalization of Alkynes with Sulfinic Acids and Potassium Thiocyanate

Advanced Synthesis & Catalysis(2024)

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摘要
A novel and direct thiocyanatosulfonation of alkynes with sulfinic acids and potassium thiocyanate was developed at room temperature. This method provided a efficient and practical pathway to selectively access (E)‐β‐(thiocyanato)vinyl sulfones by two C−S bonds formation in one step under metal‐free condition. The advantages of this method included simple reaction conditions, easily available starting materials, good functional group compatibility, high regio‐ and stereoselectivity and good to excellent yields of products.
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关键词
Difunctionalization of alkynes,Sulfinic acids,Potassium thiocyanate
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