Multicomponent Assembly of α,α‐Bis‐Sulfonyl Arylketones and Multiple Substituted Conjugated Dienes Induced by Visible‐Light Irradiation without Additives and Photocatalysts

Advanced Synthesis & Catalysis(2021)

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摘要
A synthetic method is described to produce α,α‐bis‐sulfonyl arylketones from bromoalkynes and sulfinic acids under visible‐light irradiation, this visible‐light‐promoted multicomponent cascade processes are used without additives or photocatalysts. Replacing sulfinic acids with sodium arylsulfinates results in another multicomponent reaction for synthesizing multisubstituted conjugated dienes with 26%–54% yields via construction of a C−C bond and without the use of transition metals and other additives.
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关键词
Visible-light,bromoalkynes,multicomponent reactions,α,α-bis-sulfonyl arylketones,conjugated dienes
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