Bronsted Acid Promoted Sulfonylation of Propargylic Alcohols: Synthesis of Triaryl Allenyl Sulfones under Mild Conditions
EUROPEAN JOURNAL OF ORGANIC CHEMISTRY(2023)
摘要
An efficient and practical approach for the synthesis of triaryl allenyl sulfones from easily accessible propargylic alcohols was developed, by using sodium sulfinates as a sulfonyl source in the presence of Bronsted acid. The reaction proceeded via allenyl carbocation as the key intermediate and was followed by a nucleophilic attack of sodium sulfinates to produce allenyl sulfones in moderate to excellent yields.
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关键词
allenyl sulfones,propargylic alcohols,sodium sulfinates,sulfonylation,synthetic methods
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