Lewis-Acid-Promoted Arylation Reaction: Synthesis of Dihydrobenzofuran Derivatives from Aryltriazenes

[摘要]：A Lewis-acid-promoted approach to the synthesis of highly functionalized dihydrobenzofuran derivatives was developed. A diverse range of functional groups are tolerated in this type of reaction. The reaction mechanism investigation indicates that the highly reactive phenyl cation intermediate is probably involved in this process. The chirality of substrate is retained under the reaction conditions.

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