Efficient Synthesis of 3-Iodoindenes via Lewis-Acid Catalyzed Friedel-Crafts Cyclization of Iodinated Allylic Alcohols.

[摘要]：A convenient BF3譋t2O-catalyzed Friedel-Crafts cyclization of iodinated allylic alcs. is reported. The present reaction provides an efficient protocol to 3-iodo-1H-indene derivs. in good to high yields under mild conditions. Further, the iodoindene derivs. are valuable synthetic building blocks for elaboration of mol. complexity, such as in the construction of multiaryl substituted indenes by Suzuki coupling reaction.

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