Construction of polycyclic bridged indene derivatives by a tandem 1,3-rearrangement/intramolecular Friedel-Crafts cyclization of propargyl acetates.
CHEMICAL COMMUNICATIONS(2019)
Abstract
An unprecedented Lewis acid-catalyzed cascade 1,3-rearrangement/Friedel-Crafts cyclization of propargyl acetates is developed for the construction of polycyclic bridged indene derivatives in moderate to good yields. This practical procedure features mild conditions, broad substrate scope, and easy operation.
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Key words
indene derivatives,friedel–crafts cyclization,13-rearrangement/intramolecular friedel–crafts
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