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Synthesis of Benzosiloles by Intramolecular anti-Hydroarylation via ortho-C–H Activation of Aryloxyethynyl Silanes

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posted on 2017-09-21, 00:00 authored by Yasunori Minami, Yuta Noguchi, Tamejiro Hiyama
Straightforward synthesis of benzosiloles was achieved by the invention of Pd/acid-catalyzed intramolecular anti-hydroarylation of aryloxyethynyl­(aryl)­silanes via ortho-C–H bond activation. The aryloxy group bound to the ethynyl carbon is the key factor for this transformation.

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