Palladium-catalyzed Annulation of 2-Substituted Silylethynyloxybiaryls through δ-C-H Activation
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概要
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The intramolecular hydroarylation of 2-(silylethynyloxy)-biphenyls takes place with the aid of a palladium catalyst to give 6-methylene-6H-dibenzo[b,d]pyrans. The product can be transformed into 6,6-disubstituted dibenzopyrans via protodesilyation, followed by 1,2-addition. 1,4-Bis{2-(triisopropylsilylethynyloxy)phenyl}-benzene is shown to undergo dual intramolecular insertion reaction leading to the formation of pentacyclic condensed aromatics.
- 公益社団法人 日本化学会の論文
著者
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Hiyama Tamejiro
Research & Development Initiative Chuo University
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Hiyama Tamejiro
Research and Development Initiative, Chuo University
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MINAMI Yasunori
Research and Development Initiative, Chuo University
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Anami Tomohiro
Department of Applied Chemistry, Chuo University
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