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Access to divergent benzo-heterocycles via a catalyst-dependent strategy in the controllable cyclization of o-alkynyl-N-methoxyl-benzamides

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Abstract

A chemo- and regio-selectively controllable approach for construction of diverse benzo-heterocycles is established. A new strategy for using the ligand effect in gold catalysis to control the regioselectivity in the cyclization of o-alkynyl-N-methoxyl-benzamide is successfully achieved. Meanwhile, the chemoselectivity between nitrogen and oxygen nucleophiles is precisely switched by gold and platinum catalysts.

Graphical abstract: Access to divergent benzo-heterocycles via a catalyst-dependent strategy in the controllable cyclization of o-alkynyl-N-methoxyl-benzamides

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Publication details

The article was received on 11 Mar 2017, accepted on 17 Apr 2017 and first published on 18 Apr 2017


Article type: Communication
DOI: 10.1039/C7CC01861D
Citation: Chem. Commun., 2017, Advance Article
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    Access to divergent benzo-heterocycles via a catalyst-dependent strategy in the controllable cyclization of o-alkynyl-N-methoxyl-benzamides

    D. Ding, T. Mou, J. Xue and X. Jiang, Chem. Commun., 2017, Advance Article , DOI: 10.1039/C7CC01861D

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