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Issue 13, 2018
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Expedient synthesis of 9,10-phenanthrenes via LiOPiv-promoted and palladium-catalysed aryne annulation by vinyl triflates

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Abstract

A novel LiOPiv-promoted and palladium-catalysed formal [2 + 2 + 2] annulation reaction of vinyl triflates and o-silylaryl triflates via aryne intermediates has been developed. This methodology affords good to excellent yields of 9,10-substituted phenanthrenes (including cyclohexa[l]phenanthrenes) and is tolerant of a variety of functional groups such as ester, cyano, and ketone.

Graphical abstract: Expedient synthesis of 9,10-phenanthrenes via LiOPiv-promoted and palladium-catalysed aryne annulation by vinyl triflates

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Publication details

The article was received on 10 Apr 2018, accepted on 15 May 2018 and first published on 16 May 2018


Article type: Research Article
DOI: 10.1039/C8QO00368H
Citation: Org. Chem. Front., 2018,5, 2045-2050
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    Expedient synthesis of 9,10-phenanthrenes via LiOPiv-promoted and palladium-catalysed aryne annulation by vinyl triflates

    J. Hu, B. Zheng, Y. Chen and Q. Xiao, Org. Chem. Front., 2018, 5, 2045
    DOI: 10.1039/C8QO00368H

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