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

Expedient synthesis of 9,10-phenanthrenes via LiOPiv-promoted and palladium-catalysed aryne annulation by vinyl triflates
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通过 LiOPiv 促进和钯催化的乙烯基三氟甲磺酸酯芳环化快速合成 9,10-菲

DOI:
10.1039/c8qo00368h
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发表时间:
2018-06
影响因子:
5.4
通讯作者:
Qing Xiao
Qing Xiao
中科院分区:
化学1区
文献类型:
--
作者:
Jun-Tao Hu;Bin Zheng;Ying-Chun Chen;Qing Xiao

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研究了一种新型的由liopiv促进、钯催化的三氟乙烯酯和o-硅芳基三氟乙烯酯经芳香中间体形成的[2 + 2 + 2]环化反应。该方法可提供9,10-取代菲(包括环己[1]菲)的优良产率,并且可耐受各种官能团,如酯、氰基和酮。
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.
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