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Hg(OTf)2-Catalyzed Vinylogous Semi-Pinacol Rearrangement Leading to 1,4-Dihydroquinolines

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posted on 2012-03-02, 00:00 authored by Kosuke Namba, Michika Kanaki, Hiroki Suto, Mugio Nishizawa, Keiji Tanino
An efficient method for the construction of dihydroquinoline derivatives possessing a quaternary carbon center is developed by an application of Hg(OTf)2-catalyzed vinylogous semi-pinacol-type rearrangement. The reaction was found to be specifically catalyzed by mercury salt and to proceed via a bicyclic aminal.

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    quaternary carbon centermercury saltVinylogouapplicationbicyclic aminalmethodvinylogouconstructionRearrangementdihydroquinoline derivativesHgDihydroquinolinesAnrearrangement

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