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Ring-Expansion Reactions of Binaphthyl Azepines and Ferrocenophanes through Metal-Catalyzed [1,2]-Stevens Rearrangements

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Published in Synthesis. 2013, vol. 45, no. 15, p. 2070-2078
Abstract Enantiopure binaphthyl azocines can be prepared in a single step via the direct copper-catalyzed reaction of binaphthyl azepines and α-diazo carbonyl reagents. The [1,2]-Stevens rearrangement is general (61-93% yields) and can be extended to [3]ferrocenophanes; similar reactivity in favor of the products of ring expansion is obtained with these ferrocene derivatives (80-96% yields).
Keywords azepineazocinediazo esterferrocenophane[1,2]-Stevens rearrangement
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HARTHONG, Steven et al. Ring-Expansion Reactions of Binaphthyl Azepines and Ferrocenophanes through Metal-Catalyzed [1,2]-Stevens Rearrangements. In: Synthesis, 2013, vol. 45, n° 15, p. 2070-2078. https://archive-ouverte.unige.ch/unige:28961

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Deposited on : 2013-07-23

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