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Issue 77, 2015
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O,N,B-Containing eight-membered heterocycles by ring expansion of boroles with nitrones

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Abstract

By a ring expansion reaction of boroles with nitrones a straightforward route to eight-membered O,N,B-containing ring systems was developed, which present a new structural motif in heterocyclic chemistry. Formally, these compounds can be considered as BN-analogues of eight-membered ring ethers containing three double bonds. The X-ray crystallographic data of a series of these oxazaborocine derivatives show that they adopt a boat conformation in the solid state.

Graphical abstract: O,N,B-Containing eight-membered heterocycles by ring expansion of boroles with nitrones

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Publication details

The article was received on 30 Jun 2015, accepted on 03 Aug 2015 and first published on 03 Aug 2015


Article type: Communication
DOI: 10.1039/C5CC05368D
Citation: Chem. Commun., 2015,51, 14513-14515

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    O,N,B-Containing eight-membered heterocycles by ring expansion of boroles with nitrones

    H. Braunschweig, I. Krummenacher, L. Mailänder and F. Rauch, Chem. Commun., 2015, 51, 14513
    DOI: 10.1039/C5CC05368D

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