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Preparation of 2-Azarhodacyclobutanes by Rhodium(I)–Olefin Oxidation

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  • We thank the following for support of this research: NSERC (Discovery Grant, Research Tools and Instrumentation Grants), University of British Columbia (UGF, Piers, Laird and 4YF to A.D.) and Mountain Equipment Coop (A.D.).

Abstract

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AmAZAing metallacycles: Azarhodacyclobutane was prepared by oxidation of RhI–olefin complex 1 (see Scheme; Ts=p-toluenesulfonyl). Both isomers 2 a and 2 b were isolated and characterized by NMR spectroscopy and mass spectrometry; their configurations were unambiguously established by NOE experiments.

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