Abstract
The reactions of 2-(2-benzylaminophenyl)-5,6-dimethylbenzimidazole with electrophilic 8-chloro-5,7-dinitroquinoline and 7-chloro-4,6-dinitrobenzofuroxan afforded two new bipolar spiro-σ-complexes. The structure of the complex prepared by the latter reaction was established by X-ray diffraction analysis. The activation parameters of the stereodynamic rearrangement of quinoline spirane were determined by dynamic NMR spectroscopy.
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Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 9, pp. 1990–1994, September, 2004.
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Morozov, P.G., Kurbatov, S.V., Dolgushin, F.M. et al. Synthesis and structures of spiro-σ-complexes based on 2-(2-benzylaminophenyl)-5,6-dimethylbenzimidazole. Russ Chem Bull 53, 2075–2079 (2004). https://doi.org/10.1007/s11172-005-0075-0
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DOI: https://doi.org/10.1007/s11172-005-0075-0