Abstract
Reactions of the Tröger base (1) with HgBr2 and Mel proceed with the participation of only one N atom. According to the data of X-ray diffraction analysis, the complex [(±)-1]2·HgBr2 crystallizes in the achiral space groupP n . Unlike the complex [(+)-1]2·HgBr2, methiodide of (+)-1 in MeOH undergoes racemization at 20°C. The virtual spin-spin coupling constants4 J HH observed for the base (C 2 symmetry) are transformed into the “usual” constants in the case of the desymmetrized methiodide system.
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For Part 81, see Ref. 1.
Published inIzvestiya Akademii Nauk. Seriya Khimicheskaya, No. 7, pp. 1244–1247, July, 2000.
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Lenev, D.A., Lyssenko, K.A. & Kostyanovsky, R.G. Asymmetric nitrogen. Russ Chem Bull 49, 1241–1244 (2000). https://doi.org/10.1007/BF02495767
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DOI: https://doi.org/10.1007/BF02495767