Abstract
From the1H,13C, and119Sn NMR spectra at different temperatures, it is concluded that the 5-alkyl-5-aza-2,8-dioxa-1-stanna(II)bicyclo[3.3.0]octanes dimerize in nonpolar solvents. The barrier for dimerization is lower (ΔG ‡=40 kJ/mol) than the barrier for simultaneous dissociation-inversion (ΔG ‡=70 kJ/mol). The dimers studied are sterically uniform.
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Zschunke, A., Mügge, C., Scheer, M. et al. The structure of 5-aza-2,8-dioxa-1-stanna(II)bicyclo[3.3.0]octane. Journal of Crystallographic and Spectroscopic Research 13, 201–210 (1983). https://doi.org/10.1007/BF01161514
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DOI: https://doi.org/10.1007/BF01161514