Abstract:The stannotropic rearrangement in 3a,4,4a,8 tetrahydro 4,4,8,8 tetramethyl tert butyl 4 stanna symm indacene was studied by dynamic NMR spectroscopy. Line shape analysis of the spectra with the use of various possible schemes of chemical exchange gives similar calculated spectra. The decision between three possible exchange schemes was made based on line shape analysis, general structural considerations, and quantum chemical calculations. A comparison with the precursor, in which the Bu t group is absent, sho… Show more
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