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4,4‐Dimethyl‐4‐silathiane and its S‐oxides [n = 0 (1), 1 (2), 2 (3)] were studied experimentally by variable temperature dynamic NMR spectroscopy down to 103 K and the frozen ring inversion was revealed for all three compounds. The barriers for the degenerate ring inversion in 1 and 3 were measured to be 4.8 and 5.0 kcal/mol at the coalescence temperatures of 111 and 116 K, respectively, and practically...
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