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NMR Evidence for the Unprecedented Binding of a Naphthalene Group to Copper(I) in Solution

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journal contribution
posted on 25.06.1998 by Rebecca R. Conry, William S. Striejewske
Variable-temperature one- and two-dimensional NMR experiments with [LCu](PF6) (L = N-(2-(1-naphthyl)ethyl)-1-aza-4,8-dithiacyclodecane) reveal solution binding of the pendant naphthalene group, consistent with the η2 binding found in the solid-state structure. The free energy for the barrier to the process that involves coordination/decoordination of the naphthalene group was estimated to be 12−13 kcal/mol.