Cation effects on dynamics of ligand-benzylated formazanate boron and aluminium complexes?
Dalton Transactions Pub Date: 2020-06-15 DOI: 10.1039/D0DT01918F
Abstract
The dynamic processes present in ligand-benzylated formazanate boron and aluminium complexes are investigated using variable temperature NMR experiments and lineshape analyses. The observed difference in activation parameters for complexes containing either organic countercations (NBu4+) or alkali cations is rationalized on the basis of a different degree of ion-pairing in the ground state, and the data are in all cases consistent with a mechanism that involves pyramidal inversion at the nitrogens in the heterocyclic ring rather than homolytic N–C(benzyl) bond cleavage.
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Journal Name：Dalton Transactions
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CAS no.: 89640-58-4
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