Benzotriazole forms with amines stable complexes that in some cases separate spontaneously as crystals from solutions of polar organic solvents. The stoichiometries and the binding constants of these complexes have been determined by 1H NMR analysis in deuterochloroform. The quantitative analysis of the equilibria involved in the complexation process sheds light on the behaviour of benzotriazoles in solutions and gives an estimate of the influence of allosteric effects when multiple interactions are present.
Cooperativity in benzotriazole-amine complexes: allosteric tuning of molecular recognition interfaces
ZONTA, CRISTIANO;
2011
Abstract
Benzotriazole forms with amines stable complexes that in some cases separate spontaneously as crystals from solutions of polar organic solvents. The stoichiometries and the binding constants of these complexes have been determined by 1H NMR analysis in deuterochloroform. The quantitative analysis of the equilibria involved in the complexation process sheds light on the behaviour of benzotriazoles in solutions and gives an estimate of the influence of allosteric effects when multiple interactions are present.
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