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À propos de : Carboxy and Diphosphate Ester HydrolysisPromoted by Dinuclear Zinc(II) MacrocyclicComplexes. Role of Zn(II)-Bound Hydroxide asthe Nucleophilic Function        

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  • Carboxy and Diphosphate Ester HydrolysisPromoted by Dinuclear Zinc(II) MacrocyclicComplexes. Role of Zn(II)-Bound Hydroxide asthe Nucleophilic Function
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  • The dihydroxo complexes [Zn2L(OH)2]2+ (L = dinucleating ligands containing two polyamine units separated by polyoxa chains) promote both p-nitrophenyl acetate and bis(p-nitrophenyl) phosphate hydrolysis. In NA cleavage, the hydrolytic properties depend mainly on the nucleophilicity of the Zn(II)−OH functions, while in BNP hydrolysis, the activity is modulated by the interaction of the phosphate ester with the two metal centers.
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