肟金属配合物打破肟阴离子的限制酯解反应性。
Oximate metal complexes breaking the limiting esterolytic reactivity of oximate anions.
机构信息
Universidad Nacional Autónoma de México, Facultad de Química, 04510, Mexico City, Mexico.
出版信息
Chem Commun (Camb). 2013 Sep 11;49(70):7717-9. doi: 10.1039/c3cc43944e.
PMID:23877220
Abstract
Zinc(II) and cadmium(II) complexes of a tridentate oximate ligand cleave 4-nitrophenyl acetate with rate constants surpassing by two orders of magnitude those reported as the maximum possible level for highly basic free oximate anions as a result of removal of the "solvational imbalance" of the nucleophile by metal coordination.
摘要
锌（II）和镉（II）配合物的三齿氧肟酸配体与 4-硝基苯乙酸酯发生裂解反应，其速率常数超过了高碱性游离氧肟酸阴离子的最大可能水平的两个数量级，这是由于通过金属配位消除了亲核试剂的“溶剂不平衡”。
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