EFFECT OF TRIAMINE LIGANDS (L) ON THE ACIDITY OF L-ZN-OH2 AS A MODEL-COMPOUND OF CA AND AP

被引：28

作者：

FUJII, Y ^{[1
]}

ITOH, T ^{[1
]}

ONODERA, K ^{[1
]}

TADA, T ^{[1
]}

机构：

[1] FUJISAWA PHARMACEUT CO LTD, ANALYT RES LABS, YODOGAWA KU, OSAKA 532, JAPAN

来源：

CHEMISTRY LETTERS | 1995年 / 04期

关键词：

D O I：

10.1246/cl.1995.305

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The acid dissociation constants of coordinated water of L-Zn-OH2 (L= diethylenetriamine (1),N-(2-aminoethyl)-1,3-propanediamine(2), dipropylenetriamine(3), 1,3,5-triaminocyclohexane (4), and 1,5,9-triazacyclododecane (5)) and the hydrolysis rate constants of diphenyl 4-nitrophenyl phosphate (6) promoted by L-Zn-OH were found to correlate linearly with the enthalpy change(Delta H) for the formation of L-Zn-OH2, which corresponds to the binding energy of Zn-L: the smaller the binding energy is, the stronger the Lewis acidity of zinc ion is and the faster the hydrolysis is.

引用

页码：305 / 306

页数：2

共 23 条

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