Synthesis, Protonation Constants and Stability Constants for <TEX>$Co^{2+}$</TEX>, <TEX>$Ni^{2+}$</TEX>, <TEX>$Cu^{2+}$</TEX>, and <TEX>$Zn^{2+}$</TEX> Ions of 1,15-bis(2-pyridyl)-2,5,8,11,14-pentaazapentadecane

Kim, Sun-Deuk; Kim, Jun-Kwang; Jung, Woo-Sik; Chung, Koo-Chun

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P-ISSN1225-0163
E-ISSN2288-8985
SCOPUS, ESCI, KCI

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P-ISSN 1225-0163
E-ISSN 2288-8985

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Vol.9, No.4

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Synthesis, Protonation Constants and Stability Constants for $Co^{2+}$, $Ni^{2+}$, $Cu^{2+}$, and $Zn^{2+}$ Ions of 1,15-bis(2-pyridyl)-2,5,8,11,14-pentaazapentadecane

Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985

1996, v.9 no.4, pp.411-415

Kim, Sun-Deuk
Kim, Jun-Kwang
Jung, Woo-Sik
Chung, Koo-Chun

Kim, S., Kim, J., Jung, W., & Chung, K. (1996). Synthesis, Protonation Constants and Stability Constants for <TEX>$Co^{2+}$</TEX>, <TEX>$Ni^{2+}$</TEX>, <TEX>$Cu^{2+}$</TEX>, and <TEX>$Zn^{2+}$</TEX> Ions of 1,15-bis(2-pyridyl)-2,5,8,11,14-pentaazapentadecane. , 9(4), 411-415.

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Abstract

The new potentially heptadentate $N_7$ ligand 1, 15-bis(2-pyridyl)-2, 5, 8, 11, 14-pentaazapentadecane(pytetren) has been synthesized and characterized by EA, IR, NMR, and mass spectrometry. Its proton association constants (log $K{_H}^n$) and stability constants(log $K_{ML}$) for $Co^{2+}$, $Ni^{2+}$, $Cu^{2+}$, and $Zn^{2+}$ ions were determined at 298.1K and ionic strength