ACOMS+ 및 학술지 리포지터리 설명회

  • 한국과학기술정보연구원(KISTI) 서울분원 대회의실(별관 3층)
  • 2024년 07월 03일(수) 13:30
 

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

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

1, 15-Bis(2-Hydroxybenzyl)-2, 6, 10, 14-Tetraazapentadecane 리간드합성, 양성자 해리상수 및 전이금속에 대한 안정도 상수결정

Synthesis, Protonation Constants and Stability Constants for Transition Metal ions(II) of 1, 15-Bis(2-Hydroxybenzyl)-2, 6, 10, 14-Tetraazapentadecane

분석과학 / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2000, v.13 no.6, pp.810-814
김선덕
김준광
이우식
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Abstract

The open-chain hexadentate <TEX>$N_4$</TEX>, <TEX>$O_2$</TEX> ligands 1, 15-bis(2-hydroxybenzyl)-2, 6, 10, 14-tetraazapentadecane (BSATPD. 4HCl) has been synthesized as its tetrahydro-chloride salt and characterized by EA, IR, NMR, and Mass spectrum. Its protonation constants (<TEX>$logK_n{^H}$</TEX>) and stability constants (<TEX>$logK_{ML}$</TEX>) for <TEX>$Cu^{2+}$</TEX>, <TEX>$Ni^{2+}$</TEX>, <TEX>$Co^{2+}$</TEX> and <TEX>$Zn^{2+}$</TEX> ions were determined in aqueous solution by potentiometry and compared with those of analogous <TEX>$N_4$</TEX>, <TEX>$O_2$</TEX> ligands contain ethtylenic spacers or propylenic spacers, which make six-membered chelate rings between the aliphatic nitrogen atoms.

keywords
ligand, potentiometry, stability constants


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