Synthesis of Azacrown Ether-substituted Mono-Schiff Bases and Dioxygen Affinities of Their Co(Ⅱ) Complexes

Acta Chimica Sinica ›› 2004, Vol. 62 ›› Issue (10): 969-974. Previous Articles Next Articles

氮杂冠醚取代的单Schiff碱的合成及其钴(Ⅱ)配合物的氧加合性能

魏星跃¹, 毛治华², 李建章¹, 秦圣英¹

1. 四川大学化学学院, 成都, 610064;
2. 四川大学分析测试中心, 成都, 610064

投稿日期:2003-10-10 修回日期:2004-12-28 发布日期:2014-02-17
通讯作者: 秦圣英,E-mail:qin-shengying@163.com E-mail:qin-shengying@163.com
基金资助:
国家自然科学基金(No.29572050)资助项目.

Synthesis of Azacrown Ether-substituted Mono-Schiff Bases and Dioxygen Affinities of Their Co(Ⅱ) Complexes

WEI Xing-Yue¹, MAO Zhi-Hua², LI Jian-Zhang¹, QIN Sheng-Ying¹

1. Department of Chemistry, Chengdu 610064;
2. Analytical and Testing Center, Sichuan University, Chengdu 610064

Received:2003-10-10 Revised:2004-12-28 Published:2014-02-17

Abstract

The azacrown ether substituted salicylaldimine mono-Schiff bases HL1～HL4 were synthesized conveniently from benzo-10-aza-15-crown-5 via 2～4 reaction steps and characterized by IR, MS, ¹H NMR and elemental analysis. Moreover, the oxygenation contants (K_O₂) and thermodynamic parameters (ΔH° and ΔS°) of their cobalt(Ⅱ) complexes were determined in the range of -5℃ to 25℃. The effect of the substituted azacrown rings and their binding sites on dioxygen affinities of the cobalt(Ⅱ) complexes was also discussed as compared with that of crown free analogues CoL₂5, CoL₂6 and CoL₂7.

Key words: benzo-10-aza-15-crown-5, mono-Schiff base, Co(Ⅱ)complex, synthesis, oxygenation

Cite this article

WEI Xing-Yue, MAO Zhi-Hua, LI Jian-Zhang, QIN Sheng-Ying. Synthesis of Azacrown Ether-substituted Mono-Schiff Bases and Dioxygen Affinities of Their Co(Ⅱ) Complexes[J]. Acta Chimica Sinica, 2004, 62(10): 969-974.

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氮杂冠醚取代的单Schiff碱的合成及其钴(Ⅱ)配合物的氧加合性能

Synthesis of Azacrown Ether-substituted Mono-Schiff Bases and Dioxygen Affinities of Their Co(Ⅱ) Complexes

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