含N6O2八牙配基之三核鎳(II)與鋅(II)錯合物之合成、 鑑定及反應之研究

Synthesis,Characterization and Reactivity of Trinickel(II) and Trizinc(II) Complexes Containing N6O2 Ligands

林岫蒓(Hsiu-Chun Lin)

指導教授 ： 陳竹亭

國立臺灣大學/理學院/化學研究所/碩士(2011年)

https://doi.org/10.6342/NTU.2011.00452

摘要

無資料

關鍵字

三核 ； 三核鎳 ； 三核鋅

並列摘要

This thesis encompasses the synthesis of trinuclear complexes of nickel(II) and zinc(II) that bear N6O2 octdentate ligands. As shown in Fig 1, two aminopyridines link to piperazine or diazepane dialkoxide to constitute an octdentate N6O2 chelation (1a) and (1b), respectively.
As the reactions were carried out with the metal salt to ligand in a 3:1 ratio, trinuclear complexes were resulted as the major products evidenced by ESI-MS. The structures of these complexes have been further characterized by UV-VIS, IR spectroscopies and conductivity measurement. The structure of [(ZnII)3(L-6-PyMe)]OAc shows that four zinc ions were found to be bound to one ligand plus with two bridging acetates that connect with the two neighbor zinc. Based on the result of metal exchange experiment, it could be indicated that the octadentate ligand showed better selectivity towared copper(II) ion than other metal ions. The reactions of 3,5-di-tert-butylcatechol with such complex in methanol and acetonitrile in the aerobic conditions have been investigated. Formation of 3,5-DTBQ was evidenced by the UV-VIS absorption at 403 nm. The mechanism of such a reaction is approached.

並列關鍵字

trinuclear ； trinickel ； trizinc

參考文獻

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