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http://ir.ncue.edu.tw/ir/handle/987654321/15154
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| Title: | Synthesis and Characterization of Nickel(II) Complex Containing 2-(t-Butylaminomethyl)pyrrole |
| Authors: | Hsieh, Chang-Chih;Chao, Wan-Jung;Horng, Yih-Chern;Lee, Hon-Man |
| Contributors: | 化學系 |
| Keywords: | Pyrrole;Nickel complex;Hydrogen bonds;F430 |
| Date: | 2009-04
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| Issue Date: | 2013-01-07T02:15:56Z
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| Publisher: | 中國化學學會 |
| Abstract: | Two aminopyrroles, 2-(t-butylaminomethyl)pyrrole (HL1) and 2,5-di(t-butylaminomethyl)pyrrole (HL2), were synthesized and the hydrogen-bond interactions were observed in the single-crystal X-ray structures of HL1�HCl and HL2. Bis[2-(t-butylaminomethyl)pyrrole]nickel(II) [Ni(L1)2] was prepared by treatment of the NiCl2 with 2 equiv. of mono-deprotonated HL1 in THF solvent. The solid-state structure of Ni(L1)2 shows the N4-coordinated nickel atom, with a geometry corresponding to a square-planar structure, in which two intramolecular C-H���Ni interactions are present at the axial positions with contact distances of 2.77 A. The complex displays an irreversible reduction response at -0.66 V (vs. Fc+/Fc) in CH3CN. Furthermore, 1H, 13C-HSQC NMR experiments performed at room temperature revealed that the two methylene protons of the chelating L1-1are chemically nonequivalent and one of them is coupled to the amino proton. The coupling constants (JHH') observed are close to the values predicted from the vicinal Karplus correlation diagram. |
| Relation: | J. Chin. Chem., 56(2): 435-442 |
| Appears in Collections: | [化學系] 期刊論文
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