Two-stage formation of chloro (N-o-chlorobenzamido-meso-tetraphenylporphyrinato) zinc(II) methylene chloride solvate: Zn(N-NHCO(o-Cl)C6H4-tpp)Cl · CH2Cl2 |
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| Authors: | Chun-Yi Chen Hua-Yu Hsieh Jyh-Horung Chen Shin-Shin Wang Jo-Yu Tung Lian-Pin Hwang |
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| Affiliation: | 1. Department of Chemistry, National Chung Hsing University, Taichung 40227, Taiwan;2. Material Chemical Laboratories ITRI, Hsin-Chu 300, Taiwan;3. Department of Occupational Safety and Health, Chung Hwai University of Medical Technology, Taiwan;4. Department of Chemistry, National Taiwan University and Institute of Atomic and Molecular Sciences, Academia Sinica, Taipei 10764, Taiwan |
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| Abstract: | The coordinating properties of N-o-chlorobenzamido-meso-tetraphenylporphyrin (N-NHCO(o-Cl)C6H4-Htpp; 11) have been investigated for the Zn2+ ion. Insertion of Zn results in the formation of the zinc complex Zn(N-NCO(o-Cl)C6H4-tpp)(MeOH) · MeOH (12 · MeOH). The diamagnetic 12 · MeOH can be transformed into the diamagnetic Zn(N-NHCO(o-Cl)C6H4-tpp)Cl · CH2Cl2 (13 · CH2Cl2) in a reaction with aqueous hydrogen chloride (2%). X-ray structures for 12 · MeOH and 13 · CH2Cl2 have been determined. The coordination sphere around the Zn2+ ion in 12 · MeOH is a distorted trigonal bipyramid with N(2), N(4) and O(2) lying in the equatorial plane, whereas for the Zn2+ ion in 13 · CH2Cl2, it is a square-based pyramid in which the apical site is occupied by the Cl(1) atom. |
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| Keywords: | Zinc X-ray diffraction Acid hydrolysis Two-stage process N-Substituted-N-aminoporphyrin |
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