Synthesis and characterization of metal complexes (M = Al, Ti, W, Zn) containing pyrrole-imine ligands

Yu Cai Chen, Wan Ting Chiu, Ting Jia Hu, Chia Her Lin, Jui Hsien Huang

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Abstract

Aseries of metal compounds (M = Al, Ti, W, and Zn) containing pyrrole-imine ligands have been prepared and structurally characterized. The reactions of AlMe3 with one and three equivs of pyrrole-imine ligand [C4H3NH-(2-CH=N-CH2Ph)] (1) generated aluminum compounds Al[C4H3N-(2-CH=N-CH2Ph)]Me2 (2) and Al[C4H3N-(2-CH=NCH2Ph)]3 (3), respectively, in relatively high yield. Reacting two equivs of 1 with Ti(OiPr)4, W(NHtBu)2(=NtBu)2, or ZnMe2 afforded Ti[C4H3N-(2-CH=NCH2Ph)]2(OiPr)2 (4), W[C4H3N-(2-CH=NCH2Ph)]2(=NtBu)2 (5), and Zn[C4H3N-(2-CH=NCH2Ph)]2 (6), respectively. All the compounds have been characterized by 1H and 13C NMR spectroscopy. Compounds 3-6 have also been characterized by single-crystal X-ray structural analysis. The biting angles of pyrrole-imine ligand with metals decrease and their related M-Npyrrole and M-Nimine bond lengths increase in the order of 6, 3, 4, and 5.

Original languageEnglish
Pages (from-to)133-140
Number of pages8
JournalJournal of the Chinese Chemical Society
Volume62
Issue number2
DOIs
Publication statusPublished - 2015 Feb

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Pyrroles
Imines
Coordination Complexes
Ligands
Aluminum Compounds
Metals
Bond length
Structural analysis
Nuclear magnetic resonance spectroscopy
Single crystals
X rays

All Science Journal Classification (ASJC) codes

  • Chemistry(all)

Cite this

Chen, Yu Cai ; Chiu, Wan Ting ; Hu, Ting Jia ; Lin, Chia Her ; Huang, Jui Hsien. / Synthesis and characterization of metal complexes (M = Al, Ti, W, Zn) containing pyrrole-imine ligands. In: Journal of the Chinese Chemical Society. 2015 ; Vol. 62, No. 2. pp. 133-140.
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abstract = "Aseries of metal compounds (M = Al, Ti, W, and Zn) containing pyrrole-imine ligands have been prepared and structurally characterized. The reactions of AlMe3 with one and three equivs of pyrrole-imine ligand [C4H3NH-(2-CH=N-CH2Ph)] (1) generated aluminum compounds Al[C4H3N-(2-CH=N-CH2Ph)]Me2 (2) and Al[C4H3N-(2-CH=NCH2Ph)]3 (3), respectively, in relatively high yield. Reacting two equivs of 1 with Ti(OiPr)4, W(NHtBu)2(=NtBu)2, or ZnMe2 afforded Ti[C4H3N-(2-CH=NCH2Ph)]2(OiPr)2 (4), W[C4H3N-(2-CH=NCH2Ph)]2(=NtBu)2 (5), and Zn[C4H3N-(2-CH=NCH2Ph)]2 (6), respectively. All the compounds have been characterized by 1H and 13C NMR spectroscopy. Compounds 3-6 have also been characterized by single-crystal X-ray structural analysis. The biting angles of pyrrole-imine ligand with metals decrease and their related M-Npyrrole and M-Nimine bond lengths increase in the order of 6, 3, 4, and 5.",
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Synthesis and characterization of metal complexes (M = Al, Ti, W, Zn) containing pyrrole-imine ligands. / Chen, Yu Cai; Chiu, Wan Ting; Hu, Ting Jia; Lin, Chia Her; Huang, Jui Hsien.

In: Journal of the Chinese Chemical Society, Vol. 62, No. 2, 02.2015, p. 133-140.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Synthesis and characterization of metal complexes (M = Al, Ti, W, Zn) containing pyrrole-imine ligands

AU - Chen, Yu Cai

AU - Chiu, Wan Ting

AU - Hu, Ting Jia

AU - Lin, Chia Her

AU - Huang, Jui Hsien

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N2 - Aseries of metal compounds (M = Al, Ti, W, and Zn) containing pyrrole-imine ligands have been prepared and structurally characterized. The reactions of AlMe3 with one and three equivs of pyrrole-imine ligand [C4H3NH-(2-CH=N-CH2Ph)] (1) generated aluminum compounds Al[C4H3N-(2-CH=N-CH2Ph)]Me2 (2) and Al[C4H3N-(2-CH=NCH2Ph)]3 (3), respectively, in relatively high yield. Reacting two equivs of 1 with Ti(OiPr)4, W(NHtBu)2(=NtBu)2, or ZnMe2 afforded Ti[C4H3N-(2-CH=NCH2Ph)]2(OiPr)2 (4), W[C4H3N-(2-CH=NCH2Ph)]2(=NtBu)2 (5), and Zn[C4H3N-(2-CH=NCH2Ph)]2 (6), respectively. All the compounds have been characterized by 1H and 13C NMR spectroscopy. Compounds 3-6 have also been characterized by single-crystal X-ray structural analysis. The biting angles of pyrrole-imine ligand with metals decrease and their related M-Npyrrole and M-Nimine bond lengths increase in the order of 6, 3, 4, and 5.

AB - Aseries of metal compounds (M = Al, Ti, W, and Zn) containing pyrrole-imine ligands have been prepared and structurally characterized. The reactions of AlMe3 with one and three equivs of pyrrole-imine ligand [C4H3NH-(2-CH=N-CH2Ph)] (1) generated aluminum compounds Al[C4H3N-(2-CH=N-CH2Ph)]Me2 (2) and Al[C4H3N-(2-CH=NCH2Ph)]3 (3), respectively, in relatively high yield. Reacting two equivs of 1 with Ti(OiPr)4, W(NHtBu)2(=NtBu)2, or ZnMe2 afforded Ti[C4H3N-(2-CH=NCH2Ph)]2(OiPr)2 (4), W[C4H3N-(2-CH=NCH2Ph)]2(=NtBu)2 (5), and Zn[C4H3N-(2-CH=NCH2Ph)]2 (6), respectively. All the compounds have been characterized by 1H and 13C NMR spectroscopy. Compounds 3-6 have also been characterized by single-crystal X-ray structural analysis. The biting angles of pyrrole-imine ligand with metals decrease and their related M-Npyrrole and M-Nimine bond lengths increase in the order of 6, 3, 4, and 5.

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