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題名 | Metal Imido Complexes (M=Ti, W) Containing 2-(Dimethylaminomethyl)pyrrole: Synthesis and the Crystal Structures of BuN=TiClPy[feaf][2-Me[feaf]NCH[feaf](C[feb2]H[feb0]N)] and PhN=WCl[feb0][2-Me[feaf]NCH[feaf](C[feb2]H[feb0]N)]= |
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作者 | 黃瑞賢; 紀喨勝; 黃豐貿; 郭倍誠; 卓重慶; 李錦祥; 彭旭明; Huang, Jui-hsien; Chi, Liang-sheng; Huang, Feng-mau; Kuo, Pei-cheng; Zhou, Chong-chin; Lee, Gene-hsiang; Peng, Shie-ming; |
期刊 | Journal of the Chinese Chemical Society |
出版日期 | 20000800 |
卷期 | 47:4B 民89.08 |
頁次 | 頁895-900 |
分類號 | 345.4 |
語文 | eng |
關鍵詞 | 2-(Dimethylaminomethyl)pyrrole; Titanium imido complexes; 2,2'-Methylene-bis(6-t-butyl-4-mehylphenol); Tungsten imido; |
英文摘要 | A titanium imido complex, ButN=TiClPy2[2-Me2NCH2-(C4H3N)] 1, was synthesized through metathesis by reacting ButN=TiCl2Py3 with lithium 2-(dimethylaminomethyl) pyrrolate (LLi) in diethyl ether at room temperature. The dark brown red crystals were obtained from a concentrated diethyl ether solution of compound 1 at -20 �S��C and the monoclinic crystal shows a distorted octahedral structure with two pyridines taking trans positions. Hydrolysis ButN=TiCl2Py3 with 2,2!|-methylene-bis(6-t-butyl-4-methylphenol) (HO~~CH2~~OH) generates a bis phenoxide titanium complex, (O~~CH2~~O)TiCl2Py 2, by eliminating one equivalent of ButNH2. Similarly, the reaction of LH with PhN=WCl4(OEt2) in diethyl ether at room temperature generates PhN=WCl3(L) 3, in moderate yield. 3 has been characterized by NMR spectroscopies and X-ray crystallography. |
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