| 茂基钌化合物的合成与结构研究——双核钌氢化合物的合成与晶体结构研究; THE SYNTHESIS AND STRUCTURE STUDIES ON CYCLOPENTADIENYLRUTHENIUM DERIVATIVES - THE CRYSTAL-STRUCTURE OF [(C5H5)RU(PPH3)(MU-H)]2 | |
| 来鲁华 ; 张泽莹 ; 邵美成 | |
| 1992 | |
| 关键词 | 茂基钌氢化合物 双核钌氢化合物 晶体结构 碳氢键活化反应 |
| 英文摘要 | 三氢钌化物[(C_5H_6)Ru(PPh_3)H_3](1)经光解反应生成了一个双核钌氢化合物[(C_5H_5)Ru·(PPh_3)(μ-H)]_2(2)。用X射线重原子法及Fourier迭代解出了2的晶体结构,其分子呈二聚形式,Ru-Ru键处在对称中心,两个钌原子间还通过两个桥氢原子相联。该二聚体的单体为16电子物种,与推测的碳氢键活化反应的中间体类似,为金属有机氢化物活化碳氢键的反应历程提供了证据.文中还给出了2的可能形成过程.; Title compound obtained from light reaction of (C5H5)Ru(PPh3)H3(1)crystallized in space-group C4'-P1BAR with cell dimensions a=0.9828(4), b=1.01107(4), c=1.39061(6) nm, alpha=92.59(4), beta=109.95(3), gamma=115.76(3)-degrees. The structure was solved by Patterson function and difference Fourier calculations. The dimer molecule of compund 2 possesses point symmetry with the symmetry center on the middle of Ru-Ru bond. Each Ru atom bonded to one Ru atom, one cyclopentadienyl ring, one PPh3, and two bridged hydride ligands. The monomer form of the dimer is a 16-electron species similar to the proposed intermediate in C-H bond activation reaction, e.g. (C5Me5)Ir. (PMe3). Here the 16-electron species were catched in the dimer form, giving an experimental evidence to the proposed mechanism of C-H bond activation reaction by organometallic hydrides. The possible path for the formation of compound 2 was also suggested.; SCI(E); 中文核心期刊要目总览(PKU); 中国科学引文数据库(CSCD); 1; 10; 978-982; 50 |
| 语种 | 中文 |
| 出处 | SCI ; 知网 |
| 出版者 | 化学学报 |
| 内容类型 | 其他 |
| 源URL | [http://hdl.handle.net/20.500.11897/81167]  |
| 专题 | 化学与分子工程学院 |
| 推荐引用方式 GB/T 7714 | 来鲁华,张泽莹,邵美成. 茂基钌化合物的合成与结构研究——双核钌氢化合物的合成与晶体结构研究, THE SYNTHESIS AND STRUCTURE STUDIES ON CYCLOPENTADIENYLRUTHENIUM DERIVATIVES - THE CRYSTAL-STRUCTURE OF [(C5H5)RU(PPH3)(MU-H)]2. 1992-01-01. |
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