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http://ir.ncue.edu.tw/ir/handle/987654321/14780
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| Title: | Synthesis, Reactivity, and Structures of Dialuminum Complexes Containing Linked Ketiminate Ligands |
| Authors: | Kuo, Pei-Chen;Chen, I-Chun;Lee, Hon-Man;Hung,Cheng-Hsiang;Huang, Jui-Hsien |
| Contributors: | 化學系 |
| Keywords: | Dialuminum;Linked ketiminate;Diboron;Aluminum iodo |
| Date: | 2005-09
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| Issue Date: | 2012-12-10T01:39:41Z
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| Publisher: | Elsevier |
| Abstract: | Linked bis(ketimine) (1) can be prepared with the reaction of excess 2,4-pentanedione and 4,4′-methylene-bis(2,6-diisopropylaniline) in methanol in the presence of catalytic amount of formic acid. The dialuminum alkyl complexes containing the linked bis(ketiminate) dianionic ligands, [OC(Me)CHC(Me)N(2,6-iPr2C6H2-4)AlR2]2CH2 (2, R = Me; 3, R = Et), were prepared by a reaction of 2 equiv AlR3 with [OC(Me)CHC(Me)NH(2,6-iPr2C6H2-4)]2CH2 in methylene chloride. Reactions of 2 with 2 and 4 equiv of I2 gave corresponding aluminum iodo complexes 4 and 5, respectively. Treatment of 5 with 2 equiv of AgBF4, however, gave a diboron complex, [OC(Me)CHC(Me)N(2,6-iPr2C6H2-4)BF2]2CH2 (6), in 18% isolated yield. All new complexes have been characterized by 1H and 13C NMR spectroscopy and complexes 2, 3, and 6 are also confirmed by X-ray diffraction. |
| Relation: | Inorg. Chim. Acta., 358(13): 3761-3767 |
| Appears in Collections: | [化學系] 期刊論文
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