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題 名 | Reaction of (η[fec3]-C忦H忦)Fe(CO)[feaf]l with Anionic Bidentate Phosphine Ligands PPh[feaf](o-C[feb8]H[feb2]NHLi) or PPh[feaf](o-C[feb8]H[feb2]OLi) |
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作 者 | 彭震; 聞昱生; 劉陵崗; | 書刊名 | Journal of the Chinese Chemical Society |
卷 期 | 48:5 2001.10[民90.10] |
頁 次 | 頁833-841 |
分類號 | 346.01 |
關鍵詞 | o-Substituted hybrid phosphine; Electron transfer chain catalysis; (Carbamoyl)iron complex; (Carboxyalkyl)iron complex; |
語 文 | 英文(English) |
英文摘要 | The o-substituted hybrid phenylphosphines, PPh2(o-C6H4NH2) and PPh2(o-C6H4OH), could be deprotonated with LDA or n-BuLi to yield PPh2(o-C6H4NHLi) and PPh2(o-C6H4OLi), respectively. When added to a solution of (h5-C5H5)Fe(CO)2I at room temperature, these two lithiated reagents produce a chelated neutral complex 1 (h5-C5H5)Fe(CO)[C(O)NH(o-C6H4)PPh2-C,P-h2] for the former and mainly a zwitterionic complex 2, (h5-C5H5)Fe+(CO)2[PPh2(o-C6H4O-)] for the latter. Complex 1 could easily be protonated and then decarbonylated to give 4 [(h5-C5H5)Fe(CO){NH2(o-C6H4)PPh2-N,P-h2}+]. Complexes 1 and 4-I have been crystallographically characterized with X-ray diffraction. |
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