Syntheses, characterization and crystal structures of copper(I) o-(diphenylphosphino)benzaldehyde complexes |
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| Authors: | Wen-Yann Yeh Yu-Chiao Liu Gene-Hsiang Lee |
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| Affiliation: | a Department of Chemistry, National Sun Yat-Sen University, Kaohsiung 804, Taiwan
b Department of Chemistry, National Taiwan University, Taipei 106, Taiwan |
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| Abstract: | The complexes [Cu(PCHO)2(NCMe)][BF4] (1) and [Cu(PCHO)3][BF4] (2) have been prepared by treating [Cu(NCMe)4][BF4] with two and three equivalents of Ph2P(o-C6H4)C( O)H (abbreviated as PCHO) at room temperature, respectively. The reaction of 1 and (Ph2PC5H4)2Fe (abbreviated as DPPF) affords [Cu(PCHO)(DPPF)][BF4] (3). The molecular structures of 1-3 have been determined by an X-ray diffraction study. The aldehyde groups in 1 are pendant, while one of the formyl groups in 2 is weakly coordinated to the copper ion through the oxygen atom. On the other hand, the copper atom in 3 is strongly chelated by both DPPF and PCHO ligands. |
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| Keywords: | Cu(I) complex P-O chelation PCHO ligand |
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