Alkyl and Aryl Substituted Corroles. 2. Synthesis and Characterization of Linked "Face-to-Face" Biscorroles. X-ray Structure of (BCA)Co2(py)3, Where BCA Represents a Biscorrole w

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• 作者：Roger Guilard ; Franç ; ois Jé ; rô ; me ; Jean-Michel Barbe ; Claude P. Gros ; Zhongping Ou ; Jianguo Shao ; Jean Fischer ; Raymond Weiss ; and Karl M. Kadish
• 刊名：Inorganic Chemistry
• 出版年：2001
• 出版时间：September 10, 2001
• 年：2001
• 卷：40
• 期：19
• 页码：4856 - 4865
• 全文大小：165K
• 年卷期：v.40,no.19(September 10, 2001)
• ISSN：1520-510X

文摘

The synthesis, spectroscopic properties, and electrochemistry of (BCA)Co₂ and (BCB)Co₂ are described whereBCA and BCB represent biscorroles linked by an anthracenyl (A) or a biphenylenyl (B) bridge. The pyridine andCO binding properties of (BCA)Co₂ and (BCB)Co₂ are also presented, and one of the compounds in its pyridine-ligated form, (BCA)Co₂(py)₃, is structurally characterized. The data on the biscorroles are compared on one handto the monocorrole having the same substitution pattern and on the other hand to bisporphyrins having two Co(II)ions and the same anthracenyl or biphenylenyl linkers in order to better understand the interaction which occursbetween the two corrole macrocycles. A parallel study on five different Co(III) phenyl-substituted corroles showedthat bis-pyridine and mono-CO adducts are readily formed from the complexes in CH₂Cl₂. This present paperexamines how the ligand binding properties and electrochemistry of these Co(III) corroles are modified by theanthracenyl or biphenylenyl bridge which links the two macrocycles in a face to face orientation. An X-raycrystal structure was obtained for the tris-pyridine adduct of the anthracenyl bridged derivative, (BCA)Co₂(py)₃,and gives the following results: C₁₂₇H₉₉Co₂N₁₁·2CHCl₃, M = 2135.90, triclinic, space group P, a = 13.2555(5)Å, b = 18.6406(8) Å, c = 22.2140(9) Å, = 94.186(9), = 102.273(9), = 94.205(9), V = 5326.8(4) ų,9293 independent reflections collected, R(F) = 0.066.