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Issue 20, 2010
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A family of double-bowl pseudo metallocalix[6]arene discs

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We report the synthesis and magnetic characterisation of a series of planar [M7] (M = NiII, ZnII) disc complexes [Ni7(OH)6(L1)6](NO3)2 (1), [Ni7(OH)6(L1)6](NO3)2·2MeOH (2), [Ni7(OH)6(L1)6](NO3)2·3MeNO2 (3), [Ni7(OH)6(L2)6](NO3)2·2MeCN (4), [Zn7(OH)6(L1)6](NO3)2·2MeOH·H2O (5) and [Zn7(OH)6(L1)6](NO3)2·3MeNO2 (6) (where HL1 = 2-iminomethyl-6-methoxy-phenol, HL2 = 2-iminomethyl-4-bromo-6-methoxy-phenol). Each member exhibits a double-bowl pseudo metallocalix[6]arene topology whereby the individual [M7] units form molecular host cavities which are able to accommodate various guest molecules (MeCN, MeNO2 and MeOH). Magnetic susceptibility measurements carried out on complexes 1 and 4 indicate weak exchange between the NiII centres.

Graphical abstract: A family of double-bowl pseudo metallocalix[6]arene discs

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Publication details

The article was received on 17 Dec 2009, accepted on 30 Jan 2010 and first published on 10 Mar 2010

Article type: Paper
DOI: 10.1039/B926704B
Citation: Dalton Trans., 2010,39, 4809-4816
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    A family of double-bowl pseudo metallocalix[6]arene discs

    S. T. Meally, C. McDonald, G. Karotsis, G. S. Papaefstathiou, E. K. Brechin, P. W. Dunne, P. McArdle, N. P. Power and L. F. Jones, Dalton Trans., 2010, 39, 4809
    DOI: 10.1039/B926704B

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