Coles, S. J., Hall, C. W. and Hursthouse, M. B.
2,4-dihydroxy-1,3-bis(methoxycarbonylmethoxy)calix 4 arene and 1,3-bis(ethoxycarbonylmethoxy)-2,4-dihydroxycalix 4 arene chloroform solvate
Acta Crystallographica Section C Crystal Structure Communications, 58, (1), . (doi:10.1107/S0108270101019163).
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The two title calixarene compounds, C34H32O8, (I), and C36H36O8.CH3Cl, (II), respectively, which differ only in the size of the alkyl function on the pendant ester group, are compared. Compound (I) forms a novel supramolecular array, whilst (II) fails to do so due to accommodating a chloroform guest molecule in the lower-rim cavity.
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