Abstract
The X-ray crystal structure of the complex formed between 1,2-bis(3′-pyridyl)ethyne and C-methylresorcinarene is described. The structure (C45H47N3O12) is monoclinic with a = 11.8086(7), b = 31.2037(17), c = 11.2933(6) Å, β = 101.9330(10)° and space group P21/c. The structure reveals that the resorcinarene adopts the common bowl-shaped conformation however the four intramolecular hydrogen bonds are arranged asymmetrically. One of the pyridyl rings sits inside the resorcinarene and is hydrogen bonded to two adjacent resorcinarenes.
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Georgiev, I., Bosch, E. & Barnes, C.L. Synthesis and structure of an unusual complex formed between 1,2-bis(3′-pyridyl)ethyne and C-methyl calix[4]resorcinarene. J Chem Crystallogr 34, 859–864 (2004). https://doi.org/10.1007/s10870-004-7719-z
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DOI: https://doi.org/10.1007/s10870-004-7719-z