Abstract
Self-assembly of the bowl-shaped C-alkylcalix[4]resorcinarene (alkyl = –iBu, CBCR; –CH2CH2Ph, CPCR) with the bifunctional spacer 4,4′-bipyridine (bipy) in alcohol solvent was investigated. Co-crystallization of CBCR with bipy in ethanol afforded a one-dimensional compound of CBCR·bipy·3EtOH (1). Heating a mixture of CPCR and bipy in ethanol led to the isolation of the compound CPCR·2bipy·EtOH (2), which has a one-dimensional wave-like polymer structure. Compounds 1 and 2 both crystallize in the triclinic space group P $$\bar{1}$$ , with a = 13.1615(2), b = 14.5201(3), c = 16.9082(4) A, α = 111.102(1)°, β = 96.976(1)°, γ = 103.979(1)°, and Z = 2 for 1, and a = 11.5175(4), b = 12.5727(5), c = 24.6775(10) A, α = 83.744(2)°, β = 89.306(2)°, γ = 71.110(2)°, and Z = 2 for 2. Two supramolecular structures based on C-alkylcalix[4]resorcinarene and 4,4′-bipyridine molecules have been synthesized and studied.
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