Rhodizonate and croconate dianions as divergent hydrogen-bond acceptors in the self-assembly of supramolecular structures.
The C5O5(2-) and relatively unstable C6O6(2-) dianions, each serving as a hub for binding with a set of convergent NH donor groups of four phenylurea molecules, have been generated in situ and stabilized in nearly isostructural hydrogen-bonded host lattices.
Lam
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CK
Department of Chemistry, Chinese University of Hong Kong, Shatin, New Territories, Hong Kong SAR, P. R. China.
Mak
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TC