Click to enlarge A New Urea Gelator: Incorporation of Intra- and Intermolecular Hydrogen Bonding for Stable 1D Self-Assembly, Org. Biomol. Chem., 1, 3464 (2003).

 Low molecular weight gelators form self-assembled fibers in solvents through noncovalent interactions such as hydrogen bonding. For the molecular design of these gelators, tuning of self-assembled structures is of great importance.
 In this study, we have developed a new bisurea gelator containing a pyridyl moiety as a hydrogen bond acceptor. X-ray crystallography and NMR measurements reveal that incorporation of intra- and intermolecuular hydrogen bonding contributes to fibrous self-assembly and effective gelation ability of this compound.