Cyclic Bis-Urea Compounds as Gelators for Organic Solvents

Self‐assembly of cyclic bis‐urea compounds takes place even at low concentrations to form very thin fibers which give a three‐dimensional network in the solvent. The X‐ray structure indicates that the molecules assemble into one‐dimensional chains in which each unit forms eight hydrogen bonds with i...

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Published inChemistry : a European journal Vol. 5; no. 3; pp. 937 - 950
Main Authors van Esch, Jan H., Schoonbeek, Franck, de Loos, Maaike, Kooijman, Huub, Spek, Anthony L., Kellogg, Richard M., Feringa, Ben L.
Format Journal Article
LanguageEnglish
Published Weinheim WILEY-VCH Verlag 01.03.1999
WILEY‐VCH Verlag
Wiley
Subjects
Chemistry
Chemistry, Multidisciplinary
Electron microscopy
Gels
Hydrogen bonds
Molecular modeling
Physical Sciences
Science & Technology
Self-assembly
GEL PHASE
ENERGY
BEHAVIOR
POLYMORPHISM
GELATION
hydrogen bonds
MOLECULES
self-assembly
gels
molecular modeling
CRYSTALS
electron microscopy
AGGREGATION
HYDROCARBON
LIQUIDS
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Summary:Self‐assembly of cyclic bis‐urea compounds takes place even at low concentrations to form very thin fibers which give a three‐dimensional network in the solvent. The X‐ray structure indicates that the molecules assemble into one‐dimensional chains in which each unit forms eight hydrogen bonds with its neighbors (see picture).
Bibliography:ArticleID:CHEM937
istex:FB8323DF35AC85A71170A814F642089A74169CDA
ark:/67375/WNG-QH7F37NN-4
ISSN:0947-6539
1521-3765
DOI:10.1002/(SICI)1521-3765(19990301)5:3<937::AID-CHEM937>3.0.CO;2-0