Journal
TETRAHEDRON
Volume 63, Issue 31, Pages 7334-7348Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2007.05.028
Keywords
LMOG; self-assembly; organogels; viscoelastic materials; layered structures
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A variety of fatty acid amides of different naturally occurring L-amino acids have been synthesized and they are found to form gels with various hydrocarbons. The gelation properties of these compounds were studied by a number of physical methods including FTIR spectroscopy, X-ray diffraction, scanning electron microscopy, differential scanning calorimetry, rheology, and it was found that gelation depended critically on the fatty acid chain length and the nature of the amino acid. Among them L-alanine based gelators were found to be the most efficient and versatile gelators as they self-assemble into a layered structure to form the gel network. Mechanisms for the assembly and formation of gels from these molecules are discussed. (c) 2007 Elsevier Ltd. All rights reserved.
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