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Sulfonamide as amide isostere for fine-tuning the gelation properties of physical gels

Alegre-Requena, Juan V. ; Grijalvo, Santiago ; Sampedro, Diego ; Mayr, Judith ; Saldías, César ; Marrero-Tellado, José Juan ; Eritja, Ramón ; Herrera, Raquel P. ; Díaz, David Díaz


(S)-2-Stearamidopentanedioic acid (C-18-Glu) is a known LMW gelator that forms supramolecular gels in a variety of solvents. In this work, we have carried out the isosteric substitution of the amide group by a sulfonamide moiety yielding the new isosteric gelator (S)-2-(octadecylsulfonamido)pentanedioic acid (Sulfo-Glu). The gelation ability and the key properties of the corresponding gels were ...


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