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https://www.selleckchem.com/pr....oducts/bromoenol-lac
Urea, which has both hydrogen bond acceptor and donor moieties, is an ideal structure for a supramolecular synthon. Various supramolecules having ureido group(s) have been widely developed. This article summarizes recent developments of urea derivatives that exhibit various functions i) supramolecular capsules that form discrete urea-urea intermolecular hydrogen bonds, ii) supramolecular polymers that form continuous urea-urea intermolecular hydrogen bonds, iii) supramolecular gels that form continuous urea-urea intermolecular