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Synthesis and properties of novel organogelators functionalized with 5-iodo-1,2,3-triazole and azobenzene groups

Ziyan Li,Yaodong Huang,Dongli Fan,Huimin Li,Shuxue Liu,Luyuan Wang

Frontiers of Chemical Science and Engineering 2016, Volume 10, Issue 4, Pages 552-561 doi: 10.1007/s11705-016-1589-8

Abstract: Two series of 5-iodo-1,2,3-triazole derivatives containing azobenzene group(s) were synthesized and their gelling properties were tested. Those containing two azobenzene groups ( series) have better gelation performance than those containing one azobenzene group ( series). The microstructure of organogels and the driving force of gelation were investigated by scanning electron microscopy and H NMR, respectively. It was found that π-π stacking, van der Waals interaction, and dipole-dipole interaction were the main forces of gelation. All the tested organogels are photoresponsive and those from series are smarter than that from series. Henry - diagrams of compounds , , and were constructed on the basis of their gelation performance and the Hansen solubility parameters of related solvents. The constructed Henry - diagrams can be used to estimate the behavior of three compounds in any untested solvent.

Keywords： iodo triazole azobenzene photoresponsive organogel gelator-solvent effect

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recognition of 1,1′-binaphthol through enantioselective collapse of gel based on an amphiphilic Schiff-base gelator

Xuhong Zhang, Haimiao Li, Xin Zhang, Meng An, Weiwei Fang, Haitao Yu

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 2, Pages 231-237 doi: 10.1007/s11705-017-1633-3

Abstract: A novel gelator that contained both Schiff base and L-lysine moieties was synthesized and its gelationThis gelator can form gels in various organic solvents.

Keywords： gelator Schiff base chiral recognition gel formation gel collapse