Visual chiral 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
Front. Chem. Sci. Eng. ›› 2017, Vol. 11 ›› Issue (2) : 231 -237.
Visual chiral recognition of 1,1′-binaphthol through enantioselective collapse of gel based on an amphiphilic Schiff-base gelator
A novel gelator that contained both Schiff base and L-lysine moieties was synthesized and its gelation behavior was tested. This gelator can form gels in various organic solvents. The resulting gel can be applied as a fascinating platform for visual recognition of enantiomeric 1-(2-hydroxynaphthalen-1-yl)naphthalen-2-ol (BINOL) through selective gel collapse. In addition, the mechanism for the reaction of the gel with chiral BINOL was investigated by scanning electron microscope and 1H nuclear magnetic resonance.
gelator / Schiff base / chiral recognition / gel formation / gel collapse
Higher Education Press and Springer-Verlag Berlin Heidelberg
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