Abstract
Cation chemosensors have gained more and more attention because they possess an important role in the chemical and biological fields. With the functionalization of cation chemosensors, some special groups were introduced into the skeleton of cation chemosensors. Photoswitchable materials can rearrange reversibly between two different forms in response to light. In recent years, photoswitchable cation chemosensors have received the interest of scientists due to their controllability with different light. It means that recognization behaviors for the cations can be regulated upon irradiation with ultraviolet or visible light. In this review, we summarize the recent advances of photoswitchable cation chemosensors. The synthetic strategies to construct different classification photoswitchable cation chemosensors are discussed in detail, the possible mechanism for recognization behaviors is summarized, and the future direction of development for photoswitchable cation chemosensors is predicted.
Keywords: Cation chemosensors, photoswitchable materials, functionalization, dithienylethene, spirooxazines, zobenzene.
Graphical Abstract
Call for Papers in Thematic Issues
Catalytic C-H bond activation as a tool for functionalization of heterocycles
The major topic is the functionalization of heterocycles through catalyzed C-H bond activation. The strategies based on C-H activation not only provide straightforward formation of C-C or C-X bonds but, more importantly, allow for the avoidance of pre-functionalization of one or two of the cross-coupling partners. The beneficial impact of ...read more
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