Issue 6, 2023

Shape-shifting p-cyclophanes as portals to switching, sensing, delivery and logic operations in water

Abstract

The hybridization state of carbon atoms between phenylene units in p-cyclophanes is shown to control the guest binding properties of these hosts. Dimeric cyclophanes can be shape-switched by redox so that small aromatics can be captured or released. Trimeric cyclophanes perform similar functions on polypyridineRu(II) complexes. Controlled capture and release are key to delivery of such cargos. The luminescence and electrochemical signals which are modulated during these processes serve as sensing functions. Some of these modulations are so strong that Boolean logic schemes can be applied. Small-scale serial integration of sequential and combinational logic is seen.

Graphical abstract: Shape-shifting p-cyclophanes as portals to switching, sensing, delivery and logic operations in water

Article information

Article type
Highlight
Submitted
01 jan 2023
Accepted
24 jan 2023
First published
26 jan 2023
This article is Open Access
Creative Commons BY-NC license

Org. Chem. Front., 2023,10, 1570-1576

Shape-shifting p-cyclophanes as portals to switching, sensing, delivery and logic operations in water

C. Yao, H. Lin, B. Daly, Z. Chen, H. S. N. Crory, H. Q. N. Gunaratne, E. V. Anslyn and A. P. de Silva, Org. Chem. Front., 2023, 10, 1570 DOI: 10.1039/D2QO02043B

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