Coordination-Driven Tetragonal Prismatic Cage and the Investigation on Host-Guest Complexation

Miao Li, Yu Qi Shi, Xinye Gan, Longbin Su, Jialin Liang, Huiqi Wu, Yiting You, Meizi Che, Peiyang Su, Tun Wu, Zhe Zhang, Wei Zhang, Liao Yuan Yao, Pingshan Wang*, Ting Zheng Xie*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

A coordination-driven host has been reported to encapsulate guests by noncovalent interactions. Herein, we present the design and synthesis of a new type of prism combining porphyrin and terpyridine moieties with a long cavity. The prism host can contain bisite or monosite guests through axial coordination binding of porphyrin and aromatic π interactions of terpyridine. The ligands and prismatic complexes were characterized by electrospray ionization mass spectrometry (ESI-MS), TWIM-MS, NMR spectrometry, and single-crystal X-ray diffraction analysis. The guest encapsulation was investigated through ESI-MS, NMR spectrometry, and transient absorption spectroscopy analysis. The binding constant and stability were determined by UV-Vis spectrometry and gradient tandem MS (gMS2) techniques. Based on the prism, a selectively confined condensation reaction was also performed and detected by NMR spectrometry. This study provides a new type of porphyrin- and terpyridine-based host that could be used for the detection of pyridyl- and amine-contained molecules and confined catalysis.

Original languageEnglish
Pages (from-to)4393-4398
Number of pages6
JournalInorganic Chemistry
Volume62
Issue number11
DOIs
Publication statusPublished - 20 Mar 2023

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