Separation of phenylenediamine isomers by using decamethylcucurbit[5]uril

The hydrogels composed of decamethylcucurbit[5]uril (Me 10 Q[5]) and para-phenylenediamine (p-PDA) are first reported herein. They are the first Q[5]-based supramolecular hydrogels, the formation of which is driven by portal exclusion between Me 10 Q[5] and p-PDA. The composition, structure, and properties of the Me 10 Q[5]/p-PDA-based hydrogels are investigated by various techniques. Since the 1D supramolecular chain forms via portal exclusion between Me 10 Q[5] and p-PDA is the key to the formation of the hydrogels, any competitive species, such as metal ions, organic molecules, and amino acids, which can affect the portal exclusion, can change the behavior of the Me 10 Q[5]/p-PDA-based hydrogels. Hence, the hydrogels can be used for various applications. Importantly, the results may provide a new research direction for the preparation of Q[n]-based hydrogels via portal exclusion of Q[n]s with guests.

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Multiple Stimuli‐Responsive Supramolecular Hydrogels Constructed by Decamethylcucurbit[5]uril‐para‐phenylenediamine Exclusion Complex

Guo

Yang

Cao

et al. 2021

Macromol. Rapid Commun.

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Molecular insights into the complex formation between dodecamethylcucurbit[6]uril and phenylenediamine isomers

Venkataramanan¹,

Suvitha²,

Sahara

2022

J Incl Phenom Macrocycl Chem

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Cucurbit[n]uril-Based supramolecular separation materials

Zhang,

Xiao

et al. 2024

Coordination Chemistry Reviews

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Separation of phenylenediamine isomers by using decamethylcucurbit[5]uril

Abstract: This work investigated the binding interactions between decamethylcucurbit[5]uril (Me10Q[5]) and phenylenediamine isomers, and developed a strategy to isolate phenylenediamine isomers.

Cited by 8 publications

References 30 publications

Multiple Stimuli‐Responsive Supramolecular Hydrogels Constructed by Decamethylcucurbit[5]uril‐para‐phenylenediamine Exclusion Complex

Multiple Stimuli‐Responsive Supramolecular Hydrogels Constructed by Decamethylcucurbit[5]uril‐para‐phenylenediamine Exclusion Complex

Molecular insights into the complex formation between dodecamethylcucurbit[6]uril and phenylenediamine isomers

Cucurbit[n]uril-Based supramolecular separation materials

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