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Dynamic Multicomponent Hemiaminal Assembly by Dr. Lei You; S. Reid Long; Dr. Vincent M. Lynch; Prof. Dr. Eric V. Anslyn is a scholarly article available to read on EtoBox.

What is Dynamic Multicomponent Hemiaminal Assembly about?

## Abstract A simple approach to generating in situ metal‐templated tris‐(2‐picolyl)amine‐like multicomponent assemblies with potential applications in molecular recognition and sensing is reported. The assembly is based on the reversible covalent association between di‐(2‐picolyl)amine and aldehydes. Zinc ion is best for inducing assembly among the metal salts investigated, whereas 2‐picolinaldehyde is the best among the heterocyclic aldehydes studied. Although an equilibrium constant of 6.6×10^3^ M^−1^ was measured for the assembly formed by 2‐picolinaldehdye, di‐(2‐picolyl)amine, and zinc triflate, the equilibrium constants for other systems are in the 10^2^ M^−1^ range. X‐ray structural analysis revealed that zinc adopts trigonal‐bipyramidal geometry within the assembled ligand. The diversity and equilibrium of the assemblies are readily altered by simply changing concentrations, varying components, or adding counteranions.

Author

Dr. Lei You; S. Reid Long; Dr. Vincent M. Lynch; Prof. Dr. Eric V. Anslyn

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Ltd.; Wiley (ISSN 0947-6539)

Published

2011

Language

EN