Supramolecular Polymers Based on Hydrogen Bonds

Supramolecular polymers based on dative boron-nitrogen bonds.

Heteroditopic monomers containing an arylboronate ester and a dialkyl-4-aminopyridine group aggregate via dative boron-nitrogen bonds to give main chain supramolecular polymers. The degree of polymerization can be tuned by changing the electronic and steric properties of the boronate ester.

Multiple Hydrogen-Bonded Supramolecular Polymers

Hydrogen bonded supramolecular polymers in moderately polar solvents.

Hydrogen bonded assemblies are usually decomposed by polar organic solvents. However, we have succeeded in preparing a strongly associated supramolecular polymer which forms viscous solutions in competitive solvents such as tetrahydrofuran.

Hydrogen Bonding Modules for Use in Supramolecular Polymers

Nature utilizes a wide range of noncovalent interactions to maintain the well-defined, three-dimensional structure of key biomacromolecules, such as proteins, DNA, and RNA. Because their discrete structures are the key to their biomacromolecular function, noncovalent interactions truly underpin all biological complexity and function and, thus, life itself. Supramolecular polymer chemistry takes...

Chain stopper engineering for hydrogen bonded supramolecular polymers

Supramolecular polymers are linear chains of low molar mass monomers held together by reversible and directional non-covalent interactions, which can form gels or highly viscous solutions if the self-assembled chains are sufficiently long and rigid. The viscosity of these solutions can be controlled by adding monofunctional compounds, which interact with the chain extremities: chain stoppers. W...