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Solid-state supramolecular structures of resorcinol-arylboronic acid compounds
C J Davis1, P T Lewis, D R Billodeaux
1Department of Chemistry, Louisiana State University, Baton Rouge, LA 70803, USA.
Organic Letters
|August 3, 2001
Summary
This study reveals unique 2D supramolecular networks formed by a tetraarylboronic acid resorcinarene derivative. These networks are stabilized by extensive hydrogen bonding between macrocyclic molecules.
Area of Science:
- Supramolecular Chemistry
- Crystal Engineering
- Organic Solid-State Chemistry
Background:
- Resorcinarenes are macrocyclic hosts with tunable properties.
- Hydrogen bonding plays a crucial role in self-assembly and material properties.
- Supramolecular solid-state networks offer potential for novel material design.
Purpose of the Study:
- To investigate the formation and structure of supramolecular solid-state networks.
- To characterize the hydrogen bonding interactions within these networks.
- To explore the self-assembly behavior of tetraarylboronic acid resorcinarene derivatives.
Main Methods:
- X-ray crystallography was employed to determine the solid-state structure.
- Recrystallization from methanol/ethanol mixtures was used for synthesis.
- Analysis of hydrogen bond geometries and network topology.
Main Results:
- A tetraarylboronic acid resorcinarene derivative was synthesized and characterized.
- Partial esterification led to a half methyl ester (compound 2).
- Compound 2 self-assembled into an infinite two-dimensional hydrogen-bonded network.
Conclusions:
- The study demonstrates the formation of unique 2D supramolecular networks.
- Extensive hydrogen bonding (12 bonds per molecule) dictates the network structure.
- The findings highlight the potential of resorcinarene derivatives in crystal engineering.