Self-assembly of a Barbituric Acid-Containing Macrocyclic Diacetylene
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Supramolecular self-assembly is an intriguing process that spontaneously establishes hierarchical organization from the molecular level to the macroscale. Barbituric acid is widely recognized as a supramolecular building block, known for its self-assembly structures induced by unique hydrogen bonding. In this study, we synthesized MCDA-BA by the deliberate introduction of barbituric acid into a macrocyclic diacetylene to exploit its self-assembly properties driven by hydrogen bonding. Due to the self-assembling nature of macrocyclic diacetylene and barbituric acid, the MCDA-BA self-assembled under specific conditions afforded unique supramolecular structures and exhibited photopolymerization properties under UV light. The spectroscopic properties before and after polymerization were analyzed using Raman and UV-vis spectra, while the structure of the self-assembled MCDA-BA was characterized through powder XRD analysis, IR spectroscopy, and AFM.