Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, Article, Physical Chemistry Chemical Physics called Proton in the ring: spectroscopy and dynamics of proton bonding in macrocycle cavities, Author is Gamez, Francisco; Aviles-Moreno, Juan R.; Berden, Giel; Oomens, Jos; Martinez-Haya, Bruno, which mentions a compound: 33941-15-0, SMILESS is O1CCOCCOCCOCCOCCNCC1, Molecular C12H25NO5, Application In Synthesis of 1,4,7,10,13-Pentaoxa-16-azacyclooctadecane.
The proton bond is a paradigmatic quantum mol. interaction and a major driving force of supramol. chem. The ring cavities of crown ethers provide an intriguing environment, promoting competitive proton sharing with multiple coordination anchors. This study shows that protons confined in crown ether cavities form dynamic bonds that migrate to varying pairs of coordinating atoms when allowed by the flexibility of the macrocycle backbone. Prototypic native crown ethers (12-crown-4, 15-crown-5 and 18-crown-6) and aza-crown ethers (cyclen, 1-aza-18-crown-6 and hexacyclen) are investigated. For each system, IR action spectroscopy experiments and ab initio Mol. Dynamics computations are employed to elucidate the structural effects associated with proton diffusion and its entanglement with the conformational and vibrational dynamics of the protonated host.
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Reference:
Benzoxazole – Wikipedia,
Benzoxazole | C7H5NO – PubChem