Cucurbit[10]uril

Journal of the American Chemical Society

Volumn 127, Issue 48, 2005, Pages 16798-16799

  Liu, Simin ^a   Zavalij, Peter Y ^a   Isaacs, Lyle ^a  

^a Bldg 142   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CUCURBIT[10]URIL; POLYCYCLIC HYDROCARBON; UNCLASSIFIED DRUG;

ALLOSTERISM; ARTICLE; BIOMIMETICS; CHEMICAL STRUCTURE; CHIRALITY; COMPLEX FORMATION; CONFORMATION; GEOMETRY; HEATING; MACROMOLECULE; MOLECULAR RECOGNITION; PROTON NUCLEAR MAGNETIC RESONANCE; RACEMIC MIXTURE; SOLUBILITY; STRUCTURE ANALYSIS; X RAY CRYSTALLOGRAPHY;

BRIDGED COMPOUNDS; IMIDAZOLES; MAGNETIC RESONANCE SPECTROSCOPY; MODELS, MOLECULAR;

EID: 28844465051     PISSN: 00027863     EISSN: None     Source Type: Journal    
DOI: 10.1021/ja056287n     Document Type: Article

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21. Addition of 1 equiv of 4 to a solution of CB[10]·3 (500 μM) results in ≈90% formation of CB[10]·cone-3·4, reflecting the strong binding of 4 to CB[10]·3. A larger number of equivalents of 5-8 are required to complete the conformation change, presumably because of weaker binding interactions of tetracationic CB[10]·3 with these cationic guests.
22. 2H group between the two portals rapidly on the chemical shift time scale. The bulkier adamantanes 7 and 8 display two sets of resonances as expected.