Journal
ORGANIC LETTERS
Volume 13, Issue 1, Pages 126-129Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ol1026969
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- FWO
- KU Leuven
- Ministerie voor Wetenschapsbeleid
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The critical synthetic access to odd-numbered calix[n]arenes has evidently resulted in less attention for these macrocycles, although specific molecular recognition phenomena have been observed for some of them. A straightforward fragment coupling approach has been designed, applying kinetically controlled nucleophilic aromatic substitution reaction conditions, affording odd-numbered oxacalix[n]arenes (n = 5, 7) selectively in high yields. The solid-state conformational behavior and the oxacalix[n]arene cavity size were explored by single-crystal X-ray diffraction studies.
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