1.Molecular inclusion in functionalized macrocycles. Part 6. The crystal and molecular structures of the calix[4]arene from p-(1,1,3,3-tetramethylbutyl)phenol and its 1 : 1 complex with toluene 作者： Giovanni Dario Andreetti, Andrea Pochini and Rocco Ungaro J. Chem. Soc., Perkin Trans. 2, 1983, 1773 - 1779, DOI: 10.1039/P29830001773 RSC publishing Perkin Transactions 2 ceased publication in 2002. Organic & Biomolecular Chemistry is the RSC's organic chemistry journal for high-quality, original organic chemistry research.
2. Self-filled partial cone pyridinocalix[4]arenes. Pappalardo, Sebastiano. Dipartimento di Scienze Chimiche, Univ. di Catania Viale A., Cantania, Italy. New Journal of Chemistry (1996), 20(4), 465-472. Publisher: Gauthier-Villars, CODEN: NJCHE5 ISSN: 1144-0546. Journal written in English. CAN 125:58071 AN 1996:287623 CAPLUS (Copyright (C) 2009 ACS on SciFinder (R))
Abstract
Synthetic procedures and conformational features of thermodn. stable self-filled partial cone pyridinocalix[4]arenes were reviewed. Single crystal X-ray analyses, 1H NMR characteristics (in comparison with appropriate model cone conformers), and MM2 calcns. provide evidence that the heteroat. substituent (pyridine, pyridine-N-oxide, or quinoline) attached to the inverted phenol moiety lies in, and effectively fills, the calix cavity produced by the remaining three aryl rings, in a sort of locked "self-inclusion" complex. This property is absent in partial cone structures devoid of p-tert-Bu substituents, confirming the stabilizing effect of CH... interactions in the self-inclusion process.
3. Recognition of Amides by New Rigid Calix[4]arene-Based Cavitands
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