Calix[4]arenequinazolinones. Synthesis and structure

Rodik R, Rozhenko AB, Boyko V, Pirozhenko VV, Danylyuk O, Suwinska K, Lipkowski J, Kalchenko V (2007)
TETRAHEDRON 63(46): 11451-11457.

Journal Article | Published | English

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Abstract
The synthesis of calix[4]arenes bearing two quinazolin-4-ones group at the upper rim is decribed. H-1 NMR spectra and quantum chemical calculations make it possible to suggest that calix[4]arenequinazolinones form three rotamers in solutions at room temperature, due to the restricted rotation of the quinazolinone fragments. The X-ray structure investigation indicates that quinazolin-4-onecalix[4]arene exists in the crystal state as the methanol 1: 1 inclusion complex. (C) 2007 Elsevier Ltd. All rights reserved.
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Rodik R, Rozhenko AB, Boyko V, et al. Calix[4]arenequinazolinones. Synthesis and structure. TETRAHEDRON. 2007;63(46):11451-11457.
Rodik, R., Rozhenko, A. B., Boyko, V., Pirozhenko, V. V., Danylyuk, O., Suwinska, K., Lipkowski, J., et al. (2007). Calix[4]arenequinazolinones. Synthesis and structure. TETRAHEDRON, 63(46), 11451-11457.
Rodik, R., Rozhenko, A. B., Boyko, V., Pirozhenko, V. V., Danylyuk, O., Suwinska, K., Lipkowski, J., and Kalchenko, V. (2007). Calix[4]arenequinazolinones. Synthesis and structure. TETRAHEDRON 63, 11451-11457.
Rodik, R., et al., 2007. Calix[4]arenequinazolinones. Synthesis and structure. TETRAHEDRON, 63(46), p 11451-11457.
R. Rodik, et al., “Calix[4]arenequinazolinones. Synthesis and structure”, TETRAHEDRON, vol. 63, 2007, pp. 11451-11457.
Rodik, R., Rozhenko, A.B., Boyko, V., Pirozhenko, V.V., Danylyuk, O., Suwinska, K., Lipkowski, J., Kalchenko, V.: Calix[4]arenequinazolinones. Synthesis and structure. TETRAHEDRON. 63, 11451-11457 (2007).
Rodik, R., Rozhenko, A. B., Boyko, V., Pirozhenko, V. V., Danylyuk, O., Suwinska, K., Lipkowski, J., and Kalchenko, V. “Calix[4]arenequinazolinones. Synthesis and structure”. TETRAHEDRON 63.46 (2007): 11451-11457.
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