Calix[4]arenequinazolinones. Synthesis and structure

被引：8
作者：
Rodik, R. [1 ]
Rozhenko, A. B. [1 ,2 ]
Boyko, V. [1 ]
Pirozhenko, V. V. [1 ]
Danylyuk, O. [3 ]
Suwinska, K. [3 ]
Lipkowski, J. [3 ]
Kalchenko, V. [1 ]
机构：
[1] Natl Acad Sci Ukraine, Inst Organ Chem, UA-02660 Kiev, Ukraine
[2] Univ Bielefeld, D-33615 Bielefeld, Germany
[3] Polish Acad Sci, Inst Phys Chem, PL-01224 Warsaw, Poland
来源：
TETRAHEDRON | 2007年 / 63卷 / 46期
关键词：
D O I：
10.1016/j.tet.2007.08.047
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
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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收藏
页码：11451 / 11457
页数：7
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