Author/Authors :
R. Rodik، نويسنده , , A.B. Rozhenko، نويسنده , , V. Boyko، نويسنده , , V.V. Pirozhenko، نويسنده , , O. Danylyuk، نويسنده , , K. Suwinska، نويسنده , , J. Lipkowski، نويسنده , , V. Kalchenko، نويسنده ,
Abstract :
The synthesis of calix[4]arenes bearing two quinazolin-4-ones group at the upper rim is decribed. 1H 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.
