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Inclusion complexation of 2-aminopyrimidines with β-cyclodextrin, physico-chemical and nuclear magnetic spectroscopic studies

Celin T S, Nagarajan S

Materials Science Poland

2014

Vol. 32, No. 1

39--44

Inclusion complexation of 2-aminopyrimidines with b-cyclodextrin was studied in the solid state by infrared spectroscopy (IR), differential scanning calorimetry (DSC) and scanning electron microscopy (SEM). The aminopyrimidine-b-CD complexes were also investigated in a solution by nuclear magnetic resonance spectral techniques (1H-NMR and 13C-NMR). Qualitative modifications in the position and number of peaks or bands obtained from spectral methods as well as thermal analysis indicated the inclusion.