COCRYSTALLIZATION ACYCLOVIR-SUCCINIC ACID USING SOLVENT EVAPORATION METHODS
Journal Title: Asian Journal of Pharamceutical and Clinical Research - Year 2017, Vol 10, Issue 6
Abstract
Objective : The aim of this research is to prepare and characterize cocrystals of acyclovir through cocrystallization of acyclovir – succinic acid (AS) to improve the physical properties of the drug.  Methods : AS cocrystals was prepared using solvent evaporation method. The cocrystals were characterized by Polarization Microscope, Scanning Electron Microscopy (SEM), Differential Scanning Calorimetry (DSC),  Powder X-Ray Diffraction (PXRD), and Fourier Transform Infrared Spectroscopy (FTIR).Results : Physical characterization using polarization microscope and SEM showed the AS cocrystals have unique crystal habit and morphology. Phase diagram at molar ratio of 50% : 50% (acyclovir : succinic acid) showed a decrease in the melting temperature i.e 176.23 oC  in comparison with the melting point of the constituent materials (acyclovir 253.53 oC and succinic acid 187.29 oC). The PXRD pattern of AS cocrystals (ethanol) exhibited new diffraction peaks at 2θ = 5.91; 9.16; and 13.40. Besides, cocrystals of AS (glacial acetic acid) indicated new peaks at 2θ = 5.98; 9.19; and 13.43. Furthermore, there was a shift in the N-H, O-H and C=O.Conclusion : Cocrystallization of acyclovir-succinic acid (AS) in ethanol and glacial acetic acid were succesfully formed using solvent evaporation methods. Â
Authors and Affiliations
Agnes Nuniek Winantari, Dwi Setyawan, Siswandono Siswodihardjo, Sundono Nurono Soewandhi
Keywords
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- EP ID EP605304
- DOI 10.22159/ajpcr.2017.v10i6.16369
- Views 113
- Downloads 0
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