期刊
JOURNAL OF BIOMOLECULAR STRUCTURE & DYNAMICS
卷 41, 期 1, 页码 249-262出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/07391102.2021.2004923
关键词
Phthalocyanine; cytotoxicity; crystal; enzyme inhibition; molecular docking
In this study, a novel starting material was synthesized and its structure was verified. Several new phthalocyanine compounds were synthesized and characterized using various spectroscopic methods. These compounds showed inhibitory effects on acetylcholinesterase and alpha-glycosidase enzymes, and exhibited normal cytotoxic effects on cancer cells.
In this study, the novel 4-(4-Aminopyrimidin-2-ylthio) phthalonitrile (1) as starting material was synthesized and its 3D structure was verified by the single crystal X-ray diffraction experiment. Then, its peripherally tetra-substituted phthalocyanines (2,3) and the methylated derivatives (2a,3a) containing pyrimidine derivative were synthesized. All these newly synthesized compounds were characterized with various spectroscopic methods such as UV-Vis, FT-IR, H-1-NMR, C-13-NMR and MALDI-TOF MS by obtaining satisfactory results. In addition, these novel phthalocyanines effectively inhibited acetylcholinesterase enzyme, with K-i values in the range of 10.43 +/- 2.38 to 41.70 +/- 9.32 mu M. For the related enzyme, the IC50 values were obtained in the range of 11.68 to 44.28 mu M. For alpha-glycosidase enzyme the most effective K-i values of (3a) and (2) were with K-i values of 92.87 +/- 10.70 and 95.18 +/- 17.83 mu M, respectively. Indeed, the most potent phthalocyanines against both enzymes were recorded for the purpose of investigating interaction modes of these complexes in the active site of the target enzyme. The cytotoxicity potential of these phthalocyanines against human breast, colon, and prostate cancers demonstrated that these compounds had normal cytotoxic effects. Communicated by Ramaswamy H. Sarma
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