Design,synthesis, structure elucidation and in vitro antiviral and antimicrobial evaluation |
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Authors: | Anna Pachuta-Stec Barbara Rajtar Anna Biernasiuk Zbigniew Karczmarzyk Łukasz Świątek Anna Malm Waldemar Wysocki Katarzyna Stepaniuk Małgorzata Polz-Dacewicz Monika Pitucha |
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Institution: | 1.Department of Organic Chemistry, Faculty of Pharmacy,Medical University of Lublin,Lublin,Poland;2.Department of Virology, I Faculty of Medicine with Dentistry Division,Medical University of Lublin,Lublin,Poland;3.Department of Pharmaceutical Microbiology with Laboratory for Microbiological Diagnostics, Faculty of Pharmacy,Medical University,Lublin,Poland;4.Department of Chemistry,Siedlce University of Natural Sciences and Humanities,Siedlce,Poland |
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Abstract: | In this study, we described the synthesis of the derivatives of thiosemicarbazide, dicarboximide, 1,2,4-triazole-5-thione and 4-oxo-1,3-thiazolidine. Two different dicarboxylic acid anhydrides reacted with 4-substituted-3-thiosemicarbazide, and derivatives of thiosemicarbazide and dicarboximide were obtained. Next, cyclization reaction of dicarboximide derivatives in alkaline media was used to prepare 1,2,4-triazole-5-thione. The 4-oxo-1,3-thiazolidine was synthesized by the reaction of dicarboximide with ethyl bromoacetate. All obtained derivatives were analysed by 1H and 13C NMR spectra, and for one compound, the X-ray crystallography was done. Antimicrobial, antiviral and in vitro evaluations of cytotoxicity were examined. According to the preliminary antiviral screening, compounds 3 and 4 presented the antiviral activity against HSV-1 and CVB3. Additionally, compound 3 shows selective in vitro toxic effect against human epithelial cells FaDu, without affecting normal animal cell line (Vero). The same derivatives 3 and 4 also displayed a wide spectrum of antimicrobial activity against reference microorganisms and indicated both antibacterial and antifungal potential activities. |
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