Synthesis of 1‐[(1R)‐1‐(6‐fluoro‐1,3‐benzothiazol‐2‐yl)ethyl]‐3‐substituted phenyl ureas and their inhibition activity to acetylcholinesterase and butyrylcholinesterase |
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| Authors: | Vladimír Pejchal Šárka Štěpánková Pavel Drabina |
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| Affiliation: | 1. Faculty of Chemical Technology, Institute of Organic Chemistry and Technology, University of Pardubice, Pardubice 532 10, Czech Republic;2. Faculty of Chemical Technology, Department of Biological and Biochemical Sciences, University of Pardubice, Pardubice 532 10, Czech Republic |
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| Abstract: | A series of novel 1‐[(1R)‐1‐(6‐fluoro‐1,3‐benzothiazol‐2‐yl)ethyl]‐3‐substituted phenyl ureas were synthesized by the condensation of (1R)‐1‐(6‐fluoro‐1,3‐benzothiazol‐2‐yl)ethanamine with substituted phenyl isocyanates under mild conditions. Their structures were confirmed 1H, 13C, and 19F NMR spectra, and elemental analyses. The optical activities were confirmed by optical rotation measurements. The inhibition activity of 1‐[(1R)‐1‐(6‐fluoro‐1,3‐benzothiazol‐2‐yl)ethyl]‐3‐substituted phenyl ureas to acetylcholinesterase (ACHE) and butyrylcholinesterase (BCHE) was also tested. Preliminary bioassay indicated that the target ureas displayed excellent acetylcholinesterase and butyrylcholinesterase inhibition activity. J. Heterocyclic Chem., 2011. |
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