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Pyridinium salts—versatile reagents for the regioselective synthesis of functionalized thiazocino[2,3-b]indoles by tandem dinucleophilic reactions of thiooxindoles |
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| Authors: | Mostafa Kiamehr Firouz Matloubi MoghaddamVolodymyr Semeniuchenko Alexander VillingerPeter Langer Viktor O. Iaroshenko |
| Affiliation: | a Institut für Chemie, Universität Rostock, Albert-Einstein-Str. 3a, 18059 Rostock, Germany b Laboratory of Organic Synthesis and Natural Products, Department of Chemistry, Sharif University of Technology, PO Box 11155-9516, Tehran, Iran c National Taras Shevchenko University, 62 Volodymyrska st., 01033 Kyiv-33, Ukraine d Leibniz-Institut für Katalyse e.V. an der Universität Rostock, Albert-Einstein-Str. 29a, 18059 Rostock, Germany |
| Abstract: | The reaction of thiooxindoles with various 2- and 3-substituted pyridinium salts afforded a variety of functionalized thiazocinoindoles. The products have been prepared in good to excellent yields by regioselective dinucleophilic C/S-cyclocondensation of thiooxindoles with pyridinium salts. |
| Keywords: | Condensation Heterocycles Nucleophilic addition Pyridines Regioselectivity |
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