Pyrrole synthesis in ionic liquids by Paal-Knorr condensation under mild conditions |
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| Authors: | Bo Wang Jishuan Suo |
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| Affiliation: | State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China |
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| Abstract: | Paal-Knorr condensation of 2,5-hexandione with primary amines was successfully carried out in ionic liquids. Through investigating different ionic liquids, different reaction times, the reaction, using ionic liquids as solvent, exhibited simple product isolation procedure, improved yields and exclusive selectivity and the mild conditions and the avoidance of using toxic catalysts are also its special features. Recovery and reuse of ionic liquid are also satisfactory. |
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| Keywords: | Paal-Knorr Ionic liquid 2,5-Hexandione Primary amine Pyrrole |
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