Ytterbium perfluorooctanesulfonate as an efficient and recoverable catalyst for the synthesis of trisubstituted imidazoles |
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| Authors: | Ming-Gui Shen Wen-Bin Yi |
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| Institution: | Chemical Engineering College, Nanjing University of Science & Technology, Nanjing 210094, China |
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| Abstract: | Synthesis of trisubstituted imidazoles was successfully accomplished using rare earth(III) perfluorooctanesulfonates (RE(OPf)3), RE = Sc, Y, La-Lu as catalysts in fluorous solvents. Ytterbium perfluorooctanesulfonates (Yb(OPf)3) catalyze the high efficient synthesis of trisubstituted imidazoles in fluorous solvents. By simple separation, fluorous phase containing only catalyst can be reused several times. |
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| Keywords: | Trisubstituted imidazoles Fluorous biphasic catalysis Rare earth(III) perfluorooctanesulfonates Perfluorocarbon |
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