Indole 3-alkylation/vinylation under catalysis of the guanidinium ionic liquids |
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| Authors: | Kurosh Rad-Moghadam Masoumeh Sharifi-Kiasaraie |
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| Institution: | Chemistry Department, University of Guilan, PO Box 41335-19141, Rasht, Iran |
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| Abstract: | Two ionic liquids, N,N,N,N-tetramethylguanidinium trifluoroacetate (TMGT) and the unprecedented N,N,N,N-tetramethylguanidinium triflate (TMGTf), were used as catalyst solvents in condensations between indoles and arylaldehydes or 1,3-diketones providing a simple and efficient method for synthesis of bis(3-indolyl)methanes or casually 3-alkenylindoles due to stereoelectronic concerns of reactants. The ionic liquids are easily separated and reused for several times. |
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| Keywords: | Indole Aldehyde Bis(indolyl)alkane Ionic liquid 1 3-Diketone |
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