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| The Efficient Green Synthesis of N-ethylcarbazole |
| ABDUKADER Ablimit1a， ZHANG Yong-hong1a, LIU Chen-jiang1a,1b |
| a. College of Chemical and Chemical Engineering; b. Physics and Chemistry Detecting Center, 1. Xinjiang University, Urumqi 830046, China |
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Abstract Diethyl carbonate as the alkylating reagent, the efficient green Cs2CO3/TEBAC dual-catalyzed synthetic method of N-ethylcarbazole was developed. The structure was confirmed by 1H NMR and HR-ESI-MS． Under the optimized conditions［carbazole 200 mmol， diethyl carbonate 1.2eq， Cs2CO3 0.05 eq., TEBAC 0.05 eq.， at 180 ℃ for 3 h］, the yield was up to 99%.
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Received: 20 April 2015
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2016, Vol. 24 
