Citation: Yi Qun LI, Xin Ming XU, Mei Yun ZHOU. n-Butyl Pyridinium Nitrate as a Reusable Ionic Liquid Medium for Knoevenagel Condensation[J]. Chinese Chemical Letters, ;2003, 14(5): 448-450. shu

n-Butyl Pyridinium Nitrate as a Reusable Ionic Liquid Medium for Knoevenagel Condensation

Department of Chemistry, Jinan University, Guangzhou 510632

Received Date: 17 June 2002

Fund Project: The project sponsored by the Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry and partly supported by the Natural Science Foundation of Guangdong Province (Grant No 97104).

The Knoevenagel condensation of carbonyl substrates with active methylene compounds proceeds smoothly with ammonium acetate as catalyst in n-butyl pyridinium nitrate to afford the desired products of good purity in moderate yields.
- n-Butyl pyridinium nitrate,
- ionic liquid,
- Knoevenagel condensation
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