%0 Journal Article %T An Efficient and Recyclable Ionic Liquid-Supported Proline Catalyzed Knoevenagel Condensation %A Chen Zhuo %A Dong Xian %A Wu Jian-wei %A Xie Hui %J ISRN Organic Chemistry %D 2011 %I Hindawi Publishing Corporation %R 10.5402/2011/676789 %U http://dx.doi.org/10.5402/2011/676789