%0 Journal Article %T Chitosan as a Renewable Heterogeneous Catalyst for the Knoevenagel Reaction in Ionic Liquid as Green Solvent %A Nam T. S. Phan %A Ky K. A. Le %A Thien V. Nguyen %A Nhan T. H. Le %J ISRN Organic Chemistry %D 2012 %I Hindawi Publishing Corporation %R 10.5402/2012/928484 %U http://dx.doi.org/10.5402/2012/928484