Cinnamic acid was synthesized by Perkin reaction in anhydrous potassium carbonate as catalyst,ionic liquid as solvent.The optimal process conditions were obtained as follows:n（PhCHO）:n（Ac2O）:n（K2CO3）=1∶1.2∶1.1...Cinnamic acid was synthesized by Perkin reaction in anhydrous potassium carbonate as catalyst,ionic liquid as solvent.The optimal process conditions were obtained as follows:n（PhCHO）:n（Ac2O）:n（K2CO3）=1∶1.2∶1.1,and refluence time was 2h when the refluence temperature was 160℃.The yield of cinnamic acid could reach 80.8%.展开更多
The catalysis of potassium carbonate in perkin reaction for the preparation of a-furanaerylic acid was discussed and comparedwith that of sodium acetate. With K2CO3 the Perkin reaction of furfuraldehtyde can be carrie...The catalysis of potassium carbonate in perkin reaction for the preparation of a-furanaerylic acid was discussed and comparedwith that of sodium acetate. With K2CO3 the Perkin reaction of furfuraldehtyde can be carried out at lower temperature, in shorter time,with less catalyst in higher yield and with better repeatability.展开更多
文摘Cinnamic acid was synthesized by Perkin reaction in anhydrous potassium carbonate as catalyst,ionic liquid as solvent.The optimal process conditions were obtained as follows:n（PhCHO）:n（Ac2O）:n（K2CO3）=1∶1.2∶1.1,and refluence time was 2h when the refluence temperature was 160℃.The yield of cinnamic acid could reach 80.8%.
文摘The catalysis of potassium carbonate in perkin reaction for the preparation of a-furanaerylic acid was discussed and comparedwith that of sodium acetate. With K2CO3 the Perkin reaction of furfuraldehtyde can be carried out at lower temperature, in shorter time,with less catalyst in higher yield and with better repeatability.
