无水K_2CO_3催化合成α-呋喃丙烯酸

Synthesis of α-furanacrylic Acid Using Anhydrous Potassiuim Carbonate as Catalyst

以呋喃甲醛和乙酸酐为原料,采用Perkin反应合成α-呋喃丙烯酸,并对影响产物产率的因素进行了研究.结果表明,α-呋喃丙烯酸最佳的合成条件为:n(呋喃甲醛):n(无水K2CO3):n(乙酸酐)=1∶0.56∶2.33,在150℃下回流反应30 min,α-呋喃丙烯酸产率可达71.6%.产物的结构用FT-IR进行了确证.

α-furanacrylic acid was synthesized by perkin reaction of furfural and acetic anhydride, and factors influencing the yield were studied. It was found that when n （furfural）：n （anhydrous potassiuim carbonate） ：n（acetic anhydride）=1：0.56：2.33, and anhydrous potassium carbonate was as catalyst, the reaction was carried out for 30 min at 150 ℃, the yield of α-furanacrylie acid was kept about 68.00 %. And α-furanacrylic acid was determined by FT-IR .