Acetoacetic acid esterified gel polysaccharide and synthesis method thereof

According to the method, tert-butyl acetoacetate and gel polysaccharide are used as raw materials, acetoacetic acid esterified gel polysaccharide is synthesized through transesterification, the target product can be synthesized in one step, the reaction condition is mild, the separation and purification process is simple and convenient, and the yield is high. The preparation method has good application and popularization prospects. 以乙酰乙酸叔丁酯与凝胶多糖为原料，通过酯交换反应合成乙酰乙酸酯化凝胶多糖，本发明一步即可合成目标产物，反应条件温和，分离纯化工艺简便，产率较高。本制备方法具有很好的应用推广前景。