The invention relates to the pharmaceutical industry, in particular to a cationic inulin nicotinic acid grafted derivative and a preparation method and application thereof. The structural formula of the cationic inulin nicotinic acid grafted derivative is shown in a formula (1), wherein R2 is C1-C20 alkyl, phenyl or halogenated phenyl; X is F, Cl, Br or I; and the value range of polymerization degree n is 2-60. The method has the advantages of high reaction efficiency, easiness in popularization and easiness in obtaining required equipment and raw materials. Researches show that the synthesized cationic inulin nicotinic acid grafted derivative has good water solubility and excellent antibacterial activity, and can be widely applied to the field of medicines. Formula (1).
修改评论