A series of water soluble N-maleyl chitosan and N-phthaloyl chitosan was synthesized in an acid homogeneous solution under room temperature.

• 利用马来酸酐和邻苯二甲酸酐在均相条件下与壳聚糖发生N酰化反应,制备了一系列水溶的N酰化壳聚糖。