propalanine

1.PASP-PEG block structure copolymer,comb shaped PASP-PEG block structure copolymer,aspartic acid and glycine,glutamic acid or propalanine copolymer are prepared.

还可以对聚天冬酸的侧链进行改性,引入烷或烯烃、反应活性高的酸酯、磺酸功能性团,使得到更广泛的应用。