反应详情

N-carboxy-L-alanine anhydride and N-carboxy-γ-methyl-L-glutamic acid anhydride were added to benzene at a molar ratio of 9:1 and 1.8 wt % in total, and the mixture was stirred at 55° C.-65° C. for 3-4 days to give a poly-L-alanine/γ-methyl-L-glutamic acid copolymer (molar ratio 9:1).