(S)-dimethyl 13,13,14,14,15,15,16,16,17,17,18,18,19,19,20,20-hexadecafluoro-25-hexyl-2-(2-methoxy-2-oxoethyl)-9-oxo-11,22-dioxa-2,8-diazahentriacontane-1,3-dicarboxylate 在
lithium hydroxide monohydrate hydrate 作用下,
以
四氢呋喃 、
甲醇 为溶剂,
以69%的产率得到(S)-2-(carboxymethyl)-13,13,14,14,15,15,16,16,17,17,18,18,19,19,20,20-hexadecafluoro-25-hexyl-9-oxo-11,22-dioxa-2,8-diazahentriacontane-1,3-dicarboxylic acid