(S)-2-[[(S)-1-(Methoxycarbonylmethyl-carbamoyl)-2-((2R,3S,4R,5S,6R)-3,4,5-trihydroxy-6-hydroxymethyl-tetrahydro-pyran-2-yl)-ethyl]-(3-methoxycarbonyl-propionyl)-amino]-pentanedioic acid 在
lithium hydroxide 作用下,
以
甲醇 为溶剂,
生成 (S)-2-[[2-(Carboxymethyl-carbamoyl)-2-((2R,3S,4R,5S,6R)-3,4,5-trihydroxy-6-hydroxymethyl-tetrahydro-pyran-2-yl)-ethyl]-(3-carboxy-propionyl)-amino]-pentanedioic acid