(S)-3-[(4-carboxymethyl-thiazol-2-yl)imino]-1,5,10,10a-tetrahydrothiazolo-[3,4-b]isoquinoline 在
sodium hydroxide 作用下,
以
水 为溶剂,
生成 (S)-3-[(4-ethoxycarbonylmethylthiazol-2-yl)imino]-1,5,10,10a-tetrahydrothiazolo[3,4-b]isoquinoline 、
(S)-3-[(4-Carboxymethylthiazol-2-yl)imino]-1,5,10,10a-tetrahydrothiazolo[3,4-b]isoquinoline sodium salt