7-methoxy-10-carboxy-1,2,3,5,10,10a-hexahydropyrrolo<1,2-b>-isoquinolin-5-one 在
sodium tetrahydroborate 、
氯化亚砜 作用下,
生成 7-methoxy-10-hydroxymethylene-1,2,3,5,10,10a-hexahydropyrrolo<1,2-b>-isoquinolin-5-one 、 7-methoxy-10-hydroxymethylene-1,2,3,5,10,10a-hexahydropyrrolo<1,2-b>-isoquinolin-5-one