1-(((3aR,4R,6aR)-6-methoxy-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)methyl)-6,6-dimethyl-5,6-dihydro-4H-imidazo[4,5,1-ij]quinolin-2(1H)-one 在
甲醇 、
二氯甲烷 作用下,
以
acetic acid monohydrate 为溶剂,
反应 3.0h,
以to afford compound 25 (45 mg, 72%) as colourless gum的产率得到1-(((2R,3S,4R)-3,4-dihydroxy-5-methoxytetrahydrofuran-2-yl)methyl)-6,6-dimethyl-5,6-dihydro-4H-imidazo[4,5,1-ij]quinolin-2(1H)-one