1-((2R,3S)-3-((R)-2,2-dimethyl-1,3-dioxolan-4-yl)-2,3-dihydroxypropyl)-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 22 (15 mg, 68%, 3:1 inseparable diastereomers) as colourless gum的产率得到6,6-dimethyl-1-((2R,3S,4R)-2,3,4,5-tetrahydroxypentyl)-5,6-dihydro-4H-imidazo[4,5,1-ij]quinolin-2(1H)-one