methyl 5-(((5aR,6S)-1-(4-fluorophenyl)-5a-methyl-5,5a,6,7,8,9-hexahydroimidazo[1,5-b]isoquinolin-6-yl)(hydroxy)methyl)thiophene-2-carboxylate 、
吡啶 、
戴斯-马丁氧化剂 在
碳酸氢钠 、
disodium;dioxido-oxo-sulfanylidene-λ6-sulfane 、
二氯甲烷 、
Sodium sulfate-III 、 Silica gel 、
乙酸乙酯 、 heptanes 作用下,
以
二氯甲烷 为溶剂,
反应 1.5h,
以Silica gel flash chromatography (20-100% ethyl acetate in heptanes) gave methyl 5-((5aR,6S)-1-(4-fluorophenyl)-5a-methyl-5,5a,6,7,8,9-hexahydroimidazo[1,5-b]isoquinoline-6-carbonyl)thiophene-2-carboxylate (113 mg, 0.25 mmol, 78% yield for steps (b)+(c)) as a solid的产率得到methyl 5-((5aR,6S)-1-(4-fluorophenyl)-5a-methyl-5,5a,6,7,8,9-hexahydroimidazo[1,5-b]isoquinoline-6-carbonyl)thiophene-2-carboxylate