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