159634-59-0
2,3-二氢-3-氧代螺[1H-茚-1,4’-哌啶]-1’-甲酸叔丁酯
→
~84%
180465-55-8
螺[1H-茚-1,4-哌啶]-3(2H)-酮
137419-24-0
1H-螺[茚-1,4-哌啶]-1-羧酸叔丁酯