benzyl 2-((2-ethoxy-2-oxoethyl)(1H-pyrrolo[3,2-b]pyridin-3-yl)carbamoyl)pyrrolidine-1-carboxylate                                                                                                                                                              在
                                                                                                                                         
钯                                                                                                                                                                                                                               氢气   、                                                                                                  
methanol-dichloromethane                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                    反应 16.0h,
                                                                                                                以to provide 2-(1H-pyrrolo[3,2-b]pyridin-3-yl)-hexahydropyrrolo[1,2-a]pyrazine-1,4-dione in 83% yield as a yellow solid的产率得到2-(1H-pyrrolo[3,2-b]pyridin-3-yl)-hexahydropyrrolo[1,2-a]pyrazine-1,4-dione