ethyl 5-(3,5-difluoro-benzenesulfonyl)-3-(2-{[(S)-1-(9H-fluoren-9-ylmethoxycarbonyl)-pyrrolidine-2-carbonyl]-amino}-4-morpholin-4-yl-benzoylamino)-6,6-dimethyl-5,6-dihydro-4H-pyrrolo[3,4-c]pyrazole-2-carboxylic acid ethyl ester                                                                                                                                                              在
                                                                                                                                                                                 petroleum ether   、                                                                                                  silica gel                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇   、                                                                                         
二氯甲烷   、                                                                                         
哌啶                                                                                  为溶剂,
                                                                                                                                                    反应 12.0h,
                                                                                                                以affording the title compound as pale yellow powder (0.15 g)的产率得到(S)-pyrrolidine-2-carboxylic acid {2-[5-(3,5-difluoro-benzenesulfonyl)-6,6-dimethyl-1,4,5,6-tetrahydro-pyrrolo[3,4-c]pyrazol-3-ylcarbamoyl]-5-morpholin-4-yl-phenyl}-amide