benzyl 3-(5-amino-4-cyclohex-1-enyl-1-methyl-1H-pyrazol-3-yl)pyrrolidine-1-carboxylate   、                                                                                      
异氰酸乙酯                                                                                                                                                              在
                                                                                                                                                                                 
甲醇                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
吡啶                                                                                  为溶剂,
                                                                                                                                                    反应 24.0h,
                                                                                                                以to give the title compound (794 mg, 77%)的产率得到benzyl 3-(3-methyl-5-oxo-4,5,6,7,8,9-hexahydropyrazolo[3,4-c]isoquinolin-1-yl)pyrrolidine-1-carboxylate