2-(2-Cyclopropyl-4-iodo-imidazol-1-yl)-ethylamine   、                                                                                      
3-(4-二氟甲氧基-3-氟-苯基)-丙醛                                                                                                                                                                                                                                                                              140.0 ℃
                                                                                                                            、93.33 MPa
                                                                                条件下,
                                                                                                                反应 0.17h,
                                                                                                                以afforded 3-cyclopropyl-8-[2-(4-difluoromethoxy-3-fluoro-phenyl)-ethyl]-1-iodo-5,6,7,8-tetrahydro-imidazo[1,5-a]pyrazine的产率得到3-cyclopropyl-8-[2-(4-difluoromethoxy-3-fluoro-phenyl)-ethyl]-1-iodo-5,6,7,8-tetrahydro-imidazo[1,5-a]pyrazine