N-[2-cyclopropyl-4-oxo-9-(trifluoromethyl)-4H-pyrido[1,2-a]pyrimidin-3-yl]-3,3-dimethylbutanamide                                                                                                                                                              在
                                                                                                                                         palladium 10% on activated carbon                                                                                                                                                                                                                               
氢气                                                                                                                                  作用下,
                                                                                                                                                                                        反应 6.0h,
                                                                                                                以64%的产率得到N-[2-cyclopropyl-4-oxo-9-(trifluoromethyl)-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-3-yl]-3,3-dimethylbutanamide