cyclohexylmethyl 6-ethyl-4-(3-hydroxy-4-nitrophenyl)-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate                                                                                                                                                              在
                                                                                                                                         palladium 10% on activated carbon                                                                                                                                                                                                                               
氢气                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                    反应 3.0h,
                                                                                                                以73%的产率得到cyclohexylmethyl 4-(4-amino-3-hydroxyphenyl)-6-ethyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate