N,N-二甲基乙醇胺   、                                                                                      
(4R)-3-[2-[2-[2-[[2-[(4R)-5-carboxy-4-(4-cyanophenyl)-6-methyl-2-oxo-1-[3-(trifluoromethyl)phenyl]-4H-pyrimidin-3-yl]acetyl]amino]ethyl-methylamino]ethylamino]-2-oxoethyl]-4-(4-cyanophenyl)-6-methyl-2-oxo-1-[3-(trifluoromethyl)phenyl]-4H-pyrimidine-5-carboxylic acid                                                                                                                                                              在
                                                                                                                                                                                 
4-二甲氨基吡啶   、                                                                                                  
盐酸-N-乙基-Nˊ-(3-二甲氨基丙基)碳二亚胺                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                    反应 50.0h,
                                                                                                                以21%的产率得到2-(dimethylamino)ethyl (4R)-4-(4-cyanophenyl)-3-[2-[2-[2-[[2-[(4R)-4-(4-cyanophenyl)-5-[2-(dimethylamino)ethoxycarbonyl]-6-methyl-2-oxo-1-[3-(trifluoromethyl)phenyl]-4H-pyrimidin-3-yl]acetyl]amino]ethyl-methylamino]ethylamino]-2-oxoethyl]-6-methyl-2-oxo-1-[3-(trifluoromethyl)phenyl]-4H-pyrimidine-5-carboxylate