溴甲烷   、                                                                                      
4-[(4R)-6-[10-[[2-[hydroxy(diphenyl)methyl]-1,3-oxazol-5-yl]methyl-methylamino]decyl]-2,5-dioxo-1-[3-(trifluoromethyl)phenyl]-4,7-dihydro-3H-pyrrolo[3,4-d]pyrimidin-4-yl]benzonitrile                                                                                                                                                                                              以
                                                                                         
乙腈                                                                                  为溶剂,
                                                                                                                                                    反应 24.0h,
                                                                                                                以73%的产率得到10-[(4R)-4-(4-cyanophenyl)-2,5-dioxo-1-[3-(trifluoromethyl)phenyl]-4,7-dihydro-3H-pyrrolo[3,4-d]pyrimidin-6-yl]decyl-[[2-[hydroxy(diphenyl)methyl]-1,3-oxazol-5-yl]methyl]-dimethylazanium;bromide