N4-cyclohexyl-5,6-dimethyl-N2-(pyridin-2-ylmethyl)pyrimidine-2,4-diamine hydrochloride   、                                                                                      
(4-甲基吡啶-2-基)甲胺   、                                                                                      
2-chloro-N-(4,4-difluorocyclohexyl)-5,6-dimethylpyrimidin-4-amine   、                                                                                                                                                                                                                                                    在
                                                                                                                                                                                 N4-(4,4-difluorocyclohexyl)-5,6-dimethyl-N2-[(4-methylpyridin-2-yl)methyl]pyrimidine-2,4-diamine   、                                                                                                  
乙醇                                                                                                                                  作用下,
                                                                                                                                                                                                                            以to afford the titled compound (45% yield) as the hydrochloride salt as a light-yellow solid的产率得到N4-(4,4-difluorocyclohexyl)-5,6-dimethyl-N2-[(4-methylpyridin-2-yl)methyl]pyrimidine-2,4-diamine