2-[4-[[(乙基氨基)羰基]氨基]苯基]-5,8-二氢-4-[(3s)-3-甲基-4-吗啉]-吡啶并[3,4-d]嘧啶-7(6h)-羧酸1,1-二甲基乙酯   、                                                                                      
叔丁基-5-(4,4,5,5-四甲基-1,3,2-二氧硼杂环戊烷-2-基)噻唑-2-基氨基甲酸   、                                                                                      (S)-4-(2-chloro-7-methyl-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidin-4-yl)-3-methylmorpholine                                                                                                                                                              在
                                                                                                                                                                                 
pivaloate   、                                                                                                  SCX2                                                                                                                                  作用下,
                                                                                                                                                                                                                            以affording (S)-5-(7-methyl-4-(3-methylmorpholino)-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidin-2-yl)thiazol-2-amine的产率得到(S)-5-(7-methyl-4-(3-methylmorpholino)-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidin-2-yl)thiazol-2-amine