[(1S,2R)-2-(8-iodo-pyrido[4,3-d]pyrimidin-2-ylamino)-cyclohexyl]-carbamic acid tert-butyl ester 、
1-甲基-1H-吡唑-4-硼酸 以The title compound (41.6% yield) is obtained as yellow solid的产率得到{(1S.2R)-2-[8-(1-methyl-1H-pyrazol-4-yl)-pyrido[4,3-d]pyrimidin-2-ylamino]cyclohexyl}-carbamic acid tert-butyl ester