4-(4-(5-amino-6-bromopyrazin-2-yl)phenyl)tetrahydro-2H-pyran-4-carbonitrile 、 8-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2,3,4,5-tetrahydro-1H-1,4-benzodiazepin-5-one 以to provide 4-(4-(5-amino-6-(5-oxo-2,3,4,5-tetrahydro-1H-benzo[e][1,4]diazepin-8-yl)pyrazin-2-yl)phenyl)tetrahydro-2H-pyran-4-carbonitrile as a yellow solid (87 mg, 33% yield)的产率得到4-(4-(5-amino-6-(5-oxo-2,3,4,5-tetrahydro-1H-benzo[e][1,4]diazepin-8-yl)pyrazin-2-yl)phenyl)tetrahydro-2H-pyran-4-carbonitrile