2-chloro-9-(tetrahydro-2H-pyran-2-yl)-N-(tetrahydro-2H-pyran-4-yl)-9H-purin-6-amine 、 2-(4-Amino-3-methoxyphenyl)-1-morpholinopropan-1-one 以to provide compound C260的产率得到2-(3-methoxy-4-{[6-(tetrahydro-2H-pyran-4-ylamino)-9H-purin-2-yl]amino}phenyl)-1-(morpholin-4-yl)propan-1-one