1-(4-(4-(cyclobutylamino)-7H-pyrrolo[2,3-d]pyrimidin-2-ylamino)phenylsulfonyl)piperidin-4-ol 、
ethyl 2-(6-amino-2-oxo-3,4-dihydroquinolin-1(2H)-yl)acetate 、 以gave Ethyl 2-(6-(4-(cyclobutyamino)-7H-pyrrolo[2,3-d]pyrimidine-2-ylamino)-2-oxo-3,4-dihydroquinolin-1(2H)-yl)acetate (MS calcd for C23H26N6O3 434.2. found [MH] 435.2; UV 209.8, 304.5 nm)的产率得到ethyl 2-(6-(4-(cyclobutylamino)-7H-pyrrolo[2,3-d]pyrimidine-2-ylamino)-2-oxo-3,4-dihydroquinolin-1(2H)-yl)acetate