四氢吡咯 、
2-[4-[4-(4-amino-5-oxo-7,8-dihydropyrimido[5,4-f][1,4]oxazepin-6-yl)phenyl]cyclohexyl]acetic acid 在
2-(1h-Benzotriazole-1-yl)-1,1,3,3-tetramethyluronium hexafluorophosphate 、 silica gel 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 18.0h,
以Chromatography on silica gel (4 g, 1-5% methanol:dichloromethane) afforded the title compound (6A) as a white solid, 7 mg的产率得到4-amino-6-{4-[trans-4-(2-oxo-2-pyrrolidin-1-ylethyl)cyclohexyl]phenyl}-7,8-dihydropyrimido[5,4-f][1,4]oxazepin-5(6H)-one