7-[[(7R)-8-cyclopentyl-7-ethyl-5-methyl-6-oxo-7H-pteridin-2-yl]amino]-2,3-dihydrobenzofuran-4-carboxylic acid 、
2-(1H-Benzotriazole-1-yl)-1,1,3,3-tetramethyluronium tetrafluoroborate 、
N,N-二异丙基乙胺 、
Cyclohexanamine, 4-(4-methyl-1-piperazinyl)-, trans- 、
disodium;carbonate 在
二氯甲烷 、
disodium;carbonate 、
水 、
氯化钠 、
Sodium sulfate-III 、 silica gel 、
7-[[(7R)-8-cyclopentyl-7-ethyl-5-methyl-6-oxo-7H-pteridin-2-yl]amino]-N-[(trans)-4-(4-methylpiperazin-1-yl)cyclohexyl]-2,3-dihydrobenzofuran-4-carboxamide 作用下,
以
二氯甲烷 为溶剂,
反应 3.0h,
以to obtain the title compound 7-[[(7R)-8-cyclopentyl-7-ethyl-5-methyl-6-oxo-7H-pteridin-2-yl]amino]-N-[(trans)-4-(4-methylpiperazin-1-yl)cyclohexyl]-2,3-dihydrobenzofuran-4-carboxamide 19 (190 mg, yield: 67.0%) as a white solid的产率得到7-[[(7R)-8-cyclopentyl-7-ethyl-5-methyl-6-oxo-7H-pteridin-2-yl]amino]-N-[(trans)-4-(4-methylpiperazin-1-yl)cyclohexyl]-2,3-dihydrobenzofuran-4-carboxamide