、 7-[[(7R)-8-cyclopentyl-7-ethyl-5-methyl-6-oxo-7H-pteridin-2-yl]amino]-2,2-dimethyl-3H-benzofuran-4-carboxylic acid 、
(2S)-1-amino-3-(4-methylpiperazin-1-yl)propan-2-ol 、
2-(1H-Benzotriazole-1-yl)-1,1,3,3-tetramethyluronium tetrafluoroborate 、
N,N-二异丙基乙胺 、
碳酸氢钠 在
二氯甲烷 、
水 、
氯化钠 、
magnesium sulfate 、 silica gel 、
7-[[(7R)-8-cyclopentyl-7-ethyl-5-methyl-6-oxo-7H-pteridin-2-yl]amino]-N-[(2S)-3-(4-methylpiperazin-1-yl)-2-hydroxy-propyl]-2,2-dimethyl-3H-benzofuran-4-carboxamide 作用下,
以
二氯甲烷 为溶剂,
反应 2.0h,
以to obtain the title compound 7-[[(7R)-8-cyclopentyl-7-ethyl-5-methyl-6-oxo-7H-pteridin-2-yl]amino]-N-[(2S)-3-(4-methylpiperazin-1-yl)-2-hydroxy-propyl]-2,2-dimethyl-3H-benzofuran-4-carboxamide 21 (90 mg, yield: 45.0%) 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-[(2S)-3-(4-methylpiperazin-1-yl)-2-hydroxy-propyl]-2,2-dimethyl-3H-benzofuran-4-carboxamide