tert-butyl 4-[(2S)-3-[[7-[[(7R)-8-cyclopentyl-7-ethyl-5-methyl-6-oxo-7H-pteridin-2-yl]amino]-2,3-dihydrobenzofuran-4-carbonyl]amino]-2-hydroxy-propyl]piperazine-1-carboxylate 、 、
盐酸 、
碳酸氢钠 、
对甲苯磺酸甲酯 在
乙腈 、
二氯甲烷 、
氯化钠 、
magnesium sulfate 、 silica gel 、
7-[[(7R)-8-cyclopentyl-7-ethyl-5-methyl-6-oxo-7H-pteridin-2-yl]amino]-N-[(2S)-2-hydroxy-3-(4-methylpiperazin-1-yl)propyl]-2,3-dihydrobenzofuran-4-carboxamide 作用下,
以
二氯甲烷 、
1,4-二氧六环 、
水 为溶剂,
反应 12.5h,
以to obtain the title compound 7-[[(7R)-8-cyclopentyl-7-ethyl-5-methyl-6-oxo-7H-pteridin-2-yl]amino]-N-[(2S)-2-hydroxy-3-(4-methylpiperazin-1-yl)propyl]-2,3-dihydrobenzofuran-4-carboxamide 8 (150 mg, yield: 30.0%) 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)-2-hydroxy-3-(4-methylpiperazin-1-yl)propyl]-2,3-dihydrobenzofuran-4-carboxamide