tert-butyl 4-[(2-{5-cyano-4-[(4-methyl-1H-indol-5-yl)amino]pyridin-3-yl}-1-benzofuran-5-yl)methyl]piperazine-1-carboxylate 在
mobile phase A 、
三氟乙酸 、
水 、 mobile phase B 、
乙腈 、
4-[(4-methyl-1H-indol-5-yl)amino]-5-[5-(piperazin-1-ylmethyl)-1-benzofuran-2-yl]nicotinonitrile 作用下,
以
trifluoracetic acid-dichloromethane 为溶剂,
反应 4.83h,
以to provide 46 mg (50%) of the trifluoroacetic salt of 4-[(4-methyl-1H-indol-5-yl)amino]-5-[5-(piperazin-1-ylmethyl)-1-benzofuran-2-yl]nicotinonitrile 540 as an orange solid的产率得到4-[(4-methyl-1H-indol-5-yl)amino]-5-[5-(piperazin-1-ylmethyl)-1-benzofuran-2-yl]nicotinonitrile