4-({3-methyl-4-[(6-methylpyridin-3-yl)oxy]phenyl}amino)-8,9-dihydro-7H-pyrimido[4,5-b]azepine-6-carboxylic acid 、
2-[(2-aminoethyl)sulfonyl]ethanol hydrochloride 、
盐酸-N-乙基-Nˊ-(3-二甲氨基丙基)碳二亚胺 、
1-羟基苯并三唑一水物 以
N,N-二甲基甲酰胺 、
三乙胺 为溶剂,
以to give the title compound (84 mg) as colorless crystals的产率得到N-{2-[(2-hydroxyethyl)sulfonyl]ethyl}-4-({3-methyl-4-[(6-methylpyridin-3-yl)oxy]phenyl}amino)-8,9-dihydro-7H-pyrimido[4,5-b]azepine-6-carboxamide