3-[(二甲基氨基)甲基]-n-[2-[4-[(羟基氨基)羰基]苯氧基]乙基]-2-苯并呋喃羧酰胺 、 、
Water isopropylalcohol 、
对甲苯磺酸一水合物 以
水 为溶剂,
反应 0.5h,
以crystalline form I of abexinostat tosylate is obtained in a yield of about 85% and with a purity greater than 99%的产率得到3-[(dimethylamino)methyl]-N-[2-[4-(hydroxycarbamoyl)phenoxy]ethyl]-1-benzofuran-2-carboxamide;4-methylbenzenesulfonate