(+/-)-4-[5-(2-Methyl-cyclohexylcarbamoyl)-naphthalene-1-sulfonylamino]-piperidine-1-carboxylic acid tert-butyl ester 在
hydrochloride salt 作用下,
以
盐酸1,4-二恶烷 为溶剂,
反应 3.0h,
以afforded 48 (370 mg) as its hydrochloride salt that的产率得到5-(piperidin-4-ylsulfamoyl)-naphthalene-1-carboxylic acid (2-methyl-cyclohexyl)-amide