3-[5-(3-chloro-benzoylamino)-2-methyl-phenoxymethyl]-thieno[3,2-c]pyridine-7-carboxylic acid (2-hydroxy-ethyl)-amide 、
对甲苯磺酸 以
甲醇 为溶剂,
反应 0.5h,
以92%的产率得到3-[5-(3-chloro-benzoylamino)-2-methyl-phenoxymethyl]-thieno[3,2-c]pyridine-7-carboxylic acid (2-hydroxy-ethyl)-amide toluene-4-sulfonic acid salt