2-(chloromethyl)-4-methoxy-3,5-dimethylpyridinium hydrochloride 、 methyl 6-(2-{4-[(5-methoxy-2-mercaptobenzimidazolyl)sulfonyl]-3,5-dimethylphenoxy}acetylamino)hexanoate 在
potassium carbonate 作用下,
以
DMF (N,N-dimethyl-formamide) 为溶剂,
反应 6.0h,
以70%的产率得到methyl 6-{2-[4-({5-methoxy-2-[(4-methoxy-3 5-dimethyl(2-pyridyl))methylthio]benzimidazolyl}sulfonyl)-3,5-dimethylphenoxy]acetylamino}hexanoate