3-[4-(2,6-Dioxo-1,3-dipropyl-2,3,6,7-tetrahydro-1H-purin-8-yl)-bicyclo[2.2.2]oct-1-yl]-propionic acid chloromethyl ester 、
呋塞米 在
三乙胺 、 sodium iodide 作用下,
以
DMF (N,N-dimethyl-formamide) 为溶剂,
反应 1.0h,
以58%的产率得到4-chloro-2-[(furan-2H-ylmethyl)-amino]-5-sulfamoyl-benzoic acid 3-[4-(2,6-dioxo-1,3-dipropyl-2,3,6,7-tetrahydro-1H-purin-8-yl)-bicyclo[2.2.2]oct-1-yl]-propionyloxymethyl ester