methyl 3-[4-tert-butyl-2-(3-chloropyridin-4-yl)-N-(methoxymethyl)phenylsulfonamido]thiophene-2-carboxylate 、
盐酸 在
silica gel 、 ethyl acetate hexanes 作用下,
以
四氢呋喃 为溶剂,
以yielded the title product as a clear oil (15.2 mg)的产率得到methyl 3-[4-tert-butyl-2-(3-chloropyridin-4-yl)phenylsulfonamido]thiophene-2-carboxylate