4-[4-benzyloxy-1-[3-methoxy-4-[N'-(2-methylphenyl)ureido]phenylacetyl]-2-pyrrolidinylmethoxy]-3-methoxybenzoate 、
acetic acid ethanol 在
钯 silica 、
chloroform ethanol 作用下,
反应 5.0h,
以v/v) as eluent to give 90 mg (24%) ethyl 4-[4-hydroxy-1-[3-methoxy-4-[N′-(2-methylphenyl)ureido]phenylacetyl]-2-pyrrolidinylmethoxy]-3-methoxybenzoate as a pale yellow oil的产率得到ethyl 4-[4-hydroxy-1-[3-methoxy-4-[N'-(2-methylphenyl)ureido]phenylacetyl]-2-pyrrolidinylmethoxy]-3-methoxybenzoate