N-(2-bromo-5-chloro-pyridin-3-yl)-4-chloro-N-methoxymethyl-3-methyl-benzenesulfonamide 、
N,2-dimethoxy-N,6-dimethylbenzamide 在
silica gel 作用下,
生成 4-chloro-N-[5-chloro-2-(2-methoxy-6-methyl-benzoyl)-pyridin-3-yl]-N-methoxymethyl-3-methyl-benzenesulfonamide