methyl 3-(allyloxy)-5-(4-(((2-methyl-3-nitrophenyl)amino)methyl)phenoxy)-benzoate 、
对氰基溴化苄 在
crude product 、 Crude product 、 silica gel 、
ethyl acetate n-hexane 作用下,
以to provide the desired pure product (11.6 g, 97% yield) as light yellow thick oil的产率得到methyl 3-(allyloxy)-5-(4-(((4-cyanobenzyl)(2-methyl-3-nitrophenyl)amino)methyl)phenoxy)benzoate