4-chloro-5-methoxy-6-nitrobenzofuran-2-carboxylic acid 、
盐酸二甲胺 在
4-chloro-5-methoxy-N,N-dimethyl-6-nitrobenzofuran-2-carboxamide 、 silica gel 、 Isohexane ethyl acetate 作用下,
以gave 4-chloro-5-methoxy-N,N-dimethyl-6-nitrobenzofuran-2-carboxamide as a orange solid (850 mg, 66%)的产率得到4-chloro-5-methoxy-N,N-dimethyl-6-nitrobenzofuran-2-carboxamide