Maleic anhydride was esterificated with methanol,then isomerized with aluminum trichloride to obtain monomethy fumarate(MMF).

• 以马来酸酐和甲醇为原料,经酯化及异构化得到富马酸单甲酯,再经酰氯化得到富马酸单甲酯单酰氯。