Diethyl 2,5-hexadienephosphonate 、
碘甲烷 、
crotyl phosphonate de diethyle 、
溴甲苯 以afforded 2.15 g of diethyl 1-methyl-2,5-hexadienephosphonate having a boiling point of 102° C. (3 mmHg) in yield of 93%的产率得到1-Methyl-2,5-hexadienphosphonsaeurediethylester