6-allyl-1,3-diethyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl ethyl allylphosphonate 在
Grubbs catalyst first generation 作用下,
以
二氯甲烷 为溶剂,
反应 4.0h,
以82%的产率得到(Z)-7,9-diethyl-7,9,3,5-dihydro-2-ethoxy-2-oxo-[1,2]oxaphosphocino[7,8-d]pyrimidine-8,10(3H,6H)-dione