N-(2-{6-[2-(Dimethoxy-phosphoryl)-acetyl]-benzo[1,3]dioxol-5-yl}-ethyl)-5,6-dimethoxy-isophthalamic acid methyl ester 在
sodium hydride 作用下,
以
四氢呋喃 为溶剂,
以83%的产率得到(2-{6-[2-(4,5-Dimethoxy-1,3-dioxo-1,3-dihydro-isoindol-2-yl)-ethyl]-benzo[1,3]dioxol-5-yl}-2-oxo-ethyl)-phosphonic acid dimethyl ester