2-<1-(2-nitrobenzylidene)acetonyl>-2-oxo-1,3,2-dioxaphosphorinane 、
methyl α-(tetrahydro-2-pyrrolidinylidene)acetate 以
乙腈 为溶剂,
反应 10.0h,
以66%的产率得到methyl 5-methyl-7-(2-nitrophenyl)-6-(2-oxo-1,3,2-dioxaphosphorinan-2-yl)-1,2,3,7-tetrahydroindolizine-8-carboxylate