5-fluoro-N-methyl-4,7-dihydroindole 、
ethyl 4-phenyl-2-oxobut-3-enoate 在
1,1,1-trifluoro-N-(4-oxido-2,6-bis(2,4,6-triisopropylphenyl)dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-yl)methanesulfonamide 作用下,
以
乙醚 为溶剂,
反应 12.17h,
以84%的产率得到ethyl 4-(5-fluoro-1-methyl-4,7-dihydro-1H-indol-2-yl)-2-oxo-4-phenylbutanoate