lithium diisopropyl amide 、
2-氟-4-(三氟甲基)苯胺 、
7-Chloro-6-fluoro-5-oxo-1,2,3,5-tetrahydroindolizine-8-carboxylic acid 在
四氢呋喃 、
盐酸 、
乙醚 、
6-fluoro-7-(2-fluoro-4-trifluoromethyl-phenylamino)-5-oxo-1,2,3,5-tetrahydro-indolizine-8-carboxylic acid 作用下,
以
四氢呋喃 为溶剂,
反应 19.25h,
以to afford 150 mg (37% yield) of 6-fluoro-7-(2-fluoro-4-trifluoromethyl-phenylamino)-5-oxo-1,2,3,5-tetrahydro-indolizine-8-carboxylic acid as the required product的产率得到6-fluoro-7-(2-fluoro-4-trifluoromethyl-phenylamino)-5-oxo-1,2,3,5-tetrahydro-indolizine-8-carboxylic acid