3-(3,5-dichloro-4-{(E)-2-[2-nitro-4-(quinolin-2-ylcarbamoyl)-phenyl]-vinyl}-phenyl)-propionic acid tert-butyl ester 在
crude material 、 silica gel 、 ethyl acetate heptane 作用下,
以
亚磷酸三乙酯 为溶剂,
反应 3.0h,
以to obtain 3-{3,5-dichloro-4-[6-(quinolin-2-ylcarbamoyl)-1H-indol-2-yl]-phenyl}-propionic acid tert-butyl ester as a yellow solid的产率得到3-{3,5-dichloro-4-[6-(quinolin-2-ylcarbamoyl)-1H-indol-2-yl]-phenyl}-propionic acid tert-butyl ester