methyl (S)-2-(2-isopropoxy-3,4-dioxocyclobut-1-enylamino)-3-[4-(2,6-naphthyridin-1-yloxy)phenyl]-propanoate 、 (S)-3-[4-(1-isoquinolylamino)phenyl]-2-(2-methoxy-3,4-dioxocyclobut-1-enylamino)propanoic acid 、
二乙胺 以
甲醇 为溶剂,
以73%的产率得到Methyl(S)-3-[4-(2,6-naphthyridin-1-yloxy)phenyl]-2-(2-N,N-diethylamino-3,4-dioxocyclobut-1-enylamino)propanoate