Triflic imide-catalyzed cascade cycloaddition and FriedelâCrafts reaction of diarylvinylidenecyclopropanes with ethyl 5,5-diarylpenta-2,3,4-trienoates provided a variety of novel polycyclic ester derivatives in moderate to good yields under mild conditions.
三
氟甲基
亚胺催化的级联环加成和Friedel-Crafts反应,将二芳基
乙烯基环丙烷与乙基5,5-二芳基戊-2,3,4-
三烯酸酯反应,在温和条件下提供了多种新颖的多环酯衍
生物,产率中等至良好。