Triflic imide-catalyzed cascade cycloaddition and Friedel-Crafts reaction of diarylvinylidenecyclopropanes with ethyl 5,5-diarylpenta-2,3,4-trienoate.
Triflic imide-catalyzed cascade cycloaddition and Friedel-Crafts 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.
Li
Wei
W
State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 354 Fenglin Road, Shanghai 200032, China.
Shi
Min
M