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Other polycyclic compoundsQ 1150 Triflic Imide Catalyzed Cascade Cycloaddition and Friedel—Crafts Reaction of

Diarylvinylidenecyclopropanes with Ethyl 5,5-Diarylpenta-2,3,4-trienoate. — A variety of novel polycyclic ester derivatives is obtained under mild conditions. — (LI, W.; SHI*, M.; Org. Biomol. Chem. 7 (2009) 9, 1775-1777; State Key Lab. Organomet. Chem., Shanghai Inst. Org. Chem., Chin. Acad. Sci., Shanghai 200032, Peop. Rep. China; Eng.) — S. Adam

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