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Synthesis of Indenes via Brønsted Acid Catalyzed Cyclization of Diaryl- and Alkyl Aryl-1,3-dienes

Dahan Eom, Sangjune Park, Youngchul Park, Taekyu Ryu and Phil Ho Lee*

*Department of Chemistry, Kangwon National University, Chuncheon 200-701, Republic of Korea, Email: phleekangwon.ac.kr

D. Eom, S. Park, Y. Park, T. Ryu, P. H. Lee, Org. Lett., 2012, 14, 5392-5395.

DOI: 10.1021/ol302271w


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Abstract

A Brønsted acid catalyzed cyclization of diaryl- and alkyl aryl-1,3-dienes allows the synthesis of substituted indenes in good to excellent yields under mild conditions in the presence of a catalytic amount of trifluoromethanesulfonic acid.

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Key Words

Indenes


ID: J54-Y2012-3450