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: phlee
kangwon.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
ID: J54-Y2012-3450
