Cycloisomerization of Conjugated Allenones into Furans under Mild Conditions Catalyzed by Ligandless Au Nanoparticles

Leandros Zorba, Marios Kidonakis, Iakovos Saridakis, Manolis Stratakis*

*Department of Chemistry, University of Crete, Voutes, 71003 Heraklion, Greece, Email: stratakisuoc.gr

L. Zorba, M. Kidonakis, I. Saridakis, M. Stratakis, Org. Lett., 2019, 21, 5552-5555.

DOI: 10.1021/acs.orglett.9b01869

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Abstract

Au nanoparticles supported on TiO₂ catalyze a cycloisomerization of conjugated allenones into furans under very mild conditions. The reaction rate is accelerated by acetic acid as additive. The heterogenous catalyst can be recycled and reused.

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Key Words

furans

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ID: J54-Y2019