Ruthenium-Catalyzed Dimerization of Propiolates: A Simple Route to α-Pyrones
Rajendran Manikandan and Masilamani Jeganmohan*
*Department of Chemistry, Indian Institute of Science Education and Research, Pune 411021, India, Email: mjeganmohaniiserpune.ac.in
R. Manikandan, M. Jeganmohan, Org. Lett., 2014, 16, 652-655.
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A ruthenium-catalyzed regioselective intermolecular multistep homo- and heterodimerization of substituted propiolates provides α-pyrone-5-carboxylates and α-pyrone-6-carboxylates. The proposed mechanism is strongly supported by experimental evidence.
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