Ruthenium-Catalyzed Dimerization of Propiolates: A Simple Route to α‑Pyrones
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A ruthenium-catalyzed regioselective intermolecular multistep homo- and heterodimerization of substituted propiolates providing α-pyrone-5-carboxylates and α-pyrone-6-carboxylates is described. The synthetic utilities of α-pyrone derivatives are shown. The proposed mechanism is strongly supported by experimental evidence.
创建时间：
2016-02-18
