A Convenient Synthesis of 2H-Pyran-2-one Derivatives from Substituted α-Dimethylaminomethyleneglutaconic Anhydride
A new one-step method for the preparation of 4-substituted 2H-pyran-2-one-5-carboxlyic acids and their derivatives (3-8) from α-dimethylaminomethylene-β-substituted-glutaconic anhydrides is described and a plausible mechanism suggested.The products have b
Deval, S. D.,Deodhar, K. D.
p. 1161 - 1163
(2007/10/02)
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