Abstract
Conditions were developed for the synthesis and production of 1-aryl-5-alkyl(aryl)-3H- and 1-aryl-5-alkyl(aryl)-5H-pyrrolin-2-ones from the amides and esters of 4-oxoalkanoic acids. It was established that the yield and ratio of the 3H and 5H isomers depend on the substrate employed in the reaction.
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Egorova, A.Y., Sedavkina, V.A. & Timofeeva, Z.Y. Heterocyclization of Derivatives of 4-Oxoalkanoic Acids to 1,5-Disubstituted Pyrrolin-2-ones. Chemistry of Heterocyclic Compounds 37, 694–697 (2001). https://doi.org/10.1023/A:1011957011038
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DOI: https://doi.org/10.1023/A:1011957011038