Abstract
In this work we report the reaction between dialkyl acetylenedicarboxylates and enolic systems such as 5,5-dimethyl-1,3-cyclohexanedione, 1,3-cyclohexanedione, 4-hydroxycoumarin or 4-hydroxy-6-methylpyran-1-one in the presence of isoquinoline, which leads to new coumarin and pyranopyran derivatives. © 2010 Sociedade Brasileira de Química.
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Anary-Abbasinejad, M., Anaraki-Ardakani, H., Mosslemin, M. H., & Khavasi, H. R. (2010). Isoquinoline-catalyzed reaction between 4-hydroxycoumarin or 4-hydroxy-6-methylpyran-1-one and dialkyl acetylene dicarboxylates: Synthesis of coumarin and pyranopyrane derivatives. Journal of the Brazilian Chemical Society, 21(2), 319–323. https://doi.org/10.1590/S0103-50532010000200018
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