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Condensación de Pechmann - Wikipedia, la enciclopedia libre
Synthesis of coumarins via Pechmann reaction catalyzed by 3-methyl-1-sulfonic acid imidazolium hydrogen sulfate as an efficient, halogen -free and re ... - Catalysis Science & Technology (RSC Publishing) DOI:10.1039/C2CY20196H
Pechmann condensation - Wikipedia
Mechanism of the Pechmann Reaction: A Theoretical Study | The Journal of Organic Chemistry
Insight into the Mechanism of the Pechmann Condensation Reaction Using NMR | The Journal of Organic Chemistry