5,7-Dihydroxy-4-methylcoumarin can be obtained by reacting phloroglucinol and ethylacetoacetate via Pechmann condensation in the presence of sulfuric acid.;5,7-Dihydroxy-4-methylcoumarin can be obtained by reacting phloroglucinol and ethylacetoacetate via Pechmann condensation in the presence of sulfuric acid.5,7-Dihydroxy-4-methylcoumarin may be used in the synthesis of pyrano[2,3-h]coumarin derivatives and 5,7-dihydroxy-8-formyl-4-methylcoumarin.