EntityQ900411· pop 9· linked from 231 articlesPechmann condensationSign in to saveNamed reaction for synthesis of coumarinsConnectionssulfuric acidEntityGermanyCountryWayback MachineEntitydigital object identifierEntityphenolEntitycarboxylic acidEntitycatalysisEntityesterEntityQ180686EntitychemistEntitycarbonylEntityDL-malic acidEntityaluminum chlorideEntityphosphorus pentoxideEntityresorcinEntityFriedel–Crafts reactionEntitytransesterificationEntityaldol condensationEntityumbelliferoneEntitymethanesulfonic acidEntityCategoriesCondensation reactionsName reactionsOxygen heterocycle forming reactions