反応 #54975
ord-74b6859fd148429f92bec5fdefd4dd3d
反応条件
詳細条件
See reaction.notes.procedure_details.
実験手順
0.10 mole resorcinol and 0.12 mole sodium diethyl oxalacetate is heated to 80° C. for 1 hour in 60 ml concentrated phosphoric acid. 4-Carbethoxy-7-hydroxy-coumarin is thus obtained at an 80% yield in the form of a viscous oil.