Реакция #54975

Уравнение реакции

resorcinol

sodium diethyl oxalacetate

→

4-Carbethoxy-7-hydroxy-coumarin

Выход 80.0%

Растворители

phosphoric acid

Условия реакции

Методика

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.

Источник