1-(2,4-dihydroxy-5-propionylphenyl)-1-propanone Chemische Eigenschaften,Einsatz,Produktion Methoden
synthetische
Preparation by Fries rearrangement of resorcinol dipropionate,
in the presence of zinc chloride at 130° or at 180° (33%) ;
in the presence of aluminium chloride (2 equiv) in nitromethane at r.t. for 2 h (41%) or without solvent at 180° for 30 min (24%) ;
in the presence of titanium tetrachloride (2 equiv) in nitromethane at r.t. for 2 h (16%).
1-(2,4-dihydroxy-5-propionylphenyl)-1-propanone Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Downstream Produkte