1-(2,4-dihydroxy-5-propionylphenyl)-1-propanone 化学特性,用途語,生産方法
製造方法
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 上流と下流の製品情報
原材料
準備製品