3,4-ジクロロ-4'-ヒドロキシベンゾフェノン 化学特性,用途語,生産方法
製造方法
Preparation by reaction of 3,4-dichlorobenzoyl chloride,
? with phenol in the presence of aluminium chloride;
? with phenetole in the presence of aluminium chloride in carbon disulfide at r.t. overnight (40%);
? with anisole in the presence of aluminium chloride at 70° for 4 h, followed by demethylation of the obtained ketone with 48% hydrobromic acid in refluxing acetic acid for 47 h.
3,4-ジクロロ-4'-ヒドロキシベンゾフェノン 上流と下流の製品情報
原材料
準備製品