申请人:Takeda Chemical Industries, Ltd.
公开号:US05554758A1
公开(公告)日:1996-09-10
A compound of the formula: A--CH.sub.2 CH.sub.2 --O--B [wherein A stands for an aromatic ring residue, a group shown by R.sup.1 --CO-- (wherein R.sup.1 stands for an aliphatic hydrocarbon residue, aromatic hydrocarbon residue, a heterocyclic residue, an aromatic alipahtic hydrocarbon residue or an alicyclic hydrocarbon residue) or R.sup.2 --CH.dbd.CH-- (wherein R.sup.2 stands for an aliphatic hydrocarbon residue an aromatic hydrocarbon residue a heterocyclic residue an aromatic aliphatic hydrocarbon residue or an alicyclic hydrocarbon residue), and B stands for an aromatic ring residue], can be obtained in high yield, at high purity level by short reaction time, by reacting a compound of the formula: A--CH.sub.2 CH.sub.2 --X (wherein A is of the same meaning as defined above, and X stands for a leaving group) with a compound represented by the general formula: MO--B (wherein M stands for an alkali metal atom or an alkaline earth metal atom and B is of the same meaning as defined above) in a non-aqueous solvent.
该式化合物:A-CH.sub.2 CH.sub.2-O-B [其中A代表芳香环残基,R.sup.1-CO-(其中R.sup.1代表脂肪烃残基、芳香烃残基、杂环残基、芳香脂肪烃残基或脂环烃残基)或R.sup.2-CH.dbd.CH-(其中R.sup.2代表脂肪烃残基、芳香烃残基、杂环残基、芳香脂肪烃残基或脂环烃残基),B代表芳香环残基],可通过在非水溶剂中将A-CH.sub.2 CH.sub.2-X(其中A的含义与上述相同,X代表离去基团)与MO-B(其中M代表碱金属原子或碱土金属原子,B的含义与上述相同)的化合物反应,高产率地获得高纯度水平的化合物,并且反应时间短。