申请人:Takeda Chemical Industries, Ltd.
公开号:US04871868A1
公开(公告)日:1989-10-03
A method of producing substituted acetylenic compounds which comprises: reacting an organic compound having the general formula of A--X (I) wherein A represents a saturated or unsaturated aliphatic hydrocarbon residue of 1-20 carbon atoms which may have one or more substituents inactive in the reaction, and X represents a halogen atom or an arylsulfonyloxy group, with a metal acetylide having the general formula of M--C.tbd.C--B (II) wherein M represents an alkali metal, and B represents (a) a hydrogen, (b) a saturated or unsaturated hydrocarbon residue which may have one or more substituents inactive in the reaction, or (c) a saturated or unsaturated hydrocarbon residue which has a substituent having the general formula of --C.tbd.C--M (III) wherein M represents an alkali metal, in the presence of an alkyl-2-imidazolidinone having the general formula of ##STR1## wherein R.sup.1 and R.sup.2 independently represent a lower alkyl, and R.sup.3 represents a hydrogen or a lower alkyl.
一种生产取代乙炔化合物的方法,包括:将具有通式A--X(I)的有机化合物与具有通式M--C≡C--B(II)的金属乙炔炔基反应,在2-咪唑烷酮存在下进行。其中,A代表1-20个碳原子的饱和或不饱和脂肪烃基,可能有一个或多个在反应中不活性的取代基;X代表卤素原子或芳基磺酰氧基团;M代表碱金属;B代表(a)氢、(b)可能有一个或多个在反应中不活性的饱和或不饱和碳氢基,或(c)具有通式--C≡C--M(III)的取代基团,其中M代表碱金属;2-咪唑烷酮具有通式##STR1## 其中R.sup.1和R.sup.2独立表示较低的烷基,R.sup.3表示氢或较低的烷基。