申请人:Takeda Chemical Industries, Ltd.
公开号:EP0284237A1
公开(公告)日:1988-09-28
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≡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 susbstituent having the general formula of
-C≡C-M (III)
wherein M represents an alkali metal, in the presence of an alkyl-2-imidazolidinone having the generalformula of
wherein R¹ and R² independently represent a lower alkyl, and R³ represents a hydrogen or a lower alkyl.
一种生产取代乙炔化合物的方法,包括: 使通式为
A-X (I)
其中 A 代表 1-20 个碳原子的饱和或不饱和脂肪族烃残基,该残基可以有一个或多个在反应中不活泼的取代基,X 代表卤素原子或芳基磺酰氧基,与通式为
M-C≡C-B (II)
其中 M 代表碱金属,B 代表(a)氢,(b)饱和或不饱和烃残基,该烃残基可能具有一个或多个在反应中不活泼的取代基,或(c)饱和或不饱和烃残基,该烃残基具有通式为
-C≡C-M (III)
其中 M 代表碱金属,在具有通式为
其中 R¹ 和 R² 各自代表低级烷基,R³ 代表氢或低级烷基。