Improved process for the synthesis of alpha-((dialkylamino)substituted-methylene)-beta-oxo-(substituted) propanenitriles
申请人:AMERICAN CYANAMID COMPANY
公开号:EP0486782A1
公开(公告)日:1992-05-27
A novel process for producing a-[(dialkylamino)substituted-methylene]b-oxo-(substituted) propanenitriles of the formula:
where R, R₁ and R₂ are defined in the specification by reacting a substituted isoxazole with a diaklylamide dimethylacetal is provided.
一种生产式中 a-[(二烷基氨基)取代亚甲基]b-氧代-(取代)丙腈的新工艺:
其中 R、R₁ 和 R₂ 在说明书中定义,本发明通过使取代的异噁唑与二烷基酰胺二甲基乙缩醛反应制得。