Patents Examined by Barbara Stuckey
  • Process for the synthesis of .alpha.-[(dialkylamino)substituted-methylene]-.beta.-oxo-(substituted)pr opanentriles
    Patent number: 5059709
    Abstract: A novel process for producing .alpha.-[(dialkylamino) substituted-methylene].beta.-oxo-(substituted) propanenitriles of the formula: ##STR1## where R, R.sub.1 and R .sub.2 are defined in the specification by reacting a substituted isoxazole with a diaklylamide dimethylacetal is provided.
    Type: Grant
    Filed: November 13, 1990
    Date of Patent: October 22, 1991
    Assignee: American Cyanamid Company
    Inventors: John P. Dusza, Robert F. Church