Process for the production of alkyl-substituted unsaturated .delta.-lactams
AssigneeDeutsche Texaco Aktiengesellschaft
InventorsMartin Cherubim, Faisal Abodagga
Life of this patent
Estimating the term…
Abstract
Alkyl-substituted unsaturated .delta.-lactams are obtained by contacting monocyanoethylated ketones with an aqueous acid solution and permitting them to react. Alkyl-substituted unsaturated .delta.-lactams of this invention are valuable intermediate products useful for organic synthesis in the production of pharmaceuticals and plastics.
Claims5
A process for preparing 3,4 dimethyl-2-aza-cyclohexene (3)-one of the formula:
- comprising reacting 3-mono-.beta.--cyanoethyl-butanone-2 with a mixture consisting of a strong mineral acid in an aqueous or aqueous-alcoholic
A process for preparing 3,4-dimethyl-2-aza-cyclohexene (3)-one of the formula ##EQU4## comprising reacting 3-mono-.beta. -cyanoethyl-butanone-2 with a mixture consisting of concentrated sulfuric acid in an aqueous solution.
Dependencies are inferred from the claim text.