Method of making amides of dimethylamine and piperazine

Claim 1

THE PROCESS OF PRODUCING AN AMIDE WHICH COMPRISES BRINGING (1) AN ANHYDROUS AMINE OF THE CLASS CONSISTING OF DIMETHYLAMINE AND PIPERAZINE AND (2) AN ANHYDROUS CARBOXYLIC ACID ESTER INTO REACTIVE RELATION OF A TEMPERATURE BETWEEN 20*C. AND 60*C. IN THE PRESENCE OF AN ALKOXIDE OF AN ALKALI METAL OF THE GLASS CONSISTING OF SODIUM AND POTASSIUM IN WHICH THE ALKYL GROUP CONTAINS 1 TO 4 CARBON ATOMS, THE CARBOXYLIC ACID COMPRISING 1 TO 4 CARBOXYL GROUPS ATTACHED TO A SATURATED OR UNSATURATED, CYCLIC OR ACYCLIC, ALIPHATIC-HYDROCARBON OR AROMATIC-HYDROCARBON OR HYDROXY-SUBSTITUTED-HYDROCARBON OR KETO SUBSTITUTED-HYDROCARBON CHAIN OF 2 TO 21 CARBON ATOMS, AND THE ESTER GROUP BEING DERIVED FROM ALCOHOLS OF 1 TO 8 CARBON ATOMS, EXCEPT TERTIARY ALCOHOLS; PRODUCING A DIMETHYLAMIDE IN THE REACTION WITH DIMETHYLAMINE AND PRODUCING A HALF-AMIDE, HALF-AMINE OF PIPERAZINE IN THE REACTION WITH PIPERAZINE.