| abstract |
Process for the preparation of piperazine-1- (N-aryl-N '' - cyano) -carboximidamides 4-substituted, of the general formula ** (Formula) ** where R1 represents hydrogen or methoxy and R2 represents alkenyl with 3 C5, benzoyl, furoyl, thienylcarbonyl, cyclopentylcarbonyl, C2-5alkoxycarbonyl, C4 or C5 alkenyloxycarbonyl, (2-hydroxy-alkoxy) -carbonyl with 4 or 5 carbon atoms 54 carbon atoms. |