NOVEL DERIVATIVES OF ACID (3,4,7,8,9,10-HEXAHYDRO-6,10-DIOXO-6H-PYRIDAZINO 1,2-A 1,2 DIAZEPINE-1-CARBOXYLIC, THEIR PROCESS FOR PREPARATION AND THEIR APPLICATION TO THE PREPARATION OF MEDICAMENTS

摘要

The subject of the invention is, as new chemical products, the compounds of formula (I): ## STR3 ## in which R represents an alkyl or aralkyl radical containing up to 18 carbon atoms, the function amine that can be free or protected. The products of formula (I) can be used to prepare the compounds of formula (III): ## STR3 ## in which R retains its previous meaning and the amine can be free or protected, used in the synthesis of drugs. / P