Derivatives of octahydro-6, 10-dioxo-6H-pyridazino 1,2-a 1,2 diazepine-1-carboxylic acid, their preparation process and their use in the preparation of therapeutically active compounds

摘要

A compound of the formula chemistry chemdraw filechemistry mol file;of SR configuration or a SRSS wherein R is selected from the group consisting of hydrogen, alkyl of up to 18 carbon atoms and aryl and aralkyl of up to 18 carbon atoms and the NH₂ is free or protected useful as intermediates.