Bierman, Muselian and Lucas
(3,4,7,8,9,10-hexahydro-6, 10 -6H-pyridazino [1,2-a] [1,2] diazepine-1-carboxylic-acid derivatives
A compound of the formula wherein R is alkyl or aralkyl of up to 18 carbon atoms, the amine function being optionally protected are used to prepare compounds of the formula in which R retains its previous meaning and the amine is optionally protected.
Aventis Pharma S.A.
C
C07K
inventional
Patrick Veronique Francis
Roussel Croco Brion