Ucb Societe Anonyme

Lucien Marchal

Ludovic Rodriguez

New lactam-N-acetic acids and amides thereof having the formula ##STR1## wherein R.sub.1 and R.sub.2 =H, C.sub.1 -C.sub.4 -alkyl, aryl or halogen-substituted aryl,

Lactam-N-acetic acids and their amides

New physiologically active N-substituted lactams having the formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6 and R.sub.7, represent independently a hydrogen atom, an alkyl radical containing 1 to 4 carbon atoms or a phenyl group, R.sub.8 is a hydrogen atom or R.sub.8 and R.sub.3 together form the ethylene or trimethylene radical, and n is 3, 4 or 5, processes for the preparation thereof and pharmaceutical compositions containing the same.

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Lillois, Belgium

Lucien Marchal