Sandoz Gmbh

Acf Chemiefarma N.v.

Magda Marko

Hendricus B Welle

6,7-Benzomorphan derivatives of formula I, ##STR1## wherein R.sub.1 is hydrogen; optionally hydroxy- and/or alkoxy-substituted alkyl, alkenyl, alkynyl, cycloalkyl or cycloalkylalkyl; alkenyloxyalkyl, aralkyl, arylhydroxyalkyl, aralkenyl or tetrahydrofurylalkyl; or optionally alkyl-substituted furylalkyl or isoxazolylalkyl, R.sub.2 is hydrogen or methyl, R.sub.3 is hydrogen, alkyl, alkenyl, alkynyl, aralkyl, hydroxyalkyl of alkoxyalkyl and R.sub.4 is hydrogen, hydroxy, alkoxy or alkenyloxy, hydroxy groups in said compounds being each optionally acylated, having analgesic and luteinising hormone secretion inhibiting properties.

Method of inhibiting luteinizing hormone secretion with 6,7-benzomorphan

Method of inhibiting luteinising hormone secretion in a subject, said method comprising administering an optionally 5-alkyl- or -phenyl- and/or 2'-hydroxy-, -alkoxy- or -acyloxy-substituted 9,9-dimethyl-6,7-benzomorphan derivative having an oxygen containing substituent at the N-atom.

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Binningen, Switzerland

Magda Marko