Novo Nordisk A/s

Per O Sorensen

Knud Erik Andersen

Jesper F Lau

Ursula Sonnewald

Hans Petersen

Behrend Friedrich Lundt

Lars J Knutsen

Lars J Stray Knudsen

The invention relates to therapeutically active azaheterocyclic compounds and to pharmaceutical compositions comprising the compounds. The novel compounds are useful in treating a central nervous system ailment related to the GABA uptake.

N-substituted azaheterocyclic carboxylic acids

Novel N-substituted azaheterocyclic carboxylic acids and esters thereof in which a substituted alkyl chain forms part of the N-substituent, the compounds thus having the general formula I ##STR1## wherein Y is ##STR2## wherein R.sup.1 and R.sup.2 independently are C.sub.3-8 cycloalkyl phenyl or thienyl all of which may be optionally substituted with halogen, trifluoromethyl, C.sub.1-16 alkyl or C.sub.1-6 alkoxy;

Heterocyclic carboxylic acids

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Frederiksberg, Denmark

Per O Sorensen