Carbamate derivatives of 4-amino-3-isoxazolidinone, 3-amino-1-hydroxypyrrolidin-2-one and 1-amino-1-cyclopropanecarboxylic acid homologs, methods for their preparation and their use as medicaments

摘要

The present invention provides carbamate derivatives of 4-amino-3-isoxazolidinone, 3-amino-1-hydroxypyrrolidin-2-one and 1-amino-1-cyclopropanecarboxylic acid homologue of general formula (I). And their preparation as a medicament.;Wherein R ₁ is;R ₂ is;or;to be.;The compounds are useful for alleviating various memory dysfunctions characterized by cholinergic deficiencies such as Alzheimer's disease.