Abstract: The invention relates to substituted hexahydropyrazino[1,2-a]pyrimidine-4,7-dione derivatives substituted with amino acids, and to the physiologically tolerated salts thereof, processes for their preparation and their use as medicaments.

Abstract: Nitrogen-substituted hexahydropyrazino[1,2-a]pyrimidine-4,7-dione derivatives, processes for the preparation and their use as medicaments The invention relates to substituted hexahydropyrazino[1,2-a]pyrimidine-4,7-dione derivatives and to the physiologically tolerated salts and physiologically functional derivatives thereof. Compounds of the formula I in which the radicals have the stated meanings, and the physiologically tolerated salts thereof and processes for preparing them are described. The compounds are suitable for example as anorectic agents.

Abstract: The invention relates to heterocyclic substituted amide derivatives that display selective binding to dopamine D3 receptors. In another aspect, the invention relates to a method for treating central nervous system disorders associated with the dopamine D3 receptor activity in a patient in need of such treatment comprising administering to the subject a therapeutically effective amount of said compounds for alleviation of such disorder. The central nervous system disorders that may be treated with these compounds include Psychotic Disorders, Substance Dependence, Substance Abuse, Dyskinetic Disorders (e.g. Parkinson's Disease, Parkinsonism, Neuroleptic-Induced Tardive Dyskinesia, Gilles de la Tourette Syndrome and Huntington's Disease), Dementia, Anxiety Disorders, Sleep Disorders, Circadian Rhythm Disorders and Mood Disorders.

Abstract: The present invention is directed to a compound of Formula (XVI): (please replace Formula (I) with Formula (XVI) as shown below) wherein R, R2, R3, R4, R5, R6, R7 and n are as defined herein, or a pharmaceutically acceptable salt, hydrate, or solvate thereof, a pharmaceutically acceptable prodrug thereof, or a pharmaceutically acceptable salt, hydrate or solvate of the prodrug, a pharmaceutical composition comprising a pharmaceutically effective amount of one or more compounds according to Formula (XVI) in admixture with a pharmaceutically acceptable carrier, a method of treating a patient suffering from a PGD2-mediated disorder including, but not limited to, allergic disease (such as allergic rhinitis, allergic conjunctivitis, atopic dermatitis, bronchial asthma and food allergy), systemic mastocytosis, disorders accompanied by systemic mast cell activation, anaphylaxis shock, bronchoconstriction, bronchitis, urticaria, eczema, diseases accompanied by itch (such as atopic dermatitis and urticaria), dise

Abstract: The invention relates to substituted hexahydropyrazino[1,2-a]pyrimidine-4,7-dione derivatives substituted with amino acids, and to the physiologically tolerated salts thereof, processes for their preparation and their use as medicaments

Abstract: The invention relates to heterocyclic substituted carbonyl derivatives that display selective binding to dopamine D3 receptors. In another aspect, the invention relates is to a method for treating central nervous system disorders associated with the dopamine D3 receptor activity in a patient in need of such treatment comprising administering to the subject a therapeutically effective amount of said compounds for alleviation of such disorder. The central nervous system disorders that may be treated with these compounds include Psychotic Disorders, Substance Dependence, Substance Abuse, Dyskinetic Disorders (e.g. Parkinson's Disease, Parkinsonism, Neuroleptic-Induced Tardive Dyskinesia, Gilles de la Tourette Syndrome and Huntington's Disease), Dementia, Anxiety Disorders, Sleep Disorders, Circadian Rhythm Disorders and Mood Disorders.

Abstract: The invention relates to heterocyclic substituted amide derivatives that display selective binding to dopamine D3 receptors. In another aspect, the invention relates to a method for treating central nervous system disorders associated with the dopamine D3 receptor activity in a patient in need of such treatment comprising administering to the subject a therapeutically effective amount of said compounds for alleviation of such disorder. The central nervous system disorders that may be treated with these compounds include Psychotic Disorders, Substance Dependence, Substance Abuse, Dyskinetic Disorders (e.g. Parkinson's Disease, Parkinsonism, Neuroleptic-Induced Tardive Dyskinesia, Gilles de la Tourette Syndrome and Huntington's Disease), Dementia, Anxiety Disorders, Sleep Disorders, Circadian Rhythm Disorders and Mood Disorders.

Abstract: The present invention provides compounds of formula I: a stereoisomer or a pharmaceutically acceptable salt thereof, wherein the variables R1, R2, R3, R4, X and n are defined as defined herein. Additionally, a method for treating dopamine-related neurological disorders selected form the group consisting of neurological, psychological, cardiovascular, cognitive or attention disorders, substance abuse and addictive behavior, or a combination thereof, comprising administering to a patient in need of such treatment a therapeutically effective amount of compounds of formula I.

Abstract: The invention relates to heterocyclic substituted amide derivatives that display selective binding to dopamine D3 receptors. In another aspect, the invention relates to a method for treating central nervous system disorders associated with the dopamine D3 receptor activity in a patient in need of such treatment comprising administering to the subject a therapeutically effective amount of said compounds for alleviation of such disorder. The central nervous system disorders that may be treated with these compounds include Psychotic Disorders, Substance Dependence, Substance Abuse, Dyskinetic Disorders (e.g. Parkinson's Disease, Parkinsonism, Neuroleptic-Induced Tardive Dyskinesia, Gilles de la Tourette Syndrome and Huntington's Disease), Dementia, Anxiety Disorders, Sleep Disorders, Circadian Rhythm Disorders and Mood Disorders.

Abstract: Nitrogen-substituted hexahydropyrazino[1,2-a]pyrimidine-4,7-dione derivatives, processes for the preparation and their use as medicaments The invention relates to substituted hexahydropyrazino[1,2-a]pyrimidine-4,7-dione derivatives and to the physiologically tolerated salts and physiologically functional derivatives thereof. in which the radicals have the stated meanings, and the physiologically tolerated salts thereof and processes for preparing them are described. The compounds are suitable for example as anorectic agents.

Abstract: This invention relates to 3-[1-thiazolidinylbutyl-4-piperazinyl]-1H-indazoles of the formula ##STR1## where R.sub.1 and R.sub.2 are each independently hydrogen or loweralkyl or R.sub.1 and R.sub.2 taken together with the carbon atom to which they are attached form a cyclopentane, cyclohexane or cycloheptane ring; R.sub.3 and R.sub.4 are independently hydrogen or loweralkyl or R.sub.3 and R.sub.4 taken together with the carbon atom to which they are attached form a cyclopentane, cyclohexane or cycloheptane ring; R.sub.5 is hydrogen, loweralkyl, alkanoyl or aroyl; X is hydrogen, halogen, loweralkyl or alkoxy; m is an integer of 1 to 3, the pharmaceutically acceptable acid addition salts thereof and where applicable, the optical, geometrical and stereoisomers and racemic mixtures thereof. The compounds of this invention are useful as antipsychotic agents.