Abstract: The invention provides compounds of formula 1 wherein R1, R2, R3, and R4 are as defined, and their pharmaceutically acceptable salts. Compounds of formula 1 are indicated to have activity inhibiting cdk5, cdk2, and GSK-3. Pharmaceutical compositions and methods comprising compounds of formula 1 for treating and preventing diseases and conditions comprising abnormal cell growth, such as cancer, and neurodegenerative diseases and conditions and those affected by dopamine neurotransmission.

Abstract: The invention provides compounds of formula 1 wherein R1, R2, R3, and R4 are as defined, and their pharmaceutically acceptable salts. Compounds of formula 1 are indicated to have activity inhibiting cdk5, cdk2, and GSK-3. Pharmaceutical compositions and methods comprising compounds of formula 1 for treating and preventing diseases and conditions comprising abnormal cell growth, such as cancer, and neurodegenerative diseases and conditions and those affected by dopamine neurotransmission.

Abstract: The invention provides compounds of formula 1 1

Abstract: The invention provides compounds of formula 1 wherein R1, R2, R3, and R4 are as defined, and their pharmaceutically acceptable salts. Compounds of formula 1 are indicated to have activity inhibiting cdk5, cdk2, and GSK-3. Pharmaceutical compositions and methods comprising compounds of formula 1 for treating and preventing diseases and conditions comprising abnormal cell growth, such as cancer, and neurodegenerative diseases and conditions and those affected by dopamine neurotransmission.

Abstract: The present invention provides a method of treating or preventing a novelty-seeking disorder such as pathological gambling, attention deficit disorder with hyperactivity disorder, substance addiction, drug addiction, alcohol addiction and sex addiction, using a compound which is a dopamine D4 receptor ligand, or a pharmaceutically acceptable salt thereof.

Abstract: The present invention provides a method of treating or preventing a novelty-seeking disorder such as pathological gambling, attention deficit disorder with hyperactivity disorder, substance addiction, drug addiction, alcohol addiction and sex addiction. using a compound which is a dopamine D4 receptor ligand, or a pharmaceutically acceptable salt thereof.

Abstract: The present invention provides a method of treating or preventing a novelty-seeking disorder, such as pathological gambling, attention deficit disorder with hyperactivity disorder and sex addiction, comprising administering a compound which is a dopamine D4 receptor ligand, or a pharmaceutically acceptable salt thereof.

Abstract: The invention provides compounds of formula 1 1

Abstract: The present invention provides a method of treating or preventing a novelty-seeking disorder such as pathological gambling, attention deficit disorder with hyperactivity disorder, substance addiction, drug addiction, alcohol addiction and sex addiction. using a compound which is a dopamine D4 receptor ligand, or a pharmaceutically acceptable salt thereof.

Abstract: This invention relates to compounds of formula (IA), (IB), (IC) or (ID), wherein m, X, Z, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.14 and the dotted lines are as defined below, their pharmaceutically acceptable salts, pharmaceutical compositions containing them and methods of using them to treat Alzheimer's disease, age-associated memory impairment, Parkinson's disease and other central nervous system disorders. The claimed compounds have the ability to enhance the release of neurotransmitters such as acetylcholine, dopamine and serotonin.

Abstract: Combinations having synergistic anxiolytic activity which comprise a first component selected from the group consisting of 8-hydroxy-2-(dipropylamino)-1,2,3,4-tetrahydronaphthalene, gepirone, ipsapirone, tandospirone, (7S,9S)-2-(2-pyrimidyl)-7-(succinimidomethyl)-perhydro-1H-pyrido[1,2-a]pyr azine, or chlordiazepoxide; and a second component selected from the group consisting of 1-(2-pyrimidyl)pyrazine and idazoxan.

Abstract: Combinations having synergistic anxiolytic activity which comprise a first component selected from the group consisting of 8-hydroxy-2-(dipropylamino)-tetralin, gepirone, ipsapirone, tandospirone, (7S,9S)-2-pyrimidyl)-7-(succinimidomethyl)-perhydro-1H-pyrido[1,2-a]pyrazi ne, or chlordiazepoxide; and a second component selected from the group consisting of 1-(2-pyrimidyl)pyrazine and idazoxan.