Abstract: This invention provides compounds of formula I, wherein R is hydrogen or alkyl of 1–6 carbon atoms; R? is hydrogen, alkyl of 1–6 carbon atoms, acyl of 2–7 carbon atoms, or aroyl; R1, R2, R3, and R4 are each, independently, hydrogen, alkyl of 1–6 carbon atoms, alkoxy of 1–6 carbon atoms, halogen, trifluoroalkyl, or trifluoroalkoxy of 1–6 carbon atoms; X is CR5R6 or a carbonyl group; R5 and R6 are each, independently, hydrogen or alkyl of 1–6 carbon atoms; or a pharmaceutically acceptable salt thereof, with the proviso that at least two of R1, R2, R3, or R4 are not hydrogen; which are 5HT2C receptor agonists useful for the treatment of disorders involving the central nervous system such as obsessive-compulsive disorder, depression, anxiety, schizophrenia, migraine, sleep disorders, eating disorders, obesity, type II diabetes, and epilepsy.

Abstract: This invention provides processes for synthesizing compounds of formula I: wherein R is H or alkyl; R1, R2 are H, alkyl, alkoxy, halogen, fluorinated alkyl, —CN, alkyl sulfonamide, alkyl amide, amino, alkylamino, dialkylamino, fluorinated alkoxy, acyl, or aroyl; R3 and R4 are H, alkyl or cycloalkyl; the dashed line indicates an optional double bond; as well as intermediates and pharmaceutically acceptable salts thereof.

Abstract: This invention provides compounds of the formulae: wherein: R1 is hydrogen, —C(O)CH3 or alkyl of 1-6 carbon atoms; R2 and R3 are each, independently, hydrogen, alkyl of 1-6 carbon atoms, cycloalkyl, alkoxy of 1-6 carbon atoms, —CH2OH, fluoroalkyl, alkyl sulfonamide of 1-6 carbon atoms, alkyl amide of 1-6 carbon atoms, amino, alkylamino of 1-6 carbon atoms, dialkylamino of 1-6 carbon atoms per alkyl moiety, fluoroalkoxy of 1-6 carbon atoms, acyl of 2-7 carbon atoms, aryl, or aroyl; R4 and R5 are each, independently, hydrogen, alkyl of 1-6 carbon atoms, alkoxy of 1-6 carbon atoms, halogen, fluoroalkyl, —CN, alkyl sulfonamide of 1-6 carbon atoms, alkyl amide of 1-6 carbon atoms, amino, alkylamino of 1-6 carbon atoms, dialkylamino of 1-6 carbon atoms per alkyl moiety, fluoroalkoxy of 1-6 carbon atoms, acyl of 2-7 carbon atoms, or aroyl; R6 and R7 are each independently hydrogen, C1-C6 alkyl or cycloalkyl; or a pharmaceutically acceptable salt thereof, as well as pharmaceut

Abstract: This invention provides compounds of formula I, 1

Abstract: This invention provides compounds of formula I, R is hydrogen or alkyl of 1-6 carbon atoms; R′ is hydrogen, alkyl of 1-6 carbon atoms, acyl of 2-7 carbon atoms, or aroyl; R1, R2, R3, and R4 are each, independently, hydrogen, alkyl of 1-6 carbon atoms, alkoxy of 1-6 carbon atoms, halogen, trifluoroalkyl, —CN, alkyl sulfonamide of 1-6 carbon atoms, alkyl amide of 1-6 carbon atoms, amino, alkylamino of 1-6 carbon atoms, dialkylamino of 1-6 carbon atoms per alkyl moiety, trifluoroalkoxy of 1-6 carbon atoms, acyl of 2-7 carbon atoms, or aroyl; X is CR5R6 or a carbonyl group; R5 and R6 are each, independently, hydrogen or alkyl of 1-6 carbon atoms; or a pharmaceutically acceptable salt thereof, with the proviso that at least one of R1, R2, R3, or R4 are not hydrogen; which are 5HT2C receptor agonists useful for the treatment of disorders involving the central nervous system such as obsessive-compulsive disorder, depression, anxiety, schizophrenia, migraine, sleep disorders, eatin

Abstract: This invention provides compounds of formula I, 1

Abstract: This invention provides compounds of formula I, wherein R is hydrogen or alkyl of 1-6 carbon atoms; R′ is hydrogen, alkyl of 1-6 carbon atoms, acyl of 2-7 carbon atoms, or aroyl; R1, R2, R3, and R4 are each, independently, hydrogen, alkyl of 1-6 carbon atoms, alkoxy of 1-6 carbon atoms, halogen, trifluoroalkyl, —CN, alkyl sulfonamide of 1-6 carbon atoms, alkyl amide of 1-6 carbon atoms, amino, alkylamino of 1-6 carbon atoms, dialkylamino of 1-6 carbon atoms per alkyl moiety, trifluoroalkoxy of 1-6 carbon atoms, acyl of 2-7 carbon atoms, or aroyl; X is CR5R6 or a carbonyl group; R5 and R6 are each, independently, hydrogen or alkyl of 1-6 carbon atoms; or a pharmaceutically acceptable salt thereof, with the proviso that at least one of R1, R2, R3, or R4 are not hydrogen; which are 5HT2C receptor agonists useful for the treatment of disorders involving the central nervous system such as obsessive-compulsive disorder, depression, anxiety, schizophrenia, migraine, sleep disorde

Abstract: This invention relates to D.sub.2 dopaminergic compounds of the formula ##STR1## wherein: R.sup.1 is hydrogen, trifluoromethyl, pentafluoroethyl, heptafluoropropyl, straight-chain or branched alkyl group having up to 6 carbons or benzyl optionally substituted by one to three substituents selected from halogen, amino, nitro, hydroxy, and C.sub.1 -C.sub.6 alkoxy;R.sup.2 is hydrogen or C.sub.1 -C.sub.6 alkyl;R.sup.3 is hydrogen, straight-chain or branched alkyl group having up to 10 carbon atoms, cyclohexylmethyl, --(CH.sub.2).sub.m Ar where Ar is phenyl, naphthalenyl, thienyl, furanyl, or pyridinyl, each optionally substituted by one to two substituents selected from halogen, C.sub.1 -C.sub.6 alkoxy, trifluoromethyl and C.sub.1 -C.sub.6 alkyl, and m is 1-3or NR.sup.2 R.sup.3 is 1,2,3,4-tetrahydroquinolin-1-yl or 1,2,3,4-tetrahydroisoquinolin-2-yl;Y is hydrogen, halogen, lower alkyl, amino, or lower alkoxy;n is 1-5:or a pharmaceutically acceptable salt thereof. These D.sub.

Abstract: Disclosed are compounds of the formula ##STR1## wherein: R.sup.1 is hydrogen or C.sub.1 -C.sub.6 alkyl;R.sup.2 is selected from hydrogen, straight-chain and branched C.sub.1 -C.sub.10 alkyl, cyclohexylmethyl or --(CH.sub.2).sub.m Ar where Ar is phenyl, naphthyl, thienyl, furanyl or pyridinyl, each optionally substituted by one or two substituents selected independently from C.sub.1 -C.sub.6 alkyl, halogen, C.sub.1 -C.sub.6 alkoxide and trifluoromethyl;or NR.sup.1 R.sup.2 is 1, 2, 3, 4-tetrahydroquinolin-1-yl or 1, 2, 3, 4-tetrahydroisoquinolin-2-yl;m is 1-5;n is 1 or 2;R.sup.3 is hydrogen or C.sub.1 -C.sub.6 alkyl;Y is halogen, C.sub.1 -C.sub.6 alkyl, and C.sub.1 -C.sub.6 alkoxy;or a pharmaceutically acceptable salt thereof, which are dopamine autoreceptor agonists and as such are useful in the treatment of schizophrenia, Parkinson's disease, Tourette's syndrome, alcohol addiction and drug addiction.

Abstract: Disclosed are compounds of the formula ##STR1## wherein: R.sup.1 is hydrogen or C.sub.1 -C.sub.6 alkyl;R.sup.2 is selected from hydrogen, straight-chain and branched C.sub.1 -C.sub.10 alkyl, cyclohexylmethyl or --(CH.sub.2).sub.m Ar where Ar is phenyl, naphthyl, thienyl, furanyl or pyridinyl, each optionally substituted by one or two substituents selected independently from C.sub.1 -C.sub.6 alkyl, halogen, C.sub.1 -C.sub.6 alkoxy and trifluoromethyl;or NR.sup.1 R.sup.2 is 1, 2, 3, 4-tetrahydroquinolin-1-yl or 1, 2, 3, 4-tetrahydroisoquinolin-2-yl;m is 1-5;n is 1 or 2;R.sup.3 is hydrogen or C.sub.1 -C.sub.6 alkyl;Y is hydrogen, C.sub.1 -C.sub.6 alkyl, and C.sub.1 -C.sub.6 alkoxy;or a pharmaceutically acceptable salt thereof, which are dopamine autoreceptor agonists and as such are useful in the treatment of schizophrenia, Parkinson's disease, Tourette's syndrome, alcohol addiction and drug addiction.

Abstract: This invention relates to a novel series of compounds having potency at the dopamine D.sub.2 receptor which are illustrated by the following Formula I: ##STR1## wherein: R.sup.1 is hydrogen or C.sub.1 -C.sub.6 alkyl;R.sup.2 is hydrogen or C.sub.1 -C.sub.6 alkyl;R.sup.3 is selected from hydrogen, straight-chain and branched alkyl group having up to 10 carbon atoms, cyclohexylmethyl or --CH.sub.2).sub.m Ar where Ar is phenyl, naphthyl, thienyl, furanyl or pyridinyl, each optionally substituted by one or two substituents selected independently from C.sub.1 -C.sub.6 alkyl, halogen, C.sub.1 -C.sub.6 alkoxide, trifluoromethyl, 4-fluorobutyrophenone;or NR.sup.2 R.sup.3 is 1, 2, 3, 4-tetrahydroquinolin-1-yl or 1, 2, 3, 4-tetrahydroisoquinolin-2-yl;m is 1-5;n is 1 or 2;Y is halogen, C.sub.1 -C.sub.6 alkyl, and C.sub.1 -C.sub.6 alkoxy; or a pharmaceutically acceptable salt thereof.

Abstract: This invention relates to compounds of Formula I ##STR1## wherein: R.sup.1 and R.sup.2 are independently selected from hydrogen, straight-chain and branched alkyl group having up to 10 carbon atoms or --(CH.sub.2).sub.m Ar where Ar is phenyl, naphthyl or thienyl, each optionally substituted by one or two substituents selected independently from C.sub.1 -C.sub.6 alkyl, halogen, C.sub.1 -C.sub.6 alkoxide and trifluoromethyl;or NR.sup.1 R.sup.2 is 1, 2, 3, 4-tetrahydroquinolin-1-yl or 1, 2, 3, 4-tetrahydroisoquinoline-2-yl;m is 1-5;n is 1 or 2;Y is hydrogen, C.sub.1 -C.sub.6 alkyl, and C.sub.1 -C.sub.6 alkoxy;or the pharmaceutically acceptable salts thereof, which are dopamine D.sub.2 agonists and therefore useful in the treatment of psychoses and Parkinson's disease.