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 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 [1,4]diazepino[6,7,1-jk]carbazole compounds of the formula: wherein: R1 and R2 are H, alkyl, alkoxy, halogen, fluorinated alkyl, —CN, —NH—SO2-alkyl, —SO2—NH-alkyl, alkyl amide, amino, alkylamino, dialkylamino, fluorinated alkoxy, acyl, phenoyl or thiophenoyl; R3, R4, R5 and R6 are H, alkyl, cycloalkyl, alkoxy or cycloalkoxy; R7 is H or alkyl; R8 is H or alkyl; and the dashed line indicates an optional double bond; or a pharmaceutically acceptable salt thereof, as well as methods and pharmaceutical compositions utilizing them for the treatment or prevention of disorders such as obsessive-compulsive disorder, depression, anxiety, schizophrenia, migraine, sleep disorders, eating disorders, obesity, epilepsy, and spinal cord injury.

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: The present invention provides processes for the preparation of 1, 2, 3, 4, 8, 9, 10, 10a-octahydro-7bH-cyclopenta[b][1, 4]diazepino[6, 7, 1-hi]indole derivatives of the general formula: wherein: R is H, alkyl, acyl, or aroyl; R1, R2, R4 and R5 are H, OH, alkyl, cycloalkyl, alkoxy s, halogen, fluorinated alkyl, —CN, —NH—SO2-alkyl, —SO2—NH-alkyl, alkyl amide, amino, alkylamino s, dialkylamino, fluorinated alkoxy, acyl, aryl, or aroyl; R3 is H, alkyl, cycloalkyl, alkoxy, fluorinated alkyl, —NH—SO2-alkyl, —SO2—NH-alkyl, alkyl amide, amino, alkylamino, dialkylamino, fluorinated alkoxy, acyl, aryl, or aroyl; or a pharmaceutically acceptable salt thereof, which are useful in the treatment of central nervous system disorders.