Abstract: A compound of formula (1) wherein R1 is aryl; and R2 is hydrogen or alkyl; pharmaceutically acceptable addition compounds thereof; and their use in therapy, particularly for the treatment and prophylaxis of CNS disorders such as anxiety and epilepsy.

Abstract: A chemical compound of formula (I) wherein: R1 and R2 are independently selected from hydrogen and alkyl; R3 is alkyl; R4, R6 and R7 are independently selected from hydrogen, halogen, hydroxy, alkyl, aryl, amino, alkylamino, dialkylamino, alkoxy, aryloxy, alkylthio, alkylsufoxyl, alkylsulfonyl, nitro, carbonitrile, carbo-alkoxy, carbo-aryloxy and carboxyl; R5 is selected from hydrogen, halogen, hydroxy, alkyl, aryl, amino, alkylamino, dialkylamino, alkoxy, aryloxy, alkylthio, alkylsulfoxyl, alkylsulfonyl, nitro, carbonitrile, carbo-alkoxy, carbo-aryloxy and carboxyl; A is a 5- or 6-membered partially unsaturated or aromatic heterocyclic ring or a 5- or 6-membered partially unsaturated carbocyclic ring, wherein if A is a 6-membered partially unsaturated carbocyclic ring then at least one of R4 to R7 is other than hydrogen, and pharmaceutically acceptable salts, addition compounds and prodrugs thereof, and the use thereof in therapy, particularly as an agonist or antagonist of a 5HT receptor, particularly a 5HT

Abstract: A compound of formula (1): wherein R1 is aryl; and R2, R3, R4, R5 and R6 which may be the same or different are selected from H, alkyl and aryl; pharmaceutically acceptable addition compounds thereof and the use of the compounds in therapy, particularly for CNS disorders such as anxiety and epilepsy.

Abstract: A compound of formula (1), wherein: R1 is aryl; R2 is H, alkyl or aryl; and R3 is hydrogen or alkyl; pharmaceutically acceptable addition compounds thereof; and the use of the compounds in therapy, particularly for the treatment and prophylaxis of CNS disorders such as anxiety and epilepsy.

Abstract: For use in therapy a chemical compound of formula (I), wherein R1 to R3 are independently selected from hydrogen and alkyl; R4 to R7 are independently selected from hydrogen, halogen, hydroxy, alkyl, aryl, heterocyclyl, alkoxy, aryloxy, alkylthio, arylthio, alkylsulfoxyl, alkylsulfonyl, arylsulfoxyl, arylsulfonyl, amino, monoalkylamino, dialkylamino, nitro, cyano, carboxaldehyde, alkylcarbonyl, arylcarbonyl, aminocarbonyl, monoalkylaminocarbonyl, dialkylaminocarbonyl, alkoxycarbonylamino, aminocarbonyloxy, monoalkylaminocarbonyloxy, dialkylaminocarbonyloxy, monoalkylaminocarbonylamino and dialkylaminocarbonylamino, wherein at least one of R4 to R7 is a substituent group other than hydrogen, and pharmaceutically acceptable salts and prodrugs thereof, particularly for the treatment of disorders of the central nervous system; damage to the central nervous system; cardiovascular disorders; gastrointestinal disorders; diabetes insipidus, and sleep apnea, and especially for the treatment of obesit