Abstract: Disclosed are 3-azabicyclo[4.1.0]heptane derivatives of formula (I) and their use as orexin receptor antagonists.

Abstract: Compounds of formula (I) wherein R1, R2, X, A, Y, B, Z1, Q, p, r and s are defined in the specification for treating inter alia psychotic disorders, depressive disorders, anxiety disorders and sexual dysfunctions.

Abstract: The invention provides a compound of formula (I) or a pharmaceutically acceptable salt thereof for treating diseases and conditions mediated by positive allosteric modulation of the G-protein coupled metabotropic subtype 5 receptor (mGluR5), such as neurological and psychiatric disorders, for example schizophrenia. In addition, the invention relates to compositions containing the derivatives and processes for their preparation.

Abstract: This invention relates to novel Spiro cyclopentane derivatives of formula (I) or a pharmaceutically acceptable salt thereof, for treating diseases and conditions of the central nervous system (CNS), in particular sleep disorders.

Abstract: Disclosed are compounds of formula (I) wherein R1 is C1-6alkyl, halo or haloC1-6alkyl; R2 is hydrogen or C1-6alkyl; is a single or double bond; each R3 and R4, which may be the same or different, are hydrogen, C1-6alkyl or haloC1-6alkyl; wherein i) when is a double bond p and q are 1, and ii) when is a single bond, p and q are 2, and one of R3 and one of R4, together with their interconnecting atoms, forms a cyclopropane ring which may be substituted by one or two halo or methyl groups, which groups may be the same or different; X is CH or N; when present each R5, which may be the same or different, is C1-6alkyl or halo; or two R5 groups may join to form a bridge, which bridge contains one or two atoms; n is 0, 1, 2 or 3; when present each R6 which may be the same or different, is C1-6alkyl or halo; and m is 0, 1, 2 or 3.