TRICYCLIC COMPOUNDS AS ALLOSTERIC MODULATORS OF METABOTROPIC GLUTAMATE RECEPTORS

摘要

The present invention describes and claims compounds of the Structural Formula (I), Structural Formula (II), or Structural Formula (III). In Formula (I), R1, R2, R3 and R3' are -H or methyl, or R3 and R3' taken together form a double bond, or R3' is -H and R2 and R3 taken together form a spiro-cyclopropyl substituent, R4 is -H or -F, and R5 is -H, methyl, -Cl or -Br. In Formula (II), R1 is -H, ethyl-, isopropyl-, cyclopropyl-, methyl- or methoxy-, R4 is -H or -F, and "Y" is: (a) -CH2-; (b) -CR6H-O-CR7R8-, wherein R6, R7, and R8 are independently -H or methyl; (c) -CR6H-N(R9)-CR7R8-, wherein R6, R7, and R8 are independently -H or methyl; (d) -CH2-C(R9)(R10)-C(R7)(R8)-, wherein R7, R8, R9 and R10 are independently -H or -methyl, or both R7 and R8 are -F, R9 and R10 are independently -H or -methyl, or both R9 and R10 are -F, or R9 and R10 taken together are (O=), which together with the carbon to which they are attached forms a carbonyl group.