1158749-77-9Relevant articles and documents
PYRROLO [1, 2-A] PYRAZINE DERIVATIVES AS VASOPRESSIN VIB RECEPTOR ANTAGONISTS
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, (2009/12/05)
The present invention relates to novel compounds of formula (I) or salts thereof; wherein R is -X-[CH2]nCR4R5-Y; or a group G; R1 is H or C1 -C4 alkyl; R2 is aryl, heteroaryl or C3-C7 cycloalkyl, which may be substituted with one or more: halogen, C1-C4 alkyl, C1-C4 alkoxy, C1-C4 haloalkyl, C1-C4 haloalkoxy, - CN; R3 is -CH2-C(=O)-NH-R6; X is -CR7R8-, -O-, -NR9-, -S-; Y is-NR10R11 R4 is H or C1 -C4 alkyl; R5 is H or C1 -C4 alkyl; R6 is C1-C6 alkyl, C3-C6 cycloalkyl; C3-C6 cycloalkyl- (C1 -C2 alkyl); which may be substituted by one or more halogen, C1-C4 alkyl, C1-C4 alkoxy, C1-C4 haloalkyl, C1-C4 haloalkoxy; R7 is H or C1 -C4 alkyl; R8 is H or C1 -C4 alkyl; R9 is H or C1 -C4 alkyl; R10 is H or C1-C4 alkyl, or together with R11 forms a 4-8 saturated or unsaturated heterocycle ring which may comprise a further heteroatom selected from O, S and -NR12; such heterocycle may be substituted by one or more halogen, C1-C4 alkyl, C1-C4 alkoxy, C1-C4 haloalkyl, C1-C4 haloalkoxy; R11 is H or C1 -C4 alkyl; R12 is H, C1-C6 alkyl, C3-C7 cycloalkyl; C3-C6 cycloalkyl- (C1 -C2 alkyl); which may be substituted by one or more halogen, C1-C4 alkyl, C1-C4 alkoxy, C1-C4 haloalkyl, C1-C4 haloalkoxy; G is one of the groups selected from the list consisting of G1, G2, G3, G4, G5, G6, G7, G8, G9, G10, G11 and G12; R 13 is H or C1-C4 alkyl, or together with R14 forms a 4-8 saturated or unsaturated heterocycle ring which may comprise a further heteroatom selected from O, S and -NR24; such heterocycle may be substituted by one or more halogen, C1-C4 alkyl, C1-C4 alkoxy, C1-C4 haloalkyl, C1-C4 haloalkoxy; R14 R16 is H, C1-C6 alkyl, C3-C7 cycloalkyl; C3-C6 cycloalkyl- (C1 -C2 alkyl); which may be substituted by one or more halogen, C1-C4 alkyl, C1-C4 alkoxy, C1-C4 haloalkyl, C1-C4 haloalkoxy; R15, R 17 correspond to H or C1-C4 alkyl and may assume different meanings; R 18 is H or C1-C4 alkyl, or together with R17 forms a 4-8 saturated or unsaturated heterocycle ring which may comprise a further heteroatom selected from O, S and -NR25; such heterocycle may be substituted by one or more halogen, C1-C4 alkyl, C1-C4 alkoxy, C1-C4 haloalkyl, C1-C4 haloalkoxy; R19, R20, R21, R22, R23, R24, R25 is H, C1-C6 alkyl, C3-C7 cycloalkyl; C3-C6 cycloalkyl- (C1 -C2 alkyl); which may be substituted by one or more halogen, C1-C4 alkyl, C1-C4 alkoxy, C1-C4 haloalkyl, C1-C4 haloalkoxy; R26, R27, R28, R29 is H, C1-C6 alkyl, C3-C7 cycloalkyl; C3-C6 cycloalkyl- (C1 -C2 alkyl); which may be substituted by one or more halogen, C1-C4 alkyl, C1-C4 alkoxy, C1-C4 haloalkyl, C1-C4 haloalkoxy; I, I' correspond to 1 or 2 and may assume different meanings; m, m', m", m"', mιv, mv correspond to 0, 1 or 2 and may assume different meanings; n is 1, 2 or 3; q is 1, 2 or 3; p, p', p", p'" correspond to 0, 1, 2 or 3 and may assume different meanings; processes for their preparation, intermediates used in these processes, pharmaceutical compositions containing them and their use in therapy, as antagonists of V1b receptors, e.g. to treat depression and anxiety.