INDOLE DERIVATIVES HAVING COMBINED 5HT1A, 5HT1B AND 5HT1D RECEPTOR ANTAGONIST ACTIVITY

摘要

Compounds of formula (I), processes for their preparation and their use as CNS agents are disclosed, in which Ra is a group of formula (i), in which P1 is phenyl, bicyclic aryl, a 5- to 7-membered heterocyclic ring containing 1 to 3 heteroatoms selected from oxygen, nitrogen and sulphur, or a bicyclic heterocyclic ring containing 1 to 3 heteroatoms selected from oxygen, nitrogen and sulphur; R1 is hydrogen, halogen, C1-6alkyl, C3-6cycloalkyl, COC1-6alkyl, C1-6alkoxy, hydroxy, hydroxyC1-6alkyl, hydroxyC1-6alkoxy, C1-6alkoxyC1-6alkoxy, C1-6alkanoyl, nitro, trifluoromethyl, cyano, SR9, SOR9, SO2R9, SO2NR1OR11, CO2R10, CONR10R11, CO2NR10R11, CONR10(CH2)cCO2R11, (CH2)cNR10R11, (CH2)cCONR10R11, (CH2)cNR10COR11, (CH2)cCO2C1-6alkyl, CO2(CH2)cOR10, NR10R11, NR10CO2R11, NR10CONR10R11, CR10=NOR11, NR10COOR11, CNR10=NOR11, where R10 and R11 are independently hydrogen or C1-6alkyl and c is 1 to 4; R2 is hydrogen, halogen, C1-6alkyl, C3-6cycloalkyl, C3-6cycloalkenyl, C1-6alkoxy, acyl, aryl, acyloxy, hydroxy, nitro, trifluoromethyl, cyano, CO2R10, CONR10R11, NR10R11 where R10 and R11 are as defined for R1; a is 1, 2 or 3; or Ra is a group of formula (ii), wherein P2 and P3 are independently phenyl, bicyclic aryl, a 5to 7-membered heterocyclic ring containing 1 to 3 heteroatoms selected from oxygen, nitrogen and sulphur, or a bicyclic heterocyclic group containing 1 to 3 heteroatoms selected from oxygen, nitrogen or sulphur; A is a bond or oxygen, S(O)m where m is 0 to 2, carbonyl, CH2 or NR4 where R4 is hydrogen or C1-6alkyl; R1 is as defined above for formula (I) or R1 is an optionally substituted 5 to 7-membered heterocyclic ring containing 1 to 3 heteroatoms selected from oxygen, nitrogen or sulphur; R2 and R3 are independently hydrogen, halogen, C1-6alkyl, C3-6cycloalkyl, C3-6cycloalkenyl, C1-6alkoxy, acyl, aryl, acyloxy, hydroxy, nitro, trifluoromethyl, cyano, CO2R10, CONR10R11, NR10R11 where R10 and R11 are as defined for R1; and a and b are independently 1, 2 or 3; Y is -NH-, NR5 where R5 is C1-6alkyl, or Y is -CH2-or -O-; V is oxygen or sulphur; D is nitrogen, carbon or a CH group; W is (CR16R17)t where t is 2, 3 or 4 and R16 and R17 are independently hydrogen or C1-6alkyl or W is (CR16R17)u-J where u is 0, 1, 2 or 3 and J is oxygen, sulphur, CR16=CR17, CR16=N, =CR16O, =CR16S or =CR16-NR17; X is nitrogen or carbon; Rb is hydrogen, halogen, hydroxy, C1-6alkyl, trifluoromethyl, C16alkoxy, C2-6alkenyl, C3-7cycloalkyl optionally substituted by C1-4alkyl, or aryl; Rc is hydrogen or C1-6alkyl; and ..... is a single bond when X is nitrogen or a single or double bond when X is carbon.