A compound of formula (I) wherein: R represents a group selected from: i) ii) iii) or iv) in which R6 is halogen, cyano, C1-4 alkyl or trifluoromethyl and p is 2 or 3 or R6 is halogen, cyano, C1-4 alkyl, C1-4 alkoxy, trifluoromethoxy or trifluoromethyl and p is 0 or 1; R1 represents hydrogen, halogen, cyano, C2-4 alkenyl, C1-4 alkyl optionally substituted by halogen, cyano or C1-4 alkoxy; R2 represents hydrogen or (CH2)qR7; R3 and R4 each independently are hydrogen or C1-4 alkyl; R5 represents : phenyl substituted by 1 to 3 groups independently selected from trifluoromethyl, C1-4 alkyl, cyano, C1-4 alkoxy, trifluoromethoxy, halogen, S(O)rC1-4 alkyl or a phenyl substituted by a 5 or 6 membered heteroaryl group optionally substituted by 1 to 3 groups independently selected from trifluoromethyl, C1-4 alkyl, cyano, C1-4 alkoxy, trifluoromethoxy, halogen or S(O)rC1-4 alkyl; naphthyl substituted by 1 to 3 groups independently selected from trifluoromethyl, C1-4 alkyl, cyano, C1-4 alkoxy, trifluoromethoxy, halogen or S(O)rC1-4 alkyl; a 9 to 10 membered fused bicyclic heterocyclic group substituted by 1 to 3 groups independently selected from trifluoromethyl, C1-4 alkyl, cyano, C1-4 alkoxy, trifluoromethoxy, halogen or S(O)rC1-4 alkyl or R5 is a 5 or 6 membered heteroaryl group substituted by 1 to 3 groups independently selected from trifluoromethyl, C1-4 alkyl, cyano, C1-4 alkoxy, trifluoromethoxy, halogen or S(O)rC1-4alkyl; R7 is hydrogen, C3-7 cycloalkyl, C1-4 alkoxy, amine, C1-4 alkylamine, (C1-4 alkyl)2amine, OC(O)NR8R9 or C(O)NR8R9; R8 and R9 each independently represent hydrogen, C1-4 alkyl or C3-7 cycloalkyl; A-B is a bivalent radical of formula (v) -CH=C(R11)- (vi) -C (R10)=CH- or (vii) -C(R12)(R10)-C(R11)(R13)- wherein R10, R11, R12 and R13 each independently are hydrogen or C1-4 alkyl; n is 1 or 2; q is an integer from 1 to 4; r is 1 or 2; or pharmaceutically acceptable salts and solvates thereof, process for their preparation and their use in the treatment of conditions mediated by tachykinins and/or by selective inhibition of serotonin reuptake transporter protein.