A compound of formula (I) wherein R is a radical selected from in which R7 is halogen, cyano, C1-4 alkyl, C1-4 alkoxy, trifluoromethyl or trifluoromethoxy; p is an integer from 0 to 3; R1 is hydrogen, halogen, cyano, C2-4 alkenyl, C1-4 alkyl optionally substituted by halogen, cyano or C1-4 alkoxy; R2 is hydrogen or C1-4 alkyl; R3 and R4 independently are hydrogen, C1-4 alkyl or R3 together with R4 is C3-7 cycloalkyl; R5 is phenyl substituted by 1 to 3 groups independently selected from trifluoromethyl, C1-4 alkyl, cyano, C1-4 alkoxy, trifluoromethoxy, halogen or (SO)rC1-4 alkyl, naphthyl substituted by 1 to 3 groups independently selected from trifluoromethyl, C1-4 alkyl, cyano, C1-4 alkoxy, trifluoromethoxy, halogen or (SO)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 (SO)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 (SO)rC1-4 alkyl; R6 is hydrogen or (CH2)qR8; R8 is hydrogen, C3-7 cycloalkyl, C1-4 alkoxy, amine, C1-4 alkylamine, (C1-4 alkyl)2amine, OC(O)NR9R10 or C(O)NR9R10; R9 and R10 independently are hydrogen, C1-4 alkyl or C3-7 cycloalkyl; m is zero or 1; 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; processes for their preparation to pharmaceutical compositions containing them and their use in the treatment of conditions mediated by tachykinins and/or by selective inhibition of serotonin reuptake transporter protein.