| abstract |
Compounds of formula (I) or salts thereof are suitable for the treatment of anxiety and depression:n n n n n n n n Wherein X is O or CH 2 ; R 3 and R 4 are each independently hydrogen or C 1-6 alkyl; p is 0 or 1; R is a 5 or 6 membered saturated or unsaturated ring selected from formulas (II), (III) and (IV); R is a 5 or 6 membered oxo-substituted unsaturated ring selected from formulas (V) and (VI), wherein R 1 and R 2 together represent an oxo group or R 1 and R 2 are each hydrogen, Oxy or ethoxy, or R 1 and R 2 together with the intervening carbon atom represent a 1,3-dioxolane or 1,3-dioxane ring with or without one or more methyl or ethyl groups . |