The present invention is concerned with arylcyclohexylethers of dihydro-tetraazabenzoazulenes, i.e. arylcyclohexylethers of 5,6-dihydro-4H-2,3,5,10b-tetraaza-benzo[e]azulenes of formula Iwherein R1, R2 and R3 are as described herein, their manufacture, and pharmaceutical compositions containing them. The compounds according to the invention act as V1a receptor modulators, and in particular as V1a receptor antagonists. The active compounds of the present invention are useful as therapeutics acting peripherally and centrally in the conditions of dysmenorrhea, male or female sexual dysfunction, hypertension, chronic heart failure, inappropriate secretion of vasopressin, liver cirrhosis, nephrotic syndrome, anxiety, depressive disorders, obsessive compulsive disorder, autistic spectrum disorders, schizophrenia, and aggressive behavior.
