A method for the treatment of vasopressin-dependent diseases selected from the group consisting of hypertension, pulmonary hypertension, heart failure, myocardial infarction, Schwartz-Bartter syndrome, hepatocirrhosis, diabetes insipidus, depression, anxiety, and hyperthermia, the method comprising administering a compound of formula (I) or a pharmaceutically acceptable salt thereof to a subject in need thereof;
- in which
- R1 and R2 are independently of one another hydrogen, C1-C3-alkyl, C1-C3-fluoroalkyl, C1-C3-alkoxy, C1-C3-fluoroalkoxy, halogen or CN;
- R3 is hydrogen or C1-C4-alkyl;
- R4 is ethoxy, fluorinated ethoxy or isopropoxy;
- R5 is hydrogen or methyl;
- R6 is Br, Cl, F or CN;
- R7 is Cl, F or CN;
- R8 and R9 are independently of one another C1-C3-alkyl or C1-C3-fluoroalkyl;
- X1 is O, NH or CH2;
- X2 and X3 are N or CH, with the proviso that X2 and X3 are not simultaneously N;
- X4 is N or CH;
- a and b are independently of one another 0, 1 or 2;
- and
- m, n, o and p are independently of one another 1, 2 or 3.