| abstract |
Compounds are disclosed of the formula I in which X denotes, for example, halogen, cyano, carbamoyl or aryloxy and also represents other substituents which have the meaning given in the description, Y represents a group -CH2-A in which A denotes imidazolyl, triazolyl or tetrazolyl bonded via a ring nitrogen atom, R1 and R2 independently of one another denote hydrogen, lower alkyl or a group -CH2-A as defined for Y, or Y, R1 and R2 independently of one another assume meanings which are described in the application. These compounds have useful pharmaceutical properties and are particularly active as inhibitors of the enzyme aromatase and against tumours. They are prepared in a known manner. |