The invention concerns compounds of formula (I) in which: A forms a tricyclic system of formula A1, A2, A3 or A4; R1 represents a hydrogen atom, an alkyl, hydroxy, alkoxy or oxo group; (R2)m and (R3)m′ are such as defined in the description; n represents an integer such that 0≦n≦3; p represents an integer such as defined in the description; B represents a group (a) or (b). The invention is useful for preparing medicines.
本发明涉及公式(I)的化合物,其中:A形成公式A1、A2、A3或A4的
三环系统;R1代表氢原子、烷基、羟基、烷氧基或氧代基;(R2)m和(R3)m'如描述中所定义;n表示整数,使得0≤n≤3;p表示如描述中所定义的整数;B代表组(a)或(b)。本发明用于制备药物。