The invention relates to the compounds of general formula (I)in which X1,X2,X3and X4represent, independently of each other, a nitrogen atom or a group C-R1; Z1, Z2, Z3and Z4represent, independently of each other, a nitrogen atom or a group C-R2;Ra and Rb form, together with the carbon atoms that bear them, a 5-membered ring, this ring comprising a nitrogen atom and carbon ato ms, this ring being partially saturated or unsaturated and being optionally substituted with one or more substituents R3; W represents an oxygen or sulfur atom; n is equal to 0, 1, 2 or 3; Y represents an optionally substituted aryl or heteroaryl; in the form of the base or of an acid-addition salt, and also in the form of hydrate or solvate.Preparation process and therapeutic use.本發明係關於通式(I)化合物其中X1,X2,X3及X4係互相獨立表示氮原子或基團C-R1;Z1,Z2,Z3及Z4係互相獨立表示氮原子或基團C-R2;Ra與Rb和帶有彼等之碳原子一起形成5-員環,此環包含氮原子與碳原子,此環為部份飽和或不飽和,且係視情況被一或多個取代基R3取代;W表示氧或硫原子;n係等於0,1,2或3;Y表示視情況經取代之芳基或雜芳基;呈鹼或酸加成鹽之形式,以及呈水合物或溶劑合物之形式。製備方法與治療用途。