Hydantoin thiohydantoin pyrimidinedione and thioxopyrimidinone derivatives preparation method and use as medicines

Abstract

The invention concerns compounds for treating pathological conditions or diseases wherein one (or several) somatostatin receptors is (are) involved, corresponding to general formula (I) wherein: R1 represents in particular a carbocyclic or heterocyclic aryl radical optionally substituted or a non-aromatic heterocyclic radical optionally substituted; R2 represents H, alkyl or aryl optionally substituted; R3 represents H or —(CH ) —Z3, Z3 representing in particular alkyl, cycloalkyl, bis-arylalkyl or di-aryalkyl, —Y1—(CH ) -phenyl-(X1) , carbocyclic or heterocyclic aryl optionally substituted, a non-aromatic heterocyclic radical optionally substituted, X1, every time it is present, being independently selected in particular among the radicals H, Cl, F, Br, I, CF , NO , OH, NH , CN, N , —OCF , alkyl, alkoxy, —S-alkyl, —(CH ) —NH , —(CH ) —NH-alkyl, —(CH ) —N-alkyl; Y1 represents O, S, NH or is not present; R4 represents —(CH ) —Z4, Z4 representing in particular amino, alkylamino, N,N-dialkylamino; R5 represents in particular H or alkyl; X represents O or S; p each time it is present is independently 0 or an integer ranging between 1 and 6; q each time it is present is independently an integer between 1 and 5; n represents 0 or 1; provided that when n represents 0, m represents 1, 2 or 3, and when n represents 1, m represents 0 or 1.