UREA DERIVATIVES, METHOD FOR PREPARING SAME, USE THEREOF AS MEDICINES, PHARMACEUTICAL COMPOSITIONS AND USE

摘要

The invention concerns novel products of formula (I) wherein: Y represents oxygen or sulphur; Z represents C=CH2, CH-CH3 or CH2; R1 represents hydrogen, morpholinyl or the radical (II) wherein the two nitrogen atoms are linear or form a cyclic radical; X represents carbonyl, alkylene or alkenylene, linear or branched containing not more than 6 carbon atoms optionally oxygen- or sulphur-interrupted; R4, R5 and R6 represent hydrogen, a nitrogen-protecting, alkyl, cycloalkyl, aryl and arylalkyl group optionally substituted; R2 represents alkyl optionally substituted by aryl, heteroaryl or -NR4R5; R3 represents alkyl, cycloalkyl, aryl, heteroaryl, arylalkyl or heteroarylalkyl optionally substituted. Said products are all in the form of isomers and the salts as medicines.