Patent ID: 8563526

Claim:
A compound of general formula (I) or (I″): wherein: R 1 and R 1a represent a radical C 1-18 alkyl, C 2-18 alkenyl, C 3-10 cycloalkyl, C 3-10 cycloalkyl-C 1-6 alkylene, C 3-10 cycloalkenyl, C 6-20 aryl, C 5-14 aryl-C 1-6 alkylene, C 3-10 heterocyclyl, C 3-10 heterocyclyl-C 1-6 alkylene, C 5-20 heteroaryl or C 5-20 heteroaryl-C 1-6 alkylene, said radicals being optionally substituted with one or more R 4 ; R 2 represents —NH 2 , —NHR 5 , a hydroxyl or a C 1-6 alkoxy group; R 3a , R 3b , R 3c and R 3d represent independently from each other a hydrogen atom, a C 1-18 alkyl, C 2-18 alkenyl, C 6-20 aryl or —C(O)R 5 ; R 4 represents a halogen atom, a hydroxyl, —NH 2 , —NHR 5 , —NO 2 , —CN, —CF 3 , —C(O)R 5 , a radical C 1-14 alkyl, C 1-6 alkoxy, C 2-6 alkenyl, C 2-6 alkynyl, C 6-20 aryl, C 5-20 heteroaryl or C 5-14 aryl-C 1-6 alkylene; R 5 represents C 1-18 alkyl, C 2-18 alkenyl, C 2-18 alkynyl, C 5-14 aryl, C 3-10 heterocyclyl, C 5-20 heteroaryl, C 5-14 aryl-C 1-6 alkylene, C 5-14 aryl-C 2-18 alkenylene, C 5-14 aryl-C 2-18 alkynylene, C 5-20 heteroaryl-C 1-6 alkylene, C 5-20 heteroaryl-C 2-18 alkenylene, C 5-20 heteroaryl-C 2-18 alkynylene, C 3-10 heterocyclyl-C 1-6 alkylene, C 3-10 heterocyclyl-C 2-18 alkenylene or C 3-10 heterocyclyl-C 2-18 alkynylene; in the form of a free base or of an addition salt with an acid.