| abstract |
The present invention relates to a compound of formula (I): n n n n n n n n n n wherein A and A′ independently represent a phenylene group or a pyridylene group; R 2 is a hydrogen atom or a (C 1 -C 4 )alkyl group; R 3 is a 2-pyridyl group, 3-pyridyl group, a 4-pyridyl group, a 2-pyrimidinyl group, a 4-pyrimidinyl group or a 5-pyrimidinyl group; R 4 is a carbonyl group or a sulfonyl group; and R 5 is a —NH—(CH 2 ) a —NR 6 R 7 group or a 4-methylpiperazinyl group, with a being an integer from 1 to 4, R 6 and R 7 representing independently a (C 1 -C 4 )alkyl group, or R 6 and R 7 together with the nitrogen atom to which they are linked forming a heterocycle group which is chosen among a 4-methylpiperazinyl group, a morpholino group, a pyrrolidinyl group and a piperidino group; or any one of its pharmaceutically acceptable salt. |