Patent ID: 7863450

Claim:
A compound, geometrical isomer, enantiomer, diastereoisomer, pharmaceutically acceptable salt or mixture thereof of formula I, wherein A 1 is CH or N; R 1 is hydrogen; R 2 is A 2 is O; R 3 is hydrogen; R 4 is hydrogen; R 5 is â€”Oâ€”(CH 2 ) m â€”NR 13a R 13b ; R 6 is hydrogen or methyl; or R 6 and R 7 are linked together to form a C 5 alkylene, one methylene of the alkylene being optionally replaced by a nitrogen atom, said nitrogen atom being optionally substituted by a cyclopentyl or a benzyl group; R 7 is methyl, piperidin-1-ylmethyl or pyrrolidin-lylmethyl; or R 6 and R 7 are linked together to form a C 5 alkylene, one methylene of the alkylene being optionally replaced by a nitrogen atom, said nitrogen atom being optionally substituted by a cyclopentyl or a benzyl group; R 8 is hydrogen; R 9 is hydrogen; â€”NR 13a R 13b is selected from the group consisting of 1-piperidinyl and 2-methylpyrrolidin-1-yl; and m is an integer equal to 3.