Patent ID: 8273768

Claim:
A compound of the following formula (I): wherein: R 1 , R 2 and R 3 represent independently of each other a methoxy group optionally substituted with one or more fluorine atoms, R 4 represents a hydrogen atom, R 5 and R 6 are identical and each represents a hydrogen or fluorine atom, A is a 1,3-benzodioxolyl, chromanyl or chromenyl group, said group being optionally substituted with one or more C 1 -C 4 alkyl groups, or a phenyl or naphtyl group, said group being optionally substituted with one or more groups selected from halogens, —B(OH) 2 groups, C 1 -C 4 alkyls, C 2 -C 4 alkenyls, C 2 -C 4 alkynyls, aryl, heteroaryl, —COOH, —NO 2 , methylenedioxy, —NR 7 R 8 , —NHCOR 7 , —CONR 7 R 8 , —NHCOOR 9 , —OSi(C 1 -C 4 alkyl) 3 , —NHSO 2 R 9 , C 1 -C 4 alkoxy optionally substituted with one or more fluorine atoms, OCONR 7 R 8 , —OSO 2 CF 3 , —OSO 2 R 9 , —SO 2 R 9 , —OSO 3 H, —OPO(OR 10 ) 2 , —ONR 7 R 8 , —OR 11 , —SO 2 NR 12 R 13 , —SO 2 NHCOR 14 , —OCOR 15 , —OCOOR 16 , —SR 17 , OCO(CH 2 ) n C 6 H 4 N[(CH 2 ) m Cl] 2 with n=1 to 4 and m=1 to 3, and a residue of a molecule with antitumoral activity, said molecule comprising a COOH function in order to bound said molecule to the phenyl or naphtyl group via an ester or amide bond, wherein: R 7 and R 8 represent independently of each other, a hydrogen atom or a C 1 -C 4 alkyl, aryl or heteroaryl group, R 9 represents a C 1 -C 4 alkyl, aryl or heteroaryl group, R 10 represents a hydrogen atom or a C 1 -C 4 alkyl group or a benzyl group, R 11 represents a hydrogen atom, an O-protective group, a sugar selected from glucose, mannose, arabinose or galactose, an aminosugar or an amino acid, the free OH and HN 2 groups of sugars, aminosugars and amino acids may optionally be substituted with an O-protective and N-protective group, respectively, R 12 and R 13 represent independently of each other a hydrogen atom, a C 1 -C 4 alkyl group, an aryl or heteroaryl group, —COR 14 represents the remainder of an amino acid molecule bound to the —SO 2 NH-group, or R 14 represents a C 1 -C 4 alkyl group, R 15 represents a hydrogen atom, a C 1 -C 4 alkyl, aryl or heteroaryl group, or a (CH 2 ) m CO 2 H or —(CH 2 ) m NR 7 R 8 group with m=1 to 3, R 16 represents a C 1 -C 4 alkyl, aryl or heteroaryl group or a —(CH 2 ) m CO 2 H or —(CH 2 ) m NR 7 R 8 group with m=1 to 3, and R 17 represents a hydrogen atom or a C 1 -C 4 alkyl or aryl group, as well as its pharmaceutically acceptable salts, excluding the following compound: