Patent ID: 7638529

Claim:
A compound of general formula, or one of its salts with a base or an acid: R 1 is selected from the group consisting of hydrogen, —COOH, —CN, —COOR, —CONR 6 , R 7 , —(CH 2 ) n′ R 5 and R is selected from the group consisting of alkyl of 1 to 6 carbon atoms optionally substituted by a member selected from the group consisting of pyridyl and carbamoyl, —CH 2 -alkenyl of 3 to 9 carbon atoms, aryl of 6 to 10 carbon atoms and aralkyl of 7 to 11 carbon atoms, the ring of the aryl or aralkyl unsubstituted or substituted by a member selected from the group consisting of —OH, —NH 2 , —NO 2 , alkyl of 1 to 6 carbon atoms, alkoxy of 1 to 6 carbon atoms and one halogen, R 6 and R 7 are individually selected from the group consisting of hydrogen, alkyl of 1 to 6 carbon atoms, an aryl of 1 to 6 carbon atoms and aralkyl of 7 to 11 carbon atoms, unsubstituted or substituted by a member selected from the group consisting of carbamoyl, ureido and dimethylamino, and alkyl of 1 to 6 carbon atoms substituted by pyridyl, n′ is equal to 1 or 2, R 5 is selected from the group consisting of a —COOH, —CN, —OH, —NH 2 , —CO—NR 6 R 7 , —COOR, —OR, —OCOH, —OCOR, —OCOOR, —OCONHR, —OCONH 2 , —NHR, —NHCOH, —NHCOR, —NHSO 2 R, —NH—COOR, —NH—CO—NHR and —NHCONH 2 , R, R 6 and R 7 being as defined above; R 2 is hydrogen or —(CH 2 ) n′1 R 5 , n′ 1 being equal to 0, 1 or 2 and R 5 being as defined above; R 3 is hydrogen or alkyl of 1 to 6 carbon atoms; A represents a bond between the two carbon carriers of R 1 and R 2 n is 1; X is —C(O)—B— attached to the nitrogen atom by the carbon atom, B is —O—(CH 2 ) n″ — attached to the carbonyl by the oxygen, or —NR 8 —(CH 2 ) n″ — or —NR 8 —O— attached to the carbonyl by the nitrogen, n″ is equal to 0 and R 8 is selected from the group consisting of hydrogen, —OH, —R, —OR, —Y, —OY, —Y 1 , —OY 1 , —Y 2 , —OY 2 , —Y 3 , —OCH 2 CH 2 SO m R, —OSiR a R b R c and SiR a R b R c , R a , R b and R c are individually alkyl of 1 to 6 carbon atoms or aryl of 6 to 10 carbon atoms, R being as defined above and m being equal to 0, 1 or 2; Y is selected from the group consisting of —COH, —COR, —COOR, —CONH 2 , —CONHR, —CONHOH, —CONHSO 2 R, —CH 2 COOH, —CH 2 COOR, —CH 2 CONHOH, —CH 2 CONHCN, —CH 2 tetrazole, —CH 2 SO 3 H, —CH 2 SO 2 R, —CH 2 PO(OR) 2 , —CH 2 PO(OR)(OH), —CH 2 PO(R)(OH) and —CH 2 PO(OH) 2 , Y 1 is selected from the group consisting of the —SO 2 R, —SO 2 NHCOH, —SO 2 NHCOR, —SO 2 NHCOOR, —SO 2 NHCONHR, —SO 2 NHCONH 2 and —SO 3 H, Y 2 is selected from the group consisting of —PO(OH) 2 , —PO(OR) 2 , —PO(OH) (OR) and —PO(OH)R, Y 3 is selected from the group consisting of tetrazole, tetrazole substituted by R, squarate, —NH or —NR tetrazole, —NH and —NR tetrazole substituted by R, —NRSO 2 R and —NRSO 2 R, R being as defined above.