Patent number: 7741325
Abstract: A compound selected from those of formula (I): wherein: B1, B2 represent carbon or nitrogen, X, Y, X1 and Y1 represent a group selected from hydrogen, halogen, hydroxy, alkoxy, nitro, cyano, trihaloalkyl and NRaRb wherein Ra and Rb are as defined in the description, R1 represents hydrogen or alkyl, R2 represents a group selected from hydrogen, alkyl, —OR?a, —NR?aR?b, —O-Ta-OR?a, —NR?a-Ta-NR?aR?b, NR?a—C(O)-TaH, —O—C(O)-TaH, —O-Ta-NRa?Rb?, —NR?a-Ta-OR?a, —NR?a-Ta-CO2R?a and —NR?a—C(O)-Ta-NR?aR?b wherein R?a, R?b, R?a and Ta are as defined in the description, R3, R4 represent hydrogen or alkyl, A represents a group of formula —CH(R5)—CH(R6)—, —CH?C(R7)—, —C(R7)?CH—, —C(O)—CH(R8)— or —CH(R8)—C(O)— wherein R5, R6, R7 and R8 are as defined in the description, its isomers, N-oxides, and addition salts thereof with a pharmaceutically acceptable acid or base, and medicinal products containing the same which are useful in the treatment of cancer.
Type:
Grant
Filed:
January 31, 2005
Date of Patent:
June 22, 2010
Inventors:
Michel Koch, François Tillequin, Sylvie Michel, John Hickman, Alain Pierre, Stéphane Leonce, Bruno Pfeiffer, Pierre Renard