| abstract |
Styryl benzylsulfones of formula (I) and their pharmaceutically acceptable salts that are useful as antiproliferative agents, including, for example, anticancer agents are disclosed, wherein: (a) (i) at least three of R1, R2, R3, R4 and R5 are halogen, C1-C6 alkyl, C1-C6 alkoxy, nitro, cyano, carboxyl, hydroxyl, phosphonato, amino, sulfamyl, acetoxy, dimethylamino(C2-C6 alkoxy) and trifluoromethyl; (ii) R3 is hydrogen, halogen, C1-C6 alkyl, C1-C6 alkoxy, cyano, carboxyl, hydroxyl, phosphonato, amino, sulfamyl, acetoxy, dimethylamino(C2-C6 alkoxy) and trifluoromethyl provided at least three of R1, R2, R3, R4 and R5 are other than hydrogen; and (iii) R6, R7, R8, R9, and R10 are hydrogen, halogen, C1-C6 alkyl, C1-C6 alkoxy, nitro, cyano, carboxyl, hydroxyl, phosphonato, amino, sulfamyl, acetoxy, dimethylamino(C2-C6 alkoxy) and trifluoromethyl; or (b) (i) at least three of R6, R7, R8, R9, and R10 are halogen, C1-C6 alkyl, C1-C6 alkoxy, nitro, cyano, carboxyl, hydroxyl, phosphonato, amino, sulfamyl, acetoxy, dimethylamino(C2-C6 alkoxy) and trifluoromethyl, and the balance of the R6, R7, R8, R9, and R10 are hydrogen, halogen, C1-C6 alkyl, C1-C6 alkoxy, nitro, cyano, carboxyl, hydroxyl, phosphonato, amino, sulfamyl, acetoxy, dimethylamino(C2-C6 alkoxy) and trifluoromethyl; and (ii) R1, R2, R3, R4 and R5 are hydrogen, halogen, C1-C6 alkyl, C1-C6 alkoxy, nitro, cyano, carboxyl, hydroxyl, phosphonato, amino, sulfamyl, acetoxy, dimethylamino(C2-C6 alkoxy) and trifluoromethyl. |