申请人:Southern Research Institute
公开号:EP0090681A2
公开(公告)日:1983-10-05
1,2-Dihydropyrido[3,4-b]pyrazines are provided which possess anticancer activity. The compounds have the structure:
wherein x has a value of 1, 2 or 3; Y is CH2 or N(CH3); R1is a lower alkyl group; e.g., an alkyl group containing up to six carbon atoms such as methyl, ethyl, propyl, butyl, etc.; R2 is a member selected from the group consisting of hydrogen, alkyl radicals having from about one to about 12 carbon atoms, preferably from about one to about 6 carbon atoms; alkenyl radicals having from about two to about 15 carbon atoms, preferably from about two to about 10 carbon atoms; cycloalkyl radi- cads having from about three to about 20 carbon atoms, preferably from about three to about 15 carbon atoms; aralkyl and alkaryl radicals having from about six to about 20 carbon atoms, preferably from about six to about 15 carbon atoms; a halogen radical, e.g., chlorine, fluorine, bromine and iodine; a hydroxyl group; an amino group; an alkoxy or aryloxy group; an alkylthio group or an arylthio group having from about one to about 20 carbon atoms, preferably from about one to about 15 carbon atoms; a sulfonic acid group or alkyl- or arylsulfonyl group having from about one to about 20 carbon atoms, preferably from about one to about 15 carbon atoms; an alkyl- or arylsulfinyl group having from about one to about 20 carbon atoms, preferably from about one to about 15 carbon atoms; an alkyl- or aryl mono- or diamino group having from about one to about 20 carbon atoms, preferably from about one to about 15 carbon atoms; a hydrocarbyl group, such as defined above, carrying halogen, hydroxyl; amino, alkoxy or aryloxy; and, when taken together with the aromatic ring to which it is attached , a fused ring structure such as naphthyl; and R3 and R4 are either both hydrogen or one is hydrogen and the other is a lower alkyl group; provided that when each of R2, R3 and R4 are hydrogen, Y is CH2.
本研究提供了具有抗癌活性的 1,2-二氢吡啶并[3,4-b]吡嗪类化合物。这些化合物具有如下结构
其中 x 的值为 1、2 或 3;Y 为 CH2 或 N(CH3);R1 为低级烷基;例如R1 是低级烷基;例如,含有多达六个碳原子的烷基,如甲基、乙基、丙基、丁基等; R2 是选自下列化合物的成员R2 是选自以下组别的成员:氢、具有约 1 至约 12 个碳原子,最好是约 1 至约 6 个碳原子的烷基;具有约 2 至约 15 个碳原子,最好是约 2 至约 10 个碳原子的烯基;具有约 3 至约 20 个碳原子,最好是约 3 至约 15 个碳原子的环烷基;具有约 6 至约 20 个碳原子,最好是约 6 至约 15 个碳原子的芳烷基和烷芳基;卤素基,例如:氯、氟、溴、烷基、烯烷基、炔烃基、炔烃基、炔烃基、炔烃基、炔烃基、炔烃基、炔烃基、炔烃基、炔烃基、炔烃基、炔烃基、炔烃基、炔烃基、炔烃基、炔烃基、羟基;氨基;烷氧基或芳氧基;烷硫基或芳硫基,具有约 1 至约 20 个碳原子,最好是约 1 至约 15 个碳原子;磺酸基或烷基或芳基磺酰基,具有约 1 至约 20 个碳原子,最好是约 1 至约 15 个碳原子;烷基或芳基亚磺酰基,具有约 1 至约 20 个碳原子,最好是约 1 至约 15 个碳原子;具有约 1 至约 20 个碳原子,最好是约 1 至约 15 个碳原子的烷基或芳基一元或二元基团; 如上定义的烃基,带有卤素、羟基、氨基、烷氧基或芳氧基;当与所连接的芳环一起时,为融合环结构,如萘基;以及 R3 和 R4 要么都是氢,要么一个是氢,另一个是低级烷基;条件是当 R2、R3 和 R4 都是氢时,Y 为 CH2。