Piperidine-2, 6-dione derivatives and their use as tumor necrosis factor inhibitors
申请人:Tianjin Hemay Bio-Tech Co., Ltd.
公开号:US09085563B2
公开(公告)日:2015-07-21
This invention is directed to derivatives of piperidine-2,6-dione, or their organic or inorganic salts thereof, a methods of synthesis of these derivatives, and their application as active pharmaceutical ingredient as inhibitors of TNFα releasing in cells, the derivative of piperidine-2,6-dione being of the general formula (I):
wherein n represents 1, 2, 3, 4, 5 or 6; R1 represents from one to four of the same or different substituents selected from F, Cl, Br, C1-4 alkyl, OH, OC1-4 alkyl, NO2, NHC(O)C1-4 alkyl, NH2, NH(C1-4 alkyl), N(C1-4 alkyl)2; R2 represents OR3, NR3R4, N(R3)COR4, O2CR5; R3 and R4 represent independently and at each occurrence H or C1-4 alkyl; R5 represents CHR6NR7R8, CHR6NR9C(O)CHR10NR7R8, a heterocycle W or CHR6NR9C(O)W; R6, R9, R10 represent independently and at each occurrence H, or C1-4 alkyl; R7 and R8 represent independently and at each occurrence H, C1-4 alkyl, or R7 and R8 taken together represent 1,3-propylene, 1,4-butylene, 1,5-pentylene, or 1,6-hexylene; W represents four-membered, five-membered, six-membered, seven-membered, or eight-membered saturated or unsaturated heterocycle.
本发明涉及吡啶二酮衍生物或其有机或无机盐的衍生物,以及这些衍生物的合成方法和它们作为活性药物成分在细胞中抑制TNFα释放的应用,其中吡啶二酮衍生物的一般式为(I):其中n代表1、2、3、4、5或6;R1表示从1到4个相同或不同的取代基,所选取代基包括F、Cl、Br、C1-4烷基、OH、OC1-4烷基、NO2、NHC(O)C1-4烷基、NH2、NH(C1-4烷基)、N(C1-4烷基)2;R2表示OR3、NR3R4、N(R3)COR4、O2CR5;R3和R4在每次出现时独立地表示H或C1-4烷基;R5表示CHR6NR7R8、CHR6NR9C(O)CHR10NR7R8、杂环W或CHR6NR9C(O)W;R6、R9、R10在每次出现时独立地表示H或C1-4烷基;R7和R8在每次出现时独立地表示H、C1-4烷基,或者R7和R8在一起表示1,3-丙二烯基、1,4-丁二烯基、1,5-戊二烯基或1,6-己二烯基;W表示四元、五元、六元、七元或八元饱和或不饱和杂环。