PIPERIDINE-2, 6-DIONE DERIVATIVES AND THEIR USE AS TUMOR NECROSIS FACTOR INHIBITORS
申请人:ZHANG Hesheng
公开号:US20080051432A1
公开(公告)日:2008-02-28
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; R
1
represents from one to four of the same or different substituents selected from F, Cl, Br, C
1-4
alkyl, OH, OC
1-4
alkyl, NO
2
, NHC(O)C
1-4
alkyl, NH
2
, NH(C
1-4
alkyl), N(C
1-4
alkyl)
2
; R
2
represents OR
3
, NR
3
R
4
, N(R
3
)COR
4
, O
2
CR
5
; R
3
and R
4
represent independently and at each occurrence H or C
1-4
alkyl; R
5
represents CHR
6
NR
7
R
8
, CHR
6
NR
9
C(O)CHR
10
NR
7
R
8
, a heterocycle W or CHR
6
NR
9
C(O)W; R
6
, R
9
, R
10
represent independently and at each occurrence H, or C
1-4
alkyl; R
7
and R
8
represent independently and at each occurrence H, C
1-4
alkyl, or R
7
and R
8
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.
这项发明涉及哌啶-2,6-二酮的衍生物,或其有机或无机盐,以及这些衍生物的合成方法,以及它们作为细胞中TNFα释放抑制剂的活性药用成分的应用,其中哌啶-2,6-二酮的衍生物为通式(I):
其中n代表1、2、3、4、5或6;R1代表从一个到四个相同或不同的取代基,所选自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代表OR3、NR3R4、N(R3)COR4、O2CR5;R3和R4独立地且在每次出现时代表H或C1-4烷基;R5代表CHR6NR7R8、CHR6NR9C(O)CHR10NR7R8、杂环W或CHR6NR9C(O)W;R6、R9、R10独立地且在每次出现时代表H,或C1-4烷基;R7和R8独立地且在每次出现时代表H、C1-4烷基,或R7和R8一起代表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代表四元、五元、六元、七元或八元饱和或不饱和杂环。