5H-THIOENO(3,4-c)PYRROLE-4,6-DIONE DERIVATIVES AND THEIR USE AS TUMOR NECROSIS FACTOR INHIBITORS
申请人:ZHANG Hesheng
公开号:US20080176900A1
公开(公告)日:2008-07-24
Taught are derivatives of 5H-thioeno(3,4-
c
)pyrrole-4,6-dione, their organic, and inorganic salts, methods of synthesis of these derivatives, and their application as active pharmaceutical-ingredients useful as inhibitors of TNFα, the derivative being represented by the general formula (I):
in which R
1
represents H, C
1-6
alkyl, OR
4
, OC(O)R
5
, NO
2
, NHC(O)R
6
, or NR
7
R
8
; R
2
represents H, a halogen, or C
1-6
alkyl; R
3
represents H, methyl, isopropyl, allyl, benzyl, CH
2
CO
2
(C
1-6
alkyl), or CH
2
(CH
2
)
n
R
9
; R
4
, R
5
, R
6
, R
7
, and R
8
each independently and at each occurrence represents H, or C
1-6
alkyl; R
9
represents H, C
1-6
alkyl, OH, OC
1-6
alkyl, NH
2
, NHC
1-6
alkyl, N(C
1-6
alkyl)
2
, or CO
2
(C
1-6
alkyl); and n represents 1, 2, 3, or 4.
本发明涉及5H-噻烯[3,4-c]吡咯-4,6-二酮的衍生物,它们的有机盐和无机盐,这些衍生物的合成方法,以及它们作为抑制TNFα的活性药物成分的应用,所述衍生物由通式(I)表示:
其中R1代表H,C1-6烷基,OR4,OC(O)R5,NO2,NHC(O)R6或NR7R8;R2代表H,卤素或C1-6烷基;R3代表H,甲基,异丙基,烯丙基,苄基,CH2CO2(C1-6烷基)或CH2(CH2)nR9;R4、R5、R6、R7和R8每个独立地并且在每次出现时代表H或C1-6烷基;R9代表H,C1-6烷基,OH,OC1-6烷基,NH2,NHC1-6烷基,N(C1-6烷基)2或CO2(C1-6烷基);n代表1、2、3或4。