Trans-2-(3,4,5-trimethoxyphenyl)-5-(5,6-dimethoxy-3-pyridyl)-tetrahydrothiophene, a PAF-antagonist
申请人:Merck & Co., Inc.
公开号:EP0217204A1
公开(公告)日:1987-04-08
2,5-Diaryl tetrahydrothiophenes of formula:
or a sulfoxide or sulfone thereof are disclosed wherein R and R¹ independently are
(a) hydrogen;
(b) lower alkyl or cycloalkyl of l-6 carbon atoms;
(c) haloloweralkyl;
(d) halo;
(e) COOH;
(f) CONR²R³ wherein R² and R³ independently represent C1-6 alkyl and hydrogen;
(g) COOR²;
(h) loweralkenyl;
(i) COR²;
(j) -CH₂OR²;
(k) loweralkynyl;
(l) -CH₂NR²R³;
(m) -CH₂SR²;
(n) =O; or
(o) -OR²;
Ar and Arl are the same or different from each other and are
(a) phenyl or substituted phenyl of formula
where R⁴-R⁸ independently
represent H, RO-, RS-, R²SO, R²SO₂-, CF₃O-, CF₃S-, CF₃SO-, CF₃SO₂-, R²R³N-, -NR²-COR³, -OCONH₂, -OCH₂CO₂R², -SO₂NR²R³, -CO₂R², CONR²R³, -CR²R³R⁴, -NR²SO₂R³, COR², NO₂, or CN or R⁴-R⁵, R⁵-R⁶, R⁶-R⁷ and R⁷-R⁸ are joined together forming a bridge;
(b) pyrryl or substituted pyrryl;
(c) furyl or substituted furyl;
(d) pyridyl or substituted pyridyl;
(e) thiophene or substituted thiophene;
(f) cyclohexyl or substituted cyclohexyl; or
(g) pyrimidyl or substituted pyrimidyl salts thereof.
These compounds are found to be leukotriene inhibitors and potent and specific PAF (Platelet Activating Factor) antagonists.
式中的 2,5-二芳基四氢噻吩:
或其亚砜或砜,其中 R 和 R¹ 分别是
(a) 氢
(b) 含 l-6 个碳原子的低级烷基或环烷基;
(c) 卤代低烷基
(d) 卤
(e) COOH
(f) CONR²R³ 其中 R² 和 R³ 独立地代表 C1-6 烷基和氢;
(g) COOR²;
(h) 低级烯基
(i) COR²
(j) -CH₂OR²;
(k) 低炔基
(l) -CH₂NR²R³;
(m) -CH₂SR²;
(n) =O;或
(o) -OR²;
Ar 和 Arl 彼此相同或不同,并且是
(a) 式中的苯基或取代苯基
其中 R⁴-R⁸ 独立地
代表 H、RO-、RS-、R²SO、R²SO₂-、CF₃O-、CF₃S-、CF₃SO、CF₃SO₂-、R²R³N-、-NR²-COR³、-OCONH₂、-OCH₂CO₂R²、-SO₂NR²R³、-CO₂R²、CONR²R³、-CR²R³R⁴、-NR²SO₂R³、COR²、NO₂ 或 CN 或 R⁴-R⁵、R⁵-R⁶、R⁶-R⁷ 和 R⁷-R⁸ 连接在一起形成桥;
(b) 吡咯基或取代的吡咯基;
(c) 呋喃基或取代的呋喃基
(d) 吡啶基或取代的吡啶基
(e) 噻吩或取代的噻吩
(f) 环己基或取代环己基;或
(g) 嘧啶或取代的嘧啶盐。
这些化合物是白三烯抑制剂和强效特异性 PAF(血小板活化因子)拮抗剂。