申请人:LABORATOIRES GLAXO SA
公开号:EP0636626A1
公开(公告)日:1995-02-01
Pyrazolo[3,4-d]pyrimidin-4-one derivatives of formula (I)
and salts and solvates thereof are described, in which:
R¹ represents arylmethyl or C₁₋₆alkyl optionally substituted by one or more fluorine atoms;
R² represents methyl;
R³ represents C₂₋₄alkyl;
R⁴ represents nitro, cyano, C₁₋₆alkoxy, C(=X)NR⁶R⁷, NR⁸R⁹, (CH₂)mNR¹⁰C(=Y)R¹¹ or a 5-membered heterocyclic ring selected from thienyl, thiazolyl and 1,2,4-triazolyl each ring optionally substituted by a C₁₋ ₄alkyl or aryl group; or when R¹ is arylmethyl or C₁₋₆alkyl substituted by one or more fluorine atoms then R⁴ may also represent hydrogen;
R⁵ represents hydrogen or C₁₋₆alkyl;
R⁶ represents hydrogen or C₁₋₆alkyl;
R⁷ represents hydrogen, amino, hydroxyl, C₁₋₆alkyl, aryl or arylC₁₋₄alkyl;
R⁸ represents hydrogen or C₁₋₆alkyl;
R⁹ represents hydrogen, C₁₋₆alkyl, SO₂R¹², CO₂R¹², C(=NCN)SR¹² or C(=NCN)NR¹³R¹⁴;
R¹⁰ represents hydrogen or C₁₋₆alkyl;
R¹¹ represents C₁₋₆alkyl optionally substituted by one or more halogen atoms, or R¹¹ represents aryl, arylC₁₋₄alkyl, thienyl, NR¹⁵R¹⁶, CH₂NR¹⁷R¹⁸ or R¹⁰ and R¹¹ together represent -A(CH₂)n-;
R¹² represents C₁₋₆alkyl, aryl or arylC₁₋₄alkyl;
R¹³ represents hydrogen or C₁₋₆alkyl;
R¹⁴ represents hydrogen, C₁₋₆alkyl, aryl, arylC₁₋₄alkyl or R¹³ and R¹⁴ together with the nitrogen atom to which they are attached form a morpholine, piperazine or N-C₁₋₄alkylpiperazine ring;
R¹⁵ represents hydrogen or C₁₋₆alkyl or R¹⁰ and R¹⁵ together represent -A(CH₂)n-;
R¹⁶ represents hydrogen, C₁₋₆alkyl, aryl, arylC₁₋₄alkyl, CO₂R¹², CH₂CO₂R¹² or R¹⁵ and R¹⁶ together with the nitrogen atom to which they are attached form a morpholine, piperazine or N-C₁₋₄alkylpiperazine ring;
R¹⁷ represents hydrogen or C₁₋₆alkyl;
R¹⁸ represents hydrogen, C₁₋₆alkyl, aryl, arylC₁₋₄alkyl, COR¹² or R¹⁷ and R¹⁸ together with the nitrogen atom to which they are attached form a morpholine, piperazine or N-C₁₋₄alkylpiperazine ring;
A represents CH₂ or C=O;
m represents zero or 1;
n represents 1,2 or 3;
X represents S or NH, or when R⁷ represents amino then X may also represent O;
Y represents O or S; for use in therapy.
These compounds are potent and selective inhibitors of cyclic guanosine 3',5'-monophosphate specific phosphodiesterase (cGMP specific PDE) and are useful in a variety of therapeutic areas, including the treatment of cardiovascular disorders.
描述了式(I)的吡唑并[3,4-d]嘧啶-4-酮衍生物及其盐和溶剂化合物,其中:R¹代表芳基甲基或C₁₋₆烷基,可选择性地取代一个或多个氟原子;R²代表甲基;R³代表C₂₋₄烷基;R⁴代表硝基、氰基、C₁₋₆烷氧基、C(=X)NR⁶R⁷、NR⁸R⁹、(CH₂)mNR¹⁰C(=Y)R¹¹或选择自噻吩基、噻唑基和1,2,4-三唑基的5-成员杂环环,每个环可选择性地取代为C₁₋₄烷基或芳基;或当R¹为芳基甲基或C₁₋₆烷基取代一个或多个氟原子时,R⁴也可以代表氢;R⁵代表氢或C₁₋₆烷基;R⁶代表氢或C₁₋₆烷基;R⁷代表氢、氨基、羟基、C₁₋₆烷基、芳基或芳基C₁₋₄烷基;R⁸代表氢或C₁₋₆烷基;R⁹代表氢、C₁₋₆烷基、SO₂R¹²、CO₂R¹²、C(=NCN)SR¹²或C(=NCN)NR¹³R¹⁴;R¹⁰代表氢或C₁₋₆烷基;R¹¹代表C₁₋₆烷基,可选择性地取代一个或多个卤原子,或R¹¹代表芳基、芳基C₁₋₄烷基、噻吩基、NR¹⁵R¹⁶、CH₂NR¹⁷R¹⁸或R¹⁰和R¹¹一起代表-A(CH₂)n-;R¹²代表C₁₋₆烷基、芳基或芳基C₁₋₄烷基;R¹³代表氢或C₁₋₆烷基;R¹⁴代表氢、C₁₋₆烷基、芳基、芳基C₁₋₄烷基或R¹³和R¹⁴与它们连接的氮原子一起形成吗啡啉、哌嗪或N-C₁₋₄烷基哌嗪环;R¹⁵代表氢或C₁₋₆烷基或R¹⁰和R¹⁵一起代表-A(CH₂)n-;R¹⁶代表氢、C₁₋₆烷基、芳基、芳基C₁₋₄烷基、CO₂R¹²、CH₂CO₂R¹²或R¹⁵和R¹⁶与它们连接的氮原子一起形成吗啡啉、哌嗪或N-C₁₋₄烷基哌嗪环;R¹⁷代表氢或C₁₋₆烷基;R¹⁸代表氢、C₁₋₆烷基、芳基、芳基C₁₋₄烷基、COR¹²或R¹⁷和R¹⁸与它们连接的氮原子一起形成吗啡啉、哌嗪或N-C₁₋₄烷基哌嗪环;A代表CH₂或C=O;m代表零或1;n代表1,2或3;X代表S或NH,或当R⁷代表氨基时,X也可以代表O;Y代表O或S;用于治疗。这些化合物是环鸟苷3',5'-单磷酸特异性磷酸二酯酶(cGMP特异性PDE)的有效和选择性抑制剂,并在多种治疗领域中有用,包括治疗心血管疾病。