Tetracyclic cyclic gmp-specific phosphodiesterase inhibitors for the treatment of benign prostatic hypertrophy
申请人:ICOS Corporation
公开号:EP2327408A1
公开(公告)日:2011-06-01
A compound of formula (1) and salts and solvates thereof, in which: R0 represents hydrogen, halogen, or Cl-6alkyl; R1 represents hydrogen, C1-6-alkyl, C2-6alkenyl, C2-6alkynyl, haloC1-6alkyl, C3-8cycloalkyl, C3-8cyloalkylcl-3alkyl, arylC1-3alkyl, or heteroarylcl-3alkyl; R2 represents an optionally substituted monocyclic aromatic ring selected from benzene, thiophene, furan, and pyridine, or an optionally substituted bicyclic ring (a) attached to the rest of the molecule via one of the benzene ring carbon atoms, and wherein the fused ring (A) is a 5- or 6-membered ring which may be saturated or partially or fully unsaturated, and comprises carbon atoms and optionally one or two heteroatoms selected from oxygen, sulphur, and nitrogen; and R3 represents hydrogen or Cl-alkyl, or R1 and R3 together represent a 3- or 4-membered alkyl or alkenyl chain. A compound of formula (I) is a potent and selective inhibitor of cyclic guanosine 3', 5'-monophosphate specific phosphodiesterase (cGMP specific PDE) having a utility in a variety of therapeutic areas where such inhibition is beneficial, including the treatment of benign prostatic hypertrophy.
式(1)化合物及其盐和溶剂,其中:R0 代表氢、卤素或 Cl-6 烷基;R1 代表氢、C1-6-烷基、C2-6-烯基、C2-6-炔基、卤代 C1-6 烷基、C3-8-环烷基、C3-8-环烷基环 3 烷基、芳基 C1-3 烷基或杂芳基环 3 烷基;R2 代表任选取代的单环芳香环,选自苯、噻吩、呋喃和吡啶,或任选取代的双环 (a),通过其中一个苯环碳原子连接到分子的其余部分,其中融合环 (A) 是 5 或 6 元环,可以是饱和环或部分或完全不饱和环,包括碳原子和任选选自氧、硫和氮的一个或两个杂原子;R3 代表氢或 Cl-烷基,或 R1 和 R3 共同代表 3 或 4 元烷基或烯基链。式(I)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)的强效选择性抑制剂,可用于多种治疗领域,包括治疗良性前列腺肥大。