Pyrazolopyrimidinones which inhibit type 5 cyclic guanosine 3′,5′—monophosphate phosphodiesterase (cGMP PDE5) for the treatment of sexual dysfunction
申请人:Pfizer Inc
公开号:US06723719B1
公开(公告)日:2004-04-20
Compounds of formulae (IA) and (IB) or pharmaceutically or veterinarily acceptable salts thereof, or pharmaceutically or veterinarily acceptable solvates of either entity, wherein R1 is C1 to C3 alkyl substituted with C3 to C6 cycloalkyl, CONR5R6 or a N-linked heterocyclic group; (CH2)nHet or (CH2)nAr; R2 is C1 to C6 alkyl; R3 is C1 to C6 alkyl optionally substituted with C1 to C4 alkoxy; R4 is SO2NR7R8; R5 and R6 are each independently selected from H and C1 to C4 alkyl optionally substituted with C1 to C4 alkoxy, or, together with the nitrogen atom to which they are attached, form a 5- or 6-membered heterocyclic group; R7 and R8, together with the nitrogen atom to which they are attached, form a 4-R10-piperazinyl group; R10 is H or C1 to C4 alkyl optionally substituted with OH, C1 to C4 alkoxy or CONH2; H is an optionally substituted C-linked 5- or 6-membered heterocyclic group; Ar is optionally substituted phenyl; and n is 0 or 1; are potent and selective cGMP PDE5 inhibitors useful in the treatment of, inter alia, male erectile dysfunction and female sexual dysfunction.
化合物的公式(IA)和(IB)或其药理学或兽医学上可接受的盐,或者两者中的任一实体的药理学或兽医学上可接受的溶剂,其中R1是C1到C3烷基,取代为C3到C6环烷基,CONR5R6或N-连接的杂环基团;(CH2)nHet或(CH2)nAr;R2是C1到C6烷基;R3是C1到C6烷基,可选择地取代为C1到C4烷氧基;R4是SO2NR7R8;R5和R6分别独立选择自H和C1到C4烷基,可选择地取代为C1到C4烷氧基,或者与它们所连接的氮原子一起形成5-或6-成员杂环基团;R7和R8,与它们所连接的氮原子一起形成4-R10-哌嗪基团;R10是H或C1到C4烷基,可选择地取代为OH,C1到C4烷氧基或CONH2;H是可选择地取代的C-连接的5-或6-成员杂环基团;Ar是可选择地取代的苯基;n为0或1;是在治疗男性勃起功能障碍和女性性功能障碍等方面有用的有效且选择性的cGMP PDE5抑制剂。