申请人:NIPPON SHINYAKU COMPANY, LIMITED
公开号:EP0753525A1
公开(公告)日:1997-01-15
The object of the present invention is to provide useful cyclic nucleotide derivatives, for example, as an antidementia drug, an antiarrhythmic drug, a therapeutic drug for bronchial asthma or an antiinflammatory agent.
The invention relates to cyclic nucleotide derivatives of the following general formula [I] and the pharmaceutically acceptable salts thereof.
wherein R1 represents hydroxy, amino, or -NR11R12 in which R11 and R12 may be the same or different and each represents alkyl; R2 represents hydrogen, amino, or hydroxy; R3 represents hydrogen, halogen, alkyl, hydroxy or mercapto; R4 represents hydrogen, hydroxy, acyloxy or alkoxy; R5 represents alkyl or aryl; R6 represents hydrogen, halogen or alkyl.
本发明的目的是提供有用的环核苷酸衍生物,例如作为抗痴呆药物、抗心律失常药物、支气管哮喘治疗药物或抗炎剂。
本发明涉及以下通式[I]的环核苷酸衍生物及其药学上可接受的盐类。
其中R1代表羟基、氨基或-NR11R12,其中R11和R12可以相同或不同,各自代表烷基;R2代表氢、氨基或羟基;R3代表氢、卤素、烷基、羟基或巯基;R4代表氢、羟基、酰氧基或烷氧基;R5代表烷基或芳基;R6代表氢、卤素或烷基。