[EN] N-(3,5-DICHLOROPYRIDIN-4-YL)-2,4,5-ALKOXY AND 2,3,4-ALKOXY BENZAMIDE DERIVATIVES AS PDE-IV (PHOPHODIESTERASE TYPE-IV) INHIBITORS FOR THE TREATMENT OF INFLAMMATORY DISEASES SUCH AS ASTHMA<br/>[FR] DERIVES DE BENZAMIDE N-(3,5-DICHLOROPYRIDINE-4-YLE)-2,4,5-ALCOXY ET 2,3,4 ALCOXY EN TANT QU'INHIBITEURS DE PDE-IV (PHOSPHODIESTERASE DE TYPE IV) POUR TRAITER DES MALADIES INFLAMMATOIRES TELLES QUE L'ASTHME
申请人:RANBAXY LAB LTD
公开号:WO2006040645A1
公开(公告)日:2006-04-20
The present invention relates to benzamide derivatives, which can be used as selective inhibitors of phosphodiesterase (PDE) type IV, having the structure of Formula (I), its pharmaceutically acceptable salts, pharmaceutically acceptable solvates, enantiomers, diastereomers of N-oxides wherein R1 is hydrogen, alkyl, alkenyl, alkynyl, aryl, cycloalkyl, heteroaryl, heterocyclyl, aralkyl, heterocyclylalkyl, heteroarylalkyl or cycloalkylalkyl; R2 is aryl, heteroaryl, heterocyclyl of cycloalkyl; and R3 is alkyl, alkenyl, alkynyl, aryl, cycloalkyl, heteroaryl, heterocyclyl, aralkyl, heterocyclylalkyl, heteroarylalkyl or cycloalkylalkyl. Compounds disclosed herein can be useful in the treatment of inflammatory diseases, AIDS, asthma, arthritis, bronchitis, chronic obstructer pulmonary disease (COPD), psoriasis, allergic rhinitis, shock, atopic dermatitis, Crohn’ s disease, adult respiratory distress syndrome (ARDS), eosinophilic granuloma, allergic conjunctivitis, osteoarthritis and ulcerative colitis.
本发明涉及苯甲酰胺衍生物,可用作选择性磷酸二酯酶(PDE)Ⅳ型抑制剂,其具有式(I)的结构,其药学上可接受的盐、药学上可接受的溶剂化合物、N-氧化物的对映体、顺反异构体,其中R1为氢、烷基、烯烃基、炔烃基、芳基、环烷基、杂芳基、杂环烷基、芳基烷基、杂环烷基烷基、杂芳基烷基或环烷基烷基;R2为芳基、杂芳基、杂环烷基或环烷基;R3为烷基、烯烃基、炔烃基、芳基、环烷基、杂芳基、杂环烷基、芳基烷基、杂环烷基烷基、杂芳基烷基或环烷基烷基。本文中披露的化合物可用于治疗炎症性疾病、艾滋病、哮喘、关节炎、支气管炎、慢性阻塞性肺病(COPD)、牛皮癣、过敏性鼻炎、休克、特应性皮炎、克罗恩病、成人呼吸窘迫综合征(ARDS)、嗜酸性肉芽肿、过敏性结膜炎、骨关节炎和溃疡性结肠炎。