Purine derivative dihydrate, drugs containing the same as the active ingredient and intermediate in the production thereof
申请人:Mitsubishi Chemical Corporation
公开号:US06660745B1
公开(公告)日:2003-12-09
Dihydrate of 4-[[9-[(3-cyclopentyloxy-4-methoxy)benzyl]-6,8-dimethylpurin]-2-yl-3-oxypropyl]pyridine N-oxide, drugs containing the same and a compound useful as an intermediate in the production of this dihydrate.
Because of having a phosphodiesterase IV inhibitory effect, this dihydrate is useful as a preventive and/or remedy for asthma, chronic obstructive lung disease and/or other inflammatory diseases.
4-氢氧化物-[[9-[(3-环戊氧基-4-甲氧基)苄]-6,8-二甲基嘌呤]-2-基-3-氧基丙基]吡啶N-氧化物的二水合物,含有相同成分的药物以及作为该二水合物生产中间体的化合物。由于具有磷酸二酯酶IV抑制作用,该二水合物可用作预防和/或治疗哮喘、慢性阻塞性肺病和/或其他炎症性疾病。