申请人:Jiangsu Hansen Pharmaceutical Co., Ltd.
公开号:EP1795195A1
公开(公告)日:2007-06-13
The present invention relates to derivatives of compounds (formula (I) or (II)) and their salts, wherein R1 represents lower alkyl or the lower alkyl substituted by halogen atoms, R2 represents straight-chain or branched-chain alkyl containing 1-4 carbon atoms and R3 represents hydrogen atom or alkali metals such as lithium, sodium, potassium or alkaline-earth metals such as magnesium and calcium. In the present invention, compounds with formula (I) or (II) and their derivatives or salts thereof acceptable in pharmacy and pharmacology can remarkably improve the effectiveness of anti-ulcer in alimentary tract, weakly inhibit gastric acid secretion, reduce the risk of stomach cancer and have excellent bio-availability and other in-vive pharmacokinetic characteristics.
本发明涉及化合物(式(I)或(II))及其盐的衍生物,其中R1代表较低烷基或被卤素原子取代的较低烷基,R2代表含有1-4个碳原子的直链或支链烷基,R3代表氢原子或碱金属如锂、钠、钾或碱土金属如镁和钙。在本发明中,具有式(I)或(II)的化合物及其衍生物或药学和药理学上可接受的盐可以显著提高抗溃疡在消化道中的有效性,微弱抑制胃酸分泌,降低患胃癌的风险,并具有优异的生物利用度和其他体内药代动力学特性。