申请人:Roussel Uclaf
公开号:US04145419A1
公开(公告)日:1979-03-20
Novel imidazobenzoxazines of the formula ##STR1## wherein X is selected from the group consisting of hydrogen, nitro, NH.sub.2 and a protected amino Z is selected from the group consisting of --COOR, and ##STR2## R is selected from the group consisting of hydrogen, alkyl of 1 to 5 carbon atoms, ##STR3## alkali metal, alkaline earth metal, magnesium, aluminum and nitrogen bases, n is 1,2 or 3, R.sub.1 and R.sub.2 individually are selected from the group consisting of hydrogen and alkyl of 1 to 5 carbon atoms and taken together with the nitrogen atom to which they are attached form a saturated heterocyclic ring of 4 to 6 carbon atoms optionally interrupted by another heteroatom which may optionally be substituted with alkyl of 1 to 5 carbon atoms and their non-toxic, pharmaceutically acceptable acid addition salts having antiallergic and bronchodilatory activity and their preparation.
新型咪唑苯并噁嗪的化学式为##STR1##,其中X从氢、硝基、NH.sub.2和受保护的氨基Z中选择,Z从--COOR和##STR2##中选择,R从氢、1至5个碳原子的烷基、##STR3##碱金属、碱土金属、镁、铝和氮碱中选择,n为1、2或3,R.sub.1和R.sub.2分别从氢和1至5个碳原子的烷基中选择,并与它们连接的氮原子一起形成由另一个杂原子中断的4至6个碳原子的饱和杂环,该杂原子可选择性地用1至5个碳原子的烷基替代,并具有抗过敏和支气管扩张活性的非毒性、药用可接受的酸盐及其制备。