发明授权
US5476848A 14B(R) isomers of novel tetracyclic compounds having anti-allergic and
anti-asthmatic activities, and their use
失效
具有抗过敏和抗哮喘活性的新型四环化合物的14B（R）异构体及其用途
- 专利标题： 14B(R) isomers of novel tetracyclic compounds having anti-allergic and anti-asthmatic activities, and their use
- 专利标题（中）： 具有抗过敏和抗哮喘活性的新型四环化合物的14B（R）异构体及其用途
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申请号： US197208申请日： 1994-02-16
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公开(公告)号： US5476848A公开(公告)日： 1995-12-19
- 发明人: Hiroshi Fukumi , Toshiaki Sakamoto , Mitsuo Sugiyama , Yoshio Iizuka , Takeshi Yamaguchi
- 申请人： Hiroshi Fukumi , Toshiaki Sakamoto , Mitsuo Sugiyama , Yoshio Iizuka , Takeshi Yamaguchi
- 申请人地址： JPX Tokyo
- 专利权人： Sankyo Company, Limited
- 当前专利权人： Sankyo Company, Limited
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX1-260592 19891005; JPX2-81513 19900329; JPX3-275125 19911023
- 主分类号： C07D471/14
- IPC分类号： C07D471/14 ; C07D487/04 ; C07D487/14 ; A61K31/55
摘要：
An optically active compound of formula (I): ##STR1## in which R.sup.3 represents groups of formula --A--COOR.sup.4, whereinA represents alkylene groups having 3 or 5 carbon atoms andR.sup.4 represents hydrogen or an alkyl group having 1 to 4 carbon atoms; or a pharmaceutically acceptable salt thereof.
公开/授权文献
- US4960549A Process for preparing polyamide-imide foam 公开/授权日：1990-10-02