发明授权
US5686612A Methods of making ureas and guanidines, including terazosin, prazosin,
doxazosin, tiodazosin, trimazosin, quinazosin, and bunazosin (exemplary
of 2-substituted quinazoline compounds), and meobentine, and
bethanidine and intermediates thereof
失效
制造脲类和胍类的方法,包括特拉唑嗪,哌唑嗪,多沙唑嗪,替沙星,三甲氧唑嗪,喹唑啉和布氮唑嗪(2-取代喹唑啉化合物的示例)和meobentine以及其中间体
- 专利标题: Methods of making ureas and guanidines, including terazosin, prazosin, doxazosin, tiodazosin, trimazosin, quinazosin, and bunazosin (exemplary of 2-substituted quinazoline compounds), and meobentine, and bethanidine and intermediates thereof
- 专利标题(中): 制造脲类和胍类的方法,包括特拉唑嗪,哌唑嗪,多沙唑嗪,替沙星,三甲氧唑嗪,喹唑啉和布氮唑嗪(2-取代喹唑啉化合物的示例)和meobentine以及其中间体
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申请号: US453093申请日: 1995-05-30
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公开(公告)号: US5686612A公开(公告)日: 1997-11-11
- 发明人: Khashayar Karimian , Keshava Murthy , Darren Hall
- 申请人: Khashayar Karimian , Keshava Murthy , Darren Hall
- 申请人地址: CAX Brantford
- 专利权人: Brantford Chemicals Inc.
- 当前专利权人: Brantford Chemicals Inc.
- 当前专利权人地址: CAX Brantford
- 优先权: CAX2077252 19920831
- 主分类号: C07D271/10
- IPC分类号: C07D271/10 ; C07D271/113 ; C07D295/215 ; C07D307/24 ; C07D319/20 ; C07D405/12 ; C07D413/12 ; C07D403/02 ; C07D403/06
摘要:
Novel methods for the synthesis of substituted ureas and guanidines including Terazosin, Prazosin, Doxazosin, Tiodazosin, Trimazosin, Quinasin and Bunazosin (exemplary of 2-amino substituted Quinazolines), Meobentine and Bethanidine and novel intermediates suitable for use in such methods of synthesis are taught.
公开/授权文献
- US5017837A Indicator lamp system 公开/授权日:1991-05-21
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