发明授权
- 专利标题: Process for the preparation of ketone compounds
- 专利标题(中): 酮类化合物的制备方法
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申请号: US793422申请日: 1991-12-11
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公开(公告)号: US5235109A公开(公告)日: 1993-08-10
- 发明人: Gyorgy Lanyi , Tamas Kallay , Laszlo Ledniczky , Lajos Imrei , Eva Somfai , Tibor Montay , Robert Gepesz , Valeria Denes nee Lustig , Laszlo rvai
- 申请人: Gyorgy Lanyi , Tamas Kallay , Laszlo Ledniczky , Lajos Imrei , Eva Somfai , Tibor Montay , Robert Gepesz , Valeria Denes nee Lustig , Laszlo rvai
- 申请人地址: HUX Budapest
- 专利权人: Chinoin Gyogyszer- Es Vegyeszeti Termekek Gyara RT
- 当前专利权人: Chinoin Gyogyszer- Es Vegyeszeti Termekek Gyara RT
- 当前专利权人地址: HUX Budapest
- 主分类号: C07C45/46
- IPC分类号: C07C45/46 ; C07C20060101 ; C07C45/45 ; C07C45/68 ; C07C49/825 ; C07C49/83 ; C07C49/84
摘要:
The invention relates to an improved, large scale process for the preparation of compounds of formula (I) ##STR1## wherein R is halogen atom or hydroxyl,R.sup.2 is hydrogen atom or hydroxyl,R.sup.3 and R.sup.4 are hydrogen or alkoxy having 1-6 carbon atoms.
公开/授权文献
- US5950183A Cause inferring device 公开/授权日:1999-09-07