| 发明名称 |
VERFAHREN ZUR HERSTELLUNG VON 5-HYDROXYDIPRAFENON UND SEINER SALZE MIT SAEUREN. |
| 摘要 |
(A) 2-(2-hydroxy-3-(1,1-dimethyl propylamino)propoxy)-5-benzyloxy-beta- phenylpropiophenone of formula (I) is new: (B) Prodn. of 5-hydroxydiprafenon of formula (II) or its acid-addn. salts is effected by hydrogenating (I) in the presence of a Pd/C catalyst and opt. treating the prod. with an acid:
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| 申请公布号 |
DE3773188(D1) |
申请公布日期 |
1991.10.24 |
| 申请号 |
DE19873773188 |
申请日期 |
1987.03.26 |
| 申请人 |
HELOPHARM PETRIK CO KG |
发明人 |
PETRIK GERD;SCHUBERT KLEMENS |
| 分类号 |
B01J23/44;A61K31/13;A61K31/135;B01J27/138;C07B61/00;C07C;C07C209/68;C07C213/00;C07C213/02;C07C217/00;C07C217/36;C07C217/48;C07C217/54;C07C217/64;C07C225/02;C07C225/16;(IPC1-7):C07C217/00 |
主分类号 |
B01J23/44 |
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