发明名称 |
Apovincaminic acid ester prepn. |
摘要 |
The process comprises prodn. of vincaminic acid by hydrolysis of vincamine in alkaline medium. The acid is then reacted with ethyl bromide in alkaline medium, to give ethyl vincaminate. - This latter is dehydrated in the presence of dimethyl sulphoxide, to give ethyl apovincaminate of formula (I).
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申请公布号 |
ES8400746(A1) |
申请公布日期 |
1984.02.01 |
申请号 |
ES20090005063 |
申请日期 |
1981.10.16 |
申请人 |
ESPECIALIDADES LATINAS MEDICAMENTOS UNIVERSALES SA |
发明人 |
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分类号 |
A61K31/475;C07D461/00;(IPC1-7):07D461/00;61K31/475 |
主分类号 |
A61K31/475 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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