发明名称 |
UN PROCEDIMIENTO PARA LA PREPARACION DE ESTERES DEL ACIDO APOVINCAMINICO RACEMICO U OPTICAMENTE ACTIVOS |
摘要 |
<p>Apovincaminic acid esters of the general formula (I> <IMAGE> (wherein R<1> and R<2> independently represent alkyl groups having from 1 to 6 carbon atoms) may be prepared by reacting a hydroxyamino-E-homo- eburnane of the general formula (II> <IMAGE> (wherein R<1> and R<2> are as defined above) or an acid addition salt thereof with an organic sulfonic acid, in an aprotic organic solvent. The compounds of the general formula (I) are useful pharmaceuticals.</p> |
申请公布号 |
ES505325(D0) |
申请公布日期 |
1982.08.16 |
申请号 |
ES19250005053 |
申请日期 |
1981.09.09 |
申请人 |
RICHTER GEDEON VEGYESZETI GYAR R.T. |
发明人 |
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分类号 |
A61K31/4375;A61K31/475;C07D461/00;C07D471/22;(IPC1-7):07D461/00;61K31/475 |
主分类号 |
A61K31/4375 |
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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