ES8601127A1 - Nootropic agent prepn. - Google Patents
Nootropic agent prepn.Info
- Publication number
- ES8601127A1 ES8601127A1 ES537842A ES537842A ES8601127A1 ES 8601127 A1 ES8601127 A1 ES 8601127A1 ES 537842 A ES537842 A ES 537842A ES 537842 A ES537842 A ES 537842A ES 8601127 A1 ES8601127 A1 ES 8601127A1
- Authority
- ES
- Spain
- Prior art keywords
- prepn
- nootropic agent
- carried out
- solvent
- nootropic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The process comprises reaction of 4-amino-3-hydroxybutyrate of methyl with a halogenoacetimide of the cpd. formed. The acid reaction is carried out in an inert solvent such as acetone in the presence of e.g. potassium carbonate at ambient temp. The cyclising is carried out in a solvent such as xylene at between 100 and 200 deg.C.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES537842A ES8601127A1 (en) | 1984-11-21 | 1984-11-21 | Nootropic agent prepn. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES537842A ES8601127A1 (en) | 1984-11-21 | 1984-11-21 | Nootropic agent prepn. |
Publications (2)
Publication Number | Publication Date |
---|---|
ES537842A0 ES537842A0 (en) | 1985-10-16 |
ES8601127A1 true ES8601127A1 (en) | 1985-10-16 |
Family
ID=8488171
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES537842A Expired ES8601127A1 (en) | 1984-11-21 | 1984-11-21 | Nootropic agent prepn. |
Country Status (1)
Country | Link |
---|---|
ES (1) | ES8601127A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105330581A (en) * | 2014-08-07 | 2016-02-17 | 重庆东泽医药科技发展有限公司 | Preparation method for (S)-oxiracetam |
CN105439936A (en) * | 2014-08-07 | 2016-03-30 | 重庆东泽医药科技发展有限公司 | Oxiracetam preparation method |
-
1984
- 1984-11-21 ES ES537842A patent/ES8601127A1/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105330581A (en) * | 2014-08-07 | 2016-02-17 | 重庆东泽医药科技发展有限公司 | Preparation method for (S)-oxiracetam |
CN105439936A (en) * | 2014-08-07 | 2016-03-30 | 重庆东泽医药科技发展有限公司 | Oxiracetam preparation method |
Also Published As
Publication number | Publication date |
---|---|
ES537842A0 (en) | 1985-10-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 20000403 |