ES8504171A1 - Prepn. of keto-glutarate(s) of eburnamenine cpds. - Google Patents
Prepn. of keto-glutarate(s) of eburnamenine cpds.Info
- Publication number
- ES8504171A1 ES8504171A1 ES526954A ES526954A ES8504171A1 ES 8504171 A1 ES8504171 A1 ES 8504171A1 ES 526954 A ES526954 A ES 526954A ES 526954 A ES526954 A ES 526954A ES 8504171 A1 ES8504171 A1 ES 8504171A1
- Authority
- ES
- Spain
- Prior art keywords
- eburnamenine
- keto
- prepn
- cpds
- glutarate
- 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
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
Abstract
Alpha-ketoglutarates of methyl 14,15-dihydro 17,18-dehydro-14-a/b-hydroxy 3,16-eburnamenine 14-carboxylate and of methyl 14,15-dihydro 14alpha/beta-hydroxy 3a,16a-eburnamenine 14-carboxylate of formula (I) are prepd. by reacting the esters with an aq. or organic soln. of alpha-keto glutaric acid.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES526954A ES526954A0 (en) | 1983-10-31 | 1983-10-31 | PROCEDURE FOR THE PREPARATION OF -CETOGLUTARATES OF 14,15-DIHIDRO-17,18-DEHIDRO-14 NB-HIDROXI- (3, 16) -EBURNAMENINE-14-CARBOXYLATE OF METHYL AND 14,15-DIHYDRO-14 NB- HYDROXY- (3, 16) -EBURNAMENINE-14-METHYL CARBOXYLATE |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES526954A ES526954A0 (en) | 1983-10-31 | 1983-10-31 | PROCEDURE FOR THE PREPARATION OF -CETOGLUTARATES OF 14,15-DIHIDRO-17,18-DEHIDRO-14 NB-HIDROXI- (3, 16) -EBURNAMENINE-14-CARBOXYLATE OF METHYL AND 14,15-DIHYDRO-14 NB- HYDROXY- (3, 16) -EBURNAMENINE-14-METHYL CARBOXYLATE |
Publications (2)
Publication Number | Publication Date |
---|---|
ES8504171A1 true ES8504171A1 (en) | 1985-04-16 |
ES526954A0 ES526954A0 (en) | 1985-04-16 |
Family
ID=8486408
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES526954A Granted ES526954A0 (en) | 1983-10-31 | 1983-10-31 | PROCEDURE FOR THE PREPARATION OF -CETOGLUTARATES OF 14,15-DIHIDRO-17,18-DEHIDRO-14 NB-HIDROXI- (3, 16) -EBURNAMENINE-14-CARBOXYLATE OF METHYL AND 14,15-DIHYDRO-14 NB- HYDROXY- (3, 16) -EBURNAMENINE-14-METHYL CARBOXYLATE |
Country Status (1)
Country | Link |
---|---|
ES (1) | ES526954A0 (en) |
-
1983
- 1983-10-31 ES ES526954A patent/ES526954A0/en active Granted
Also Published As
Publication number | Publication date |
---|---|
ES526954A0 (en) | 1985-04-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 20000403 |