ES400871A1 - Procedure for the preparation of trienic steroid derivatives (Machine-translation by Google Translate, not legally binding) - Google Patents
Procedure for the preparation of trienic steroid derivatives (Machine-translation by Google Translate, not legally binding)Info
- Publication number
- ES400871A1 ES400871A1 ES0400871A ES400871A ES400871A1 ES 400871 A1 ES400871 A1 ES 400871A1 ES 0400871 A ES0400871 A ES 0400871A ES 400871 A ES400871 A ES 400871A ES 400871 A1 ES400871 A1 ES 400871A1
- Authority
- ES
- Spain
- Prior art keywords
- gone
- seco
- diene
- hydroxy
- carbon atoms
- 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
- Steroid Compounds (AREA)
Abstract
Process for preparing tricyclic steroid derivatives of the general formula: ** (see formula) ** Wherein r represents an alkyl radical having 1 to 4 carbon atoms, x represents a hydrocarbon radical, saturated or unsaturated, substituted or unsubstituted, having 1 to 6 carbon atoms, or a cycloalkyl radical which has from 3 to 6 carbon atoms, characterized in that a 3,5,17-trienium-13β -r-4,5-seco-gone-9,11-diene is selectively catalysed at positions 3 and 5, per action of ethylene glycol in the presence of an acid catalyst to obtain 3,5-bis-ethylenedioxy-13 β -r-17-oxo-4,5-seco-gone-9,11-diene corresponding, this compound is subjected to the action of an organometallic reagent whose organic radical is x, to obtain 3,5-bis-ethylenedioxy- 13 β -x-17 β -hydroxy-4,5-seco-gone-9,11-diene, from which the ketal functions are hydrolyzed in acidic medium, and 3,5-dioxo-13 β is cyclized -r -17α -x-17β -hydroxy-4,5-seco-gone-9,11-diene resulting, by action of a basic agent, to obtain 3-oxo-13 β -r-17α -x-17 β -hydroxy-gone-4,9,11-triene desired. (Machine-translation by Google Translate, not legally binding)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES0400871A ES400871A1 (en) | 1972-03-17 | 1972-03-17 | Procedure for the preparation of trienic steroid derivatives (Machine-translation by Google Translate, not legally binding) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES0400871A ES400871A1 (en) | 1972-03-17 | 1972-03-17 | Procedure for the preparation of trienic steroid derivatives (Machine-translation by Google Translate, not legally binding) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES400871A1 true ES400871A1 (en) | 1975-01-16 |
Family
ID=59033445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES0400871A Expired ES400871A1 (en) | 1972-03-17 | 1972-03-17 | Procedure for the preparation of trienic steroid derivatives (Machine-translation by Google Translate, not legally binding) |
Country Status (1)
| Country | Link |
|---|---|
| ES (1) | ES400871A1 (en) |
-
1972
- 1972-03-17 ES ES0400871A patent/ES400871A1/en not_active Expired
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