ITMI950250A1 - Procedimento per la preparazione di acido 3 alfa 7 beta diidrossicolanico di elevata purezza - Google Patents
Procedimento per la preparazione di acido 3 alfa 7 beta diidrossicolanico di elevata purezzaInfo
- Publication number
- ITMI950250A1 ITMI950250A1 IT95MI000250A ITMI950250A ITMI950250A1 IT MI950250 A1 ITMI950250 A1 IT MI950250A1 IT 95MI000250 A IT95MI000250 A IT 95MI000250A IT MI950250 A ITMI950250 A IT MI950250A IT MI950250 A1 ITMI950250 A1 IT MI950250A1
- Authority
- IT
- Italy
- Prior art keywords
- alpha
- beta
- preparation
- high purity
- acid
- Prior art date
Links
- NEEIOMGUTSQVRZ-WNOQBHAASA-N (4r)-4-[(8r,9s,10s,13r,14s,17r)-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1h-cyclopenta[a]phenanthren-17-yl]-2,2-dihydroxypentanoic acid Chemical compound C1CC2CCCC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@@H](CC(O)(O)C(O)=O)C)[C@@]1(C)CC2 NEEIOMGUTSQVRZ-WNOQBHAASA-N 0.000 title abstract 4
- 238000000034 method Methods 0.000 title abstract 2
- 238000002360 preparation method Methods 0.000 title abstract 2
- SMEROWZSTRWXGI-UHFFFAOYSA-N Lithocholsaeure Natural products C1CC2CC(O)CCC2(C)C2C1C1CCC(C(CCC(O)=O)C)C1(C)CC2 SMEROWZSTRWXGI-UHFFFAOYSA-N 0.000 abstract 1
- 238000009835 boiling Methods 0.000 abstract 1
- 239000012043 crude product Substances 0.000 abstract 1
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 abstract 1
- SMEROWZSTRWXGI-HVATVPOCSA-N lithocholic acid Chemical compound C([C@H]1CC2)[C@H](O)CC[C@]1(C)[C@@H]1[C@@H]2[C@@H]2CC[C@H]([C@@H](CCC(O)=O)C)[C@@]2(C)CC1 SMEROWZSTRWXGI-HVATVPOCSA-N 0.000 abstract 1
- 239000003960 organic solvent Substances 0.000 abstract 1
- 239000000047 product Substances 0.000 abstract 1
- 238000010992 reflux Methods 0.000 abstract 1
Landscapes
- Steroid Compounds (AREA)
Abstract
Procedimento per la preparazione di acido 3 alfa 7 beta diidrossicolanico a partire da un prodotto grezzo contenente fino al 15% in peso di acido 3 alfa 7 beta diidrossicolanico e fino all'1% in peso di acido 3 alfa idrossicolanico, mediante trattamento con un'ammina alifatica in un mezzo costituito da un solvente organico all'ebollizione a ricadere.Mediante elaborazione del prodotto in reazione si ottiene l'acido 3 alfa 7 beta diidrossicolanico di elevata purezza.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT95MI000250A ITMI950250A1 (it) | 1995-02-10 | 1995-02-10 | Procedimento per la preparazione di acido 3 alfa 7 beta diidrossicolanico di elevata purezza |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT95MI000250A ITMI950250A1 (it) | 1995-02-10 | 1995-02-10 | Procedimento per la preparazione di acido 3 alfa 7 beta diidrossicolanico di elevata purezza |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ITMI950250A0 ITMI950250A0 (it) | 1995-02-10 |
| ITMI950250A1 true ITMI950250A1 (it) | 1996-02-09 |
Family
ID=11370512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT95MI000250A ITMI950250A1 (it) | 1995-02-10 | 1995-02-10 | Procedimento per la preparazione di acido 3 alfa 7 beta diidrossicolanico di elevata purezza |
Country Status (1)
| Country | Link |
|---|---|
| IT (1) | ITMI950250A1 (it) |
-
1995
- 1995-02-10 IT IT95MI000250A patent/ITMI950250A1/it not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| ITMI950250A0 (it) | 1995-02-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS5690045A (en) | Alpha*alpha**di substituted amino phenylenediacetic acid | |
| ATE43334T1 (de) | Verfahren zur herstellung von n-vinylformamid. | |
| FI875596A (fi) | Foerfarande foer framstaellning av tienyletylaminer och aeven ditienyletylaminer. | |
| ATE21242T1 (de) | Verfahren zur destillativen aufarbeitung von wasser und methanol enthaltenden hoeheren alkoholen mit 6 bis 20 c-atomen. | |
| GB1353304A (en) | Process for production of diketopiperazine dihydroxamates and intermediate therefor | |
| ITMI950250A1 (it) | Procedimento per la preparazione di acido 3 alfa 7 beta diidrossicolanico di elevata purezza | |
| BR8803402A (pt) | Poliisocianatos aromaticos,processo para a sua preparacao e utilizacao | |
| ATE146185T1 (de) | 11beta-substituierte 14,17-ethanoestratriene, verfahren zur herstellung dieser verbindungen, sowie ihre verwendung zur herstellung von arzneimitteln | |
| ES483249A1 (es) | Procedimiento para la obtencion de diciclopentilen(2,2'-bis (4-alquil-6-t-butilfenoles). | |
| JPS5646888A (en) | Preparation of alkenylhalosilane | |
| ES8305747A1 (es) | Procedimiento para la obtencion de derivados del acido 1,2,5-oxadiazol-3,4-dicarboxilico. | |
| ATE12633T1 (de) | Verfahren zur herstellung von thiochlorameisensaeureestern. | |
| KR830007617A (ko) | 4-[n-(3', 4'-메틸렌디옥시벤질리덴)아미노메틸] 사이클로헥산-1-카복실산의 제조방법 | |
| AR241137A2 (es) | "procedimiento para preparar beta-metilen-2 o 3-tiofenetanamina". | |
| SU1051087A1 (ru) | Способ получени 2- @ -5-(оксигексафторизопропил)-фуранов | |
| EP0619294A4 (en) | PROCESS FOR THE PRODUCTION OF 1-PHENOXY-2-AMINOPROPANE. | |
| ATE46165T1 (de) | Verfahren zur herstellung von 7oxabicyclo(2,2,1)hept-5-en-derivaten. | |
| ATE5583T1 (de) | 4-methyl-3-formylpentensaeurealkylester, deren herstellungsverfahren, deren verwendung zur herstellung der 4-methyl-3-formyl-3-pentensaeure und die zwischenprodukte. | |
| JPS57165341A (en) | Preparation of pivaloyl chloride and benzoyl chloride | |
| SU1829361A1 (ru) | 8-метил-8-фенил-3-оксотиазолидино-[3,2-a]пиреразин или его гидрохлорид, обладающие транквилизирующим действием | |
| JPS6419063A (en) | Novel heterocyclic compound and use thereof | |
| JPS6468A (en) | Tertiary amino-alcohol compound and production of optically active secondary alcohol using said compound | |
| ES2010151A6 (es) | Procedimiento para la obtencion de 1-(acilaminoalquil)-2-imidazolinas substituidas en la posicion 2. | |
| JPS562942A (en) | Preparation of stabilized triethanolamine | |
| KR860001054A (ko) | 염산 l-노르카르니틴의 제조방법 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 0003 | Withdrawn |