CH333082A - Process for the preparation of 21-acetoxy-pregnane-3,20-dione - Google Patents
Process for the preparation of 21-acetoxy-pregnane-3,20-dioneInfo
- Publication number
- CH333082A CH333082A CH333082DA CH333082A CH 333082 A CH333082 A CH 333082A CH 333082D A CH333082D A CH 333082DA CH 333082 A CH333082 A CH 333082A
- Authority
- CH
- Switzerland
- Prior art keywords
- dione
- pregnan
- pregnane
- acetoxy
- preparation
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 5
- XEKDDLIAJWEAHP-ACXPIPRDSA-N [2-[(8r,9s,10s,13s,14s,17s)-10,13-dimethyl-3-oxo-1,2,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydrocyclopenta[a]phenanthren-17-yl]-2-oxoethyl] acetate Chemical compound C1CC2CC(=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H](C(=O)COC(=O)C)[C@@]1(C)CC2 XEKDDLIAJWEAHP-ACXPIPRDSA-N 0.000 title claims description 4
- 238000002360 preparation method Methods 0.000 title claims description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 6
- SCVFZCLFOSHCOH-UHFFFAOYSA-M potassium acetate Chemical compound [K+].CC([O-])=O SCVFZCLFOSHCOH-UHFFFAOYSA-M 0.000 claims description 6
- 229910052708 sodium Inorganic materials 0.000 claims description 6
- 239000011734 sodium Substances 0.000 claims description 6
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims description 4
- 229910052740 iodine Inorganic materials 0.000 claims description 4
- 239000011630 iodine Substances 0.000 claims description 4
- XMRPGKVKISIQBV-BJMCWZGWSA-N 5alpha-pregnane-3,20-dione Chemical compound C([C@@H]1CC2)C(=O)CC[C@]1(C)[C@@H]1[C@@H]2[C@@H]2CC[C@H](C(=O)C)[C@@]2(C)CC1 XMRPGKVKISIQBV-BJMCWZGWSA-N 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- 238000003776 cleavage reaction Methods 0.000 claims description 3
- WYACBZDAHNBPPB-UHFFFAOYSA-N diethyl oxalate Chemical compound CCOC(=O)C(=O)OCC WYACBZDAHNBPPB-UHFFFAOYSA-N 0.000 claims description 3
- 230000026045 iodination Effects 0.000 claims description 3
- 238000006192 iodination reaction Methods 0.000 claims description 3
- 235000011056 potassium acetate Nutrition 0.000 claims description 3
- 230000007017 scission Effects 0.000 claims description 3
- XMRPGKVKISIQBV-CVHNGYJVSA-N 5-α-pregnan-3,20-dione Chemical compound C1CC2CC(=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H](C(=O)C)[C@@]1(C)CC2 XMRPGKVKISIQBV-CVHNGYJVSA-N 0.000 claims description 2
- JWMFYGXQPXQEEM-GCOKGBOCSA-N 5α-pregnane Chemical compound C([C@@H]1CC2)CCC[C@]1(C)[C@@H]1[C@@H]2[C@@H]2CC[C@H](CC)[C@@]2(C)CC1 JWMFYGXQPXQEEM-GCOKGBOCSA-N 0.000 claims 2
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 15
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 14
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- RJKFOVLPORLFTN-LEKSSAKUSA-N Progesterone Chemical compound C1CC2=CC(=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H](C(=O)C)[C@@]1(C)CC2 RJKFOVLPORLFTN-LEKSSAKUSA-N 0.000 description 4
- WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000186 progesterone Substances 0.000 description 3
- 229960003387 progesterone Drugs 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Natural products OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- XMRPGKVKISIQBV-UHFFFAOYSA-N (+-)-5- Pregnane-3,20-dione Natural products C1CC2CC(=O)CCC2(C)C2C1C1CCC(C(=O)C)C1(C)CC2 XMRPGKVKISIQBV-UHFFFAOYSA-N 0.000 description 1
- VPGRYOFKCNULNK-ACXQXYJUSA-N Deoxycorticosterone acetate Chemical compound C1CC2=CC(=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H](C(=O)COC(=O)C)[C@@]1(C)CC2 VPGRYOFKCNULNK-ACXQXYJUSA-N 0.000 description 1
- 229960000583 acetic acid Drugs 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000003470 adrenal cortex hormone Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 229960004486 desoxycorticosterone acetate Drugs 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000012362 glacial acetic acid Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- -1 oxalic acid diester Chemical class 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- JWMFYGXQPXQEEM-WZBAXQLOSA-N pregnane Chemical compound C1CC2CCCC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H](CC)[C@@]1(C)CC2 JWMFYGXQPXQEEM-WZBAXQLOSA-N 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J5/00—Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17 beta by a chain of two carbon atoms, e.g. pregnane and substituted in position 21 by only one singly bound oxygen atom, i.e. only one oxygen bound to position 21 by a single bond
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J75/00—Processes for the preparation of steroids in general
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Steroid Compounds (AREA)
Description
Verfahren zur Herstellung von 21-Acetogy-pregnan-3,20-dion Gegenstand des Hauptpatentes ist ein Verfahren zur Herstellung von Desoxy- corticosteronacetat, das dadurch gekennzeich net ist, dass man Progesteron in Gegenwart eines Natriumalkoholates mit einem Oxalsäure- diester in 21-Stellung kondensiert, auf das erhaltene Progesteron -21-oxalesternatriumen- olat Jod einwirken lässt,
das Jodierungspro- dukt einer Säurespaltung unterwirft und das gewonnene 21-Jod-progesteron mit Kalium- acetat umsetzt.
Gegenstand der vorliegenden Erfindung ist. ein Verfahren zur Herstellung von 21- Aeetoxy-pregnan- oder -allopregnan-3,20-diori, das dadurch gekennzeichnet ist, dass man Pregnan- oder Allopregnan-3,20-dion in Ge- genwart. eines Natriumalkoholat.es mit.
Oxal- säurediäthylester in 21-Stellung kondensiert, auf das erhaltene Pregnan- oder Allopregnan- 3,20-dion-21-oxaloester-natriumenolat Jod ein wirken lässt, das Jodierungsprodukt einer Säurespaltung unterwirft und die erhaltene 21-Jodverbindung mit Kaliumacetat umsetzt.
Das so erhältliche 21-Acetoxy-pregnan- 3,20-dion ist eine beispielsweise aus einer Ar beit von T. Reichstein, Helvetica Chimica Acta 23 (1940), Seite 665, bekannte Verbindung und stellt ein wertvolles Zwischenprodukt zur Herstellung pharmazeutisch wertvoller Ver- bindungen, insbesondere von Nebennieren- rindenhormonen, dar.
Beispiel 1,1.3 cm3 3,44n-methanolische Natrium- methylatlösung werden mit 8 cm3 Benzol ver setzt, unter Stickstoff bis zu einem Kristall brei eingeengt und nach Zugabe von 0,73 cm3 Oxalsäure-diäthylester gerührt, bis Lösung eingetreten ist. Dazu wird auf einmal eine Lösung von 1,05 g Pregnan-3,20-dion in einem Gemisch von 1,7 cm3 Benzol und 1,7 cm3 Äther zugefügt.
Nach 4stündigem Rühren bei 30 in Stick stoffatmosphäre werden 30 cm3 Äther zuge setzt und der ausgefallene Niederschlag des Oxalesterenolats scharf abgesaugt. Der Filter- rückstand wird gut mit Äther gewaschen und bei 40 C im Vakuiun getrocknet. Ausbeute 1,48 g.
Das Rohprodukt wird bei -20 in 18 cm3 Methanol suspendiert und mit einer Lösung von 0,73 g Jod in 18 cms absolutem Methanol versetzt. Nach 20 Minuten werden 0,9 cm3 einer 3,44n-Natriummethylatlösung zugefügt und nach weiterem 20minutigen Rühren bei -5 eine Lösung von 12 g Kochsalz in 130 cm3 Wasser zufliessen gelassen und der entstan dene Niederschlag nach dem Stehen über Nacht bei 0 abgesaugt, mit wenig Wasser ge waschen und mit einer Mischung aus 2,3 g Ka- lzuma.ceta.t,, 27,6 cm3 Wasser, 1,253,
@cm3 Eisessig und 109 cm3 Aceton 5 Stunden unter R.ück fluss gekocht.
Nach dem Abdampfen des Acetons im Va kuum wird der Rückstand mit Wasser ge waschen, mit, Äther: Benzol<B>(1:</B> 1) extrahiert, im Vakuum zur Trockne eingedampft und in Benzol/Petrolätherlösung <B>(3:2)</B> an einer Säule von saurem Aluminiumoxyd chromatogra- phiert. Die mit Benzol/Petroläther (3:
2) eluierte Fraktion ergibt nach dem Eindamp fen und Umkristallisieren aus Äther das 21- Acetoxy-pregnan-3,20-dion vom Schmelzpunkt 149-151 (korr.). Auf die gleiche Weise er- hält man aus Allopregnandion-(3,20) das 21- Acetoxy-allo-pregnan-3,20-dion.
Process for the production of 21-Acetogy-pregnan-3,20-dione The subject of the main patent is a process for the production of deoxycorticosterone acetate, which is characterized in that progesterone in the presence of a sodium alcoholate is mixed with an oxalic acid diester in the 21-position condenses, allows iodine to act on the progesterone -21-oxalester sodium enolate obtained,
subjects the iodination product to acid cleavage and converts the 21-iodine-progesterone obtained with potassium acetate.
The subject of the present invention is. a process for the preparation of 21-ethoxy-pregnan-or -allopregnan-3,20-diori, which is characterized in that pregnan-or allopregnan-3,20-dione is present. of a sodium alcoholate with.
Oxalic acid diethyl ester is condensed in the 21-position, iodine is allowed to act on the resulting pregnan or allopregnan-3,20-dione-21-oxaloester sodium enolate, the iodination product is subjected to acid cleavage and the 21-iodine compound obtained is converted with potassium acetate.
The 21-acetoxy-pregnan- 3,20-dione obtainable in this way is a compound known, for example, from a work by T. Reichstein, Helvetica Chimica Acta 23 (1940), page 665, and is a valuable intermediate for the production of pharmaceutically valuable compounds bonds, in particular of adrenal cortical hormones.
Example 1.1.3 cm3 of 3.44n-methanolic sodium methoxide solution are mixed with 8 cm3 of benzene, concentrated under nitrogen to a crystal pulp and, after adding 0.73 cm3 of diethyl oxalate, stirred until solution has occurred. To this end, a solution of 1.05 g of pregnane-3,20-dione in a mixture of 1.7 cm3 of benzene and 1.7 cm3 of ether is added all at once.
After stirring for 4 hours at 30 in a nitrogen atmosphere, 30 cm3 of ether are added and the precipitate of the oxalester enolate which has precipitated is sharply suctioned off. The filter residue is washed well with ether and dried at 40 ° C. in a vacuum. Yield 1.48g.
The crude product is suspended in 18 cm 3 of methanol at -20 and a solution of 0.73 g of iodine in 18 cm of absolute methanol is added. After 20 minutes, 0.9 cm3 of a 3.44N sodium methylate solution are added and, after stirring for a further 20 minutes at -5, a solution of 12 g of sodium chloride in 130 cm3 of water is allowed to flow in and the resulting precipitate is filtered off with suction after standing overnight at 0 Wash a little water and with a mixture of 2.3 g Kalzuma.ceta.t ,, 27.6 cm3 water, 1.253,
@ cm3 glacial acetic acid and 109 cm3 acetone boiled under reflux for 5 hours.
After the acetone has been evaporated off in vacuo, the residue is washed with water, extracted with ether: benzene (1: 1), evaporated to dryness in vacuo and dissolved in benzene / petroleum ether solution (3 : 2) </B> Chromatographed on a column of acidic aluminum oxide. Those with benzene / petroleum ether (3:
2) eluted fraction yields after evaporation and recrystallization from ether the 21-acetoxy-pregnane-3,20-dione of melting point 149-151 (corr.). In the same way, 21-acetoxy-allo-pregnane-3,20-dione is obtained from allopregnandione- (3,20).
Claims (1)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE333082X | 1951-09-28 | ||
| CH310364T | 1952-09-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH333082A true CH333082A (en) | 1958-09-30 |
Family
ID=25735700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH333082D CH333082A (en) | 1951-09-28 | 1952-09-27 | Process for the preparation of 21-acetoxy-pregnane-3,20-dione |
Country Status (1)
| Country | Link |
|---|---|
| CH (1) | CH333082A (en) |
-
1952
- 1952-09-27 CH CH333082D patent/CH333082A/en unknown
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