DE2129941A1 - Steroide und Verfahren zu ihrer Herstellung - Google Patents
Steroide und Verfahren zu ihrer HerstellungInfo
- Publication number
- DE2129941A1 DE2129941A1 DE19712129941 DE2129941A DE2129941A1 DE 2129941 A1 DE2129941 A1 DE 2129941A1 DE 19712129941 DE19712129941 DE 19712129941 DE 2129941 A DE2129941 A DE 2129941A DE 2129941 A1 DE2129941 A1 DE 2129941A1
- Authority
- DE
- Germany
- Prior art keywords
- groups
- group
- steroid
- starting material
- amide
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 44
- 150000003431 steroids Chemical class 0.000 title claims description 15
- 238000004519 manufacturing process Methods 0.000 title description 3
- -1 alkali metal amide Chemical class 0.000 claims description 16
- 125000000217 alkyl group Chemical group 0.000 claims description 14
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical group C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 12
- 229910052783 alkali metal Inorganic materials 0.000 claims description 12
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 9
- 125000004043 oxo group Chemical group O=* 0.000 claims description 9
- XHFXMNZYIKFCPN-UHFFFAOYSA-N perchloryl fluoride Chemical compound FCl(=O)(=O)=O XHFXMNZYIKFCPN-UHFFFAOYSA-N 0.000 claims description 9
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 8
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 6
- 150000001408 amides Chemical class 0.000 claims description 6
- 125000003118 aryl group Chemical group 0.000 claims description 6
- 125000004432 carbon atom Chemical group C* 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 150000002148 esters Chemical class 0.000 claims description 6
- 150000007857 hydrazones Chemical class 0.000 claims description 6
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 6
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 6
- 125000001931 aliphatic group Chemical group 0.000 claims description 5
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 5
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 5
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 4
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 claims description 4
- 238000005837 enolization reaction Methods 0.000 claims description 4
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 4
- 125000002950 monocyclic group Chemical group 0.000 claims description 4
- 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 3
- 150000001340 alkali metals Chemical group 0.000 claims description 3
- 150000002170 ethers Chemical class 0.000 claims description 3
- 238000003682 fluorination reaction Methods 0.000 claims description 3
- 229910052731 fluorine Inorganic materials 0.000 claims description 3
- GNOIPBMMFNIUFM-UHFFFAOYSA-N hexamethylphosphoric triamide Chemical compound CN(C)P(=O)(N(C)C)N(C)C GNOIPBMMFNIUFM-UHFFFAOYSA-N 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 229910052708 sodium Inorganic materials 0.000 claims description 3
- 239000011734 sodium Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- AVQQQNCBBIEMEU-UHFFFAOYSA-N 1,1,3,3-tetramethylurea Chemical compound CN(C)C(=O)N(C)C AVQQQNCBBIEMEU-UHFFFAOYSA-N 0.000 claims description 2
- 125000000094 2-phenylethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])C([H])([H])* 0.000 claims description 2
- 239000005711 Benzoic acid Substances 0.000 claims description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 2
- 125000004423 acyloxy group Chemical group 0.000 claims description 2
- 239000000010 aprotic solvent Substances 0.000 claims description 2
- 235000010233 benzoic acid Nutrition 0.000 claims description 2
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 2
- 150000004292 cyclic ethers Chemical class 0.000 claims description 2
- 125000004122 cyclic group Chemical group 0.000 claims description 2
- 125000004185 ester group Chemical group 0.000 claims description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 2
- 125000001153 fluoro group Chemical group F* 0.000 claims description 2
- 125000005843 halogen group Chemical group 0.000 claims description 2
- FFUAGWLWBBFQJT-UHFFFAOYSA-N hexamethyldisilazane Chemical group C[Si](C)(C)N[Si](C)(C)C FFUAGWLWBBFQJT-UHFFFAOYSA-N 0.000 claims description 2
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 2
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 2
- 150000002641 lithium Chemical group 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 2
- 229910052700 potassium Inorganic materials 0.000 claims description 2
- 239000011591 potassium Substances 0.000 claims description 2
- 235000019260 propionic acid Nutrition 0.000 claims description 2
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 2
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 claims description 2
- 150000003349 semicarbazides Chemical class 0.000 claims description 2
- 239000012453 solvate Substances 0.000 claims description 2
- 150000003462 sulfoxides Chemical class 0.000 claims description 2
- 125000005106 triarylsilyl group Chemical group 0.000 claims description 2
- JSPLKZUTYZBBKA-UHFFFAOYSA-N trioxidane Chemical compound OOO JSPLKZUTYZBBKA-UHFFFAOYSA-N 0.000 claims description 2
- 239000007858 starting material Substances 0.000 claims 9
- 125000003710 aryl alkyl group Chemical group 0.000 claims 2
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 claims 1
- 239000002253 acid Substances 0.000 claims 1
- 125000004429 atom Chemical group 0.000 claims 1
- PBGGNZZGJIKBMJ-UHFFFAOYSA-N di(propan-2-yl)azanide Chemical compound CC(C)[N-]C(C)C PBGGNZZGJIKBMJ-UHFFFAOYSA-N 0.000 claims 1
- 239000007789 gas Substances 0.000 claims 1
- 125000005597 hydrazone group Chemical group 0.000 claims 1
- 229910052744 lithium Inorganic materials 0.000 claims 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims 1
- 125000000026 trimethylsilyl group Chemical group [H]C([H])([H])[Si]([*])(C([H])([H])[H])C([H])([H])[H] 0.000 claims 1
- 239000005977 Ethylene Substances 0.000 description 12
- 239000002585 base Substances 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 7
- 239000003153 chemical reaction reagent Substances 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 239000011541 reaction mixture Substances 0.000 description 5
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- ZCSHNCUQKCANBX-UHFFFAOYSA-N lithium diisopropylamide Chemical compound [Li+].CC(C)[N-]C(C)C ZCSHNCUQKCANBX-UHFFFAOYSA-N 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- SMBZJSVIKJMSFP-UHFFFAOYSA-N trifluoromethyl hypofluorite Chemical compound FOC(F)(F)F SMBZJSVIKJMSFP-UHFFFAOYSA-N 0.000 description 2
- 238000010626 work up procedure Methods 0.000 description 2
- WEKPZANTGINQKM-UZMNJIODSA-N (8S,9S,10R,13S,14S,17R)-17-acetyl-16-hydroxy-10,13-dimethyl-2,6,7,8,9,12,14,15,16,17-decahydro-1H-cyclopenta[a]phenanthrene-3,11-dione Chemical compound OC1[C@@H]([C@]2(CC([C@@H]3[C@]4(CCC(C=C4CC[C@H]3[C@@H]2C1)=O)C)=O)C)C(C)=O WEKPZANTGINQKM-UZMNJIODSA-N 0.000 description 1
- WNXJIVFYUVYPPR-UHFFFAOYSA-N 1,3-dioxolane Chemical group C1COCO1 WNXJIVFYUVYPPR-UHFFFAOYSA-N 0.000 description 1
- YCLWEYIBFOLMEM-FNLRALKVSA-N 17,21-dihydroxy-5beta-pregnane-3,11,20-trione Chemical compound C1C(=O)CC[C@]2(C)[C@H]3C(=O)C[C@](C)([C@@](CC4)(O)C(=O)CO)[C@@H]4[C@@H]3CC[C@@H]21 YCLWEYIBFOLMEM-FNLRALKVSA-N 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 159000000032 aromatic acids Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- CHIHQLCVLOXUJW-UHFFFAOYSA-N benzoic anhydride Chemical compound C=1C=CC=CC=1C(=O)OC(=O)C1=CC=CC=C1 CHIHQLCVLOXUJW-UHFFFAOYSA-N 0.000 description 1
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- RKHQGWMMUURILY-UHRZLXHJSA-N cortivazol Chemical group C([C@H]1[C@@H]2C[C@H]([C@]([C@@]2(C)C[C@H](O)[C@@H]1[C@@]1(C)C2)(O)C(=O)COC(C)=O)C)=C(C)C1=CC1=C2C=NN1C1=CC=CC=C1 RKHQGWMMUURILY-UHRZLXHJSA-N 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- UAOMVDZJSHZZME-UHFFFAOYSA-N diisopropylamine Chemical class CC(C)NC(C)C UAOMVDZJSHZZME-UHFFFAOYSA-N 0.000 description 1
- 150000004862 dioxolanes Chemical class 0.000 description 1
- FGRVOLIFQGXPCT-UHFFFAOYSA-L dipotassium;dioxido-oxo-sulfanylidene-$l^{6}-sulfane Chemical compound [K+].[K+].[O-]S([O-])(=O)=S FGRVOLIFQGXPCT-UHFFFAOYSA-L 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- AXCBHWGTRNNXKG-UHFFFAOYSA-N fluorochlorane oxide Chemical compound FCl=O AXCBHWGTRNNXKG-UHFFFAOYSA-N 0.000 description 1
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- AFRJJFRNGGLMDW-UHFFFAOYSA-N lithium amide Chemical class [Li+].[NH2-] AFRJJFRNGGLMDW-UHFFFAOYSA-N 0.000 description 1
- YNESATAKKCNGOF-UHFFFAOYSA-N lithium bis(trimethylsilyl)amide Chemical compound [Li+].C[Si](C)(C)[N-][Si](C)(C)C YNESATAKKCNGOF-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- ZKQNRRLCBJUEBC-UHFFFAOYSA-N oxo-[[1-[[4-(oxoazaniumylmethylidene)pyridin-1-yl]methyl]pyridin-4-ylidene]methyl]azanium;dibromide Chemical group [Br-].[Br-].C1=CC(=C[NH+]=O)C=CN1CN1C=CC(=C[NH+]=O)C=C1 ZKQNRRLCBJUEBC-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000003389 potentiating effect Effects 0.000 description 1
- XOFYZVNMUHMLCC-ZPOLXVRWSA-N prednisone Chemical compound O=C1C=C[C@]2(C)[C@H]3C(=O)C[C@](C)([C@@](CC4)(O)C(=O)CO)[C@@H]4[C@@H]3CCC2=C1 XOFYZVNMUHMLCC-ZPOLXVRWSA-N 0.000 description 1
- 229960004618 prednisone Drugs 0.000 description 1
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical compound O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- FZHAPNGMFPVSLP-UHFFFAOYSA-N silanamine Chemical class [SiH3]N FZHAPNGMFPVSLP-UHFFFAOYSA-N 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- WRIKHQLVHPKCJU-UHFFFAOYSA-N sodium bis(trimethylsilyl)amide Chemical compound C[Si](C)(C)N([Na])[Si](C)(C)C WRIKHQLVHPKCJU-UHFFFAOYSA-N 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- UJTRRNALUYKHQE-UHFFFAOYSA-N sodium;diphenylmethylbenzene Chemical compound [Na+].C1=CC=CC=C1[C-](C=1C=CC=CC=1)C1=CC=CC=C1 UJTRRNALUYKHQE-UHFFFAOYSA-N 0.000 description 1
- 150000003457 sulfones Chemical class 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000004809 thin layer chromatography Methods 0.000 description 1
- 125000003944 tolyl group Chemical group 0.000 description 1
- 125000004665 trialkylsilyl group Chemical group 0.000 description 1
Classifications
-
- 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2943770 | 1970-06-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2129941A1 true DE2129941A1 (de) | 1971-12-30 |
Family
ID=10291548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712129941 Pending DE2129941A1 (de) | 1970-06-17 | 1971-06-16 | Steroide und Verfahren zu ihrer Herstellung |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3728337A (OSRAM) |
| CA (1) | CA929155A (OSRAM) |
| CH (1) | CH576998A5 (OSRAM) |
| DE (1) | DE2129941A1 (OSRAM) |
| FR (1) | FR2096326A5 (OSRAM) |
| GB (1) | GB1325005A (OSRAM) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1532232A (en) * | 1975-05-22 | 1978-11-15 | Res Inst For Med & Chem Inc | Electrophilic fluorination of steroids |
-
1970
- 1970-06-17 GB GB2943770A patent/GB1325005A/en not_active Expired
-
1971
- 1971-06-09 US US00150842A patent/US3728337A/en not_active Expired - Lifetime
- 1971-06-14 CH CH865671A patent/CH576998A5/xx not_active IP Right Cessation
- 1971-06-15 FR FR7121623A patent/FR2096326A5/fr not_active Expired
- 1971-06-16 DE DE19712129941 patent/DE2129941A1/de active Pending
- 1971-06-16 CA CA115782A patent/CA929155A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3728337A (en) | 1973-04-17 |
| FR2096326A5 (OSRAM) | 1972-02-11 |
| CH576998A5 (OSRAM) | 1976-06-30 |
| GB1325005A (en) | 1973-08-01 |
| CA929155A (en) | 1973-06-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2707336C2 (OSRAM) | ||
| DE2906017A1 (de) | 13-alkyl(oder aryl)-thio-11,17-epoxy- 17-methyl-18-norandrostene und verfahren zu ihrer herstellung | |
| DE2913147A1 (de) | 3-acetoxy-9 beta , 11 beta -oxido- pregna-1,3,5-triene und -3,5-diene, verfahren zu deren herstellung und deren umwandlung in 6 alpha -halogen-1,4-pregna- dien-3-one und -4-pregnen-3-one | |
| DE2129941A1 (de) | Steroide und Verfahren zu ihrer Herstellung | |
| DE1200813B (de) | Verfahren zur Herstellung von 6-Fluorsteroiden der Androstan- oder Pregnanreihe bzw. von entsprechenden 19-Norverbindungen | |
| DE1793600A1 (de) | Verfahren zur Herstellung von Steroidverbindungen | |
| DE2754759C2 (de) | 3α-Hydroxy-5β-cholest-24-en | |
| EP0034248A1 (de) | Neue mehrfach ungesättigte BNC-Halogenide und Verfahren zu ihrer Herstellung | |
| DE1162361B (de) | Verfahren zur Herstellung von 6 alpha-Fluor-4-3-keto-steroiden der Androstan- oder Pregnanreihe | |
| DE964677C (de) | Verfahren zur Herstellung von Allopregnanen | |
| EP0040355B1 (de) | Verfahren zur partiellen Reduktion von C21-Steroidcarbonsäuren und ihren Estern zu C21-Steroidalkoholen | |
| EP0041612B1 (de) | Verfahren zur Herstellung von 20-Carbonyl-Steroiden durch Abbau von Steroid-C22-Carbonsäuren | |
| DE1568972C (de) | Pregna 1,4 dien 9alpha, 1 lbeta dichlor 3,20 dion eckige Klammer auf 17alpha, 16 alpha d eckige Klammer zu 2'methyloxazoline | |
| AT395427B (de) | Verfahren zur herstellung von neuen androstancarbothioaten | |
| AT391703B (de) | Verfahren zur herstellung von 16alpha- und 16beta-methyl-9alpha-chlor- oder -fluor-17-mono- und 17,21-diestern der prednisolonserie | |
| AT362888B (de) | Verfahren zur herstellung von neuen estern von androstadien-17-carbonsaeuren | |
| DE1593378A1 (de) | Verfahren zum Hydrolysieren eines steroidalen cyclischen Acetales oder Ketales | |
| JPH0656882A (ja) | Δ9(11)−ステロイド化合物の新製造法 | |
| DE961534C (de) | Verfahren zur Herstellung von in 4-Stellung halogenierten 3-Ketosteroiden | |
| DE1300941B (de) | Verfahren zur Herstellung von delta 4-3-Ketonandrosten- oder -pregnenverbindungen | |
| DE1115246B (de) | Verfahren zur Herstellung von therapeutisch wirksamen Steroidverbindungen | |
| DE3117529A1 (de) | "verfahren zum abbau der c-20-carboxylgruppe in (delta)4- und gegebenenfalls weitere doppelbindungen enthaltenden bnc-verbindungen sowie neue c-21-steroide" | |
| DD202439A5 (de) | Verfahren zur herstellung von acyloxysteroiden | |
| CH622270A5 (en) | Process for the preparation of polyhalosteroids | |
| DE1078572B (de) | Verfahren zur Herstellung neuer Allosteroide |