DE2236115A1 - Verfahren zur herstellung von delta hoch 4.9(11).16 -3.20diketosteroiden - Google Patents
Verfahren zur herstellung von delta hoch 4.9(11).16 -3.20diketosteroidenInfo
- Publication number
- DE2236115A1 DE2236115A1 DE2236115A DE2236115A DE2236115A1 DE 2236115 A1 DE2236115 A1 DE 2236115A1 DE 2236115 A DE2236115 A DE 2236115A DE 2236115 A DE2236115 A DE 2236115A DE 2236115 A1 DE2236115 A1 DE 2236115A1
- Authority
- DE
- Germany
- Prior art keywords
- carbon
- acetoxy
- hydrogen
- carbon atoms
- dione
- 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 12
- 238000004519 manufacturing process Methods 0.000 title description 4
- 125000004432 carbon atom Chemical group C* 0.000 claims description 7
- 239000001257 hydrogen Substances 0.000 claims description 6
- 229910052739 hydrogen Inorganic materials 0.000 claims description 6
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 5
- 239000002904 solvent Substances 0.000 claims description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 4
- 239000003513 alkali Substances 0.000 claims description 4
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- -1 alkaline earth metal salt Chemical class 0.000 claims description 3
- 125000000217 alkyl group Chemical group 0.000 claims description 3
- 238000009835 boiling Methods 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 2
- 125000002252 acyl group Chemical group 0.000 claims description 2
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052794 bromium Inorganic materials 0.000 claims description 2
- 239000000460 chlorine Substances 0.000 claims description 2
- 229910052801 chlorine Inorganic materials 0.000 claims description 2
- 150000002431 hydrogen Chemical class 0.000 claims description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims 1
- IUHFWCGCSVTMPG-UHFFFAOYSA-N [C].[C] Chemical class [C].[C] IUHFWCGCSVTMPG-UHFFFAOYSA-N 0.000 claims 1
- 229910052731 fluorine Inorganic materials 0.000 claims 1
- 239000011737 fluorine Substances 0.000 claims 1
- 229920006395 saturated elastomer Polymers 0.000 claims 1
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 33
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 22
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 18
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 18
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- SCVFZCLFOSHCOH-UHFFFAOYSA-M potassium acetate Chemical compound [K+].CC([O-])=O SCVFZCLFOSHCOH-UHFFFAOYSA-M 0.000 description 10
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 8
- 239000005457 ice water Substances 0.000 description 7
- 238000002844 melting Methods 0.000 description 6
- 230000008018 melting Effects 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 238000004587 chromatography analysis Methods 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 235000011056 potassium acetate Nutrition 0.000 description 5
- 239000002244 precipitate Substances 0.000 description 5
- 239000000741 silica gel Substances 0.000 description 5
- 229910002027 silica gel Inorganic materials 0.000 description 5
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 4
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 229910017604 nitric acid Inorganic materials 0.000 description 4
- FUFLCEKSBBHCMO-UHFFFAOYSA-N 11-dehydrocorticosterone Natural products O=C1CCC2(C)C3C(=O)CC(C)(C(CC4)C(=O)CO)C4C3CCC2=C1 FUFLCEKSBBHCMO-UHFFFAOYSA-N 0.000 description 3
- MFYSYFVPBJMHGN-ZPOLXVRWSA-N Cortisone Chemical compound O=C1CC[C@]2(C)[C@H]3C(=O)C[C@](C)([C@@](CC4)(O)C(=O)CO)[C@@H]4[C@@H]3CCC2=C1 MFYSYFVPBJMHGN-ZPOLXVRWSA-N 0.000 description 3
- MFYSYFVPBJMHGN-UHFFFAOYSA-N Cortisone Natural products O=C1CCC2(C)C3C(=O)CC(C)(C(CC4)(O)C(=O)CO)C4C3CCC2=C1 MFYSYFVPBJMHGN-UHFFFAOYSA-N 0.000 description 3
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 3
- 229960004544 cortisone Drugs 0.000 description 3
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 3
- 239000011541 reaction mixture Substances 0.000 description 3
- 229910052938 sodium sulfate Inorganic materials 0.000 description 3
- 235000011152 sodium sulphate Nutrition 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 2
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000012043 crude product Substances 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 150000003431 steroids Chemical class 0.000 description 2
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 description 2
- NQPDZGIKBAWPEJ-UHFFFAOYSA-N valeric acid Chemical compound CCCCC(O)=O NQPDZGIKBAWPEJ-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 241001528275 Eucalyptus deglupta Species 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- 239000004280 Sodium formate Substances 0.000 description 1
- 230000021736 acetylation Effects 0.000 description 1
- 238000006640 acetylation reaction Methods 0.000 description 1
- 125000003668 acetyloxy group Chemical group [H]C([H])([H])C(=O)O[*] 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000011203 carbon fibre reinforced carbon Substances 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 238000006567 deketalization reaction Methods 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 238000005907 ketalization reaction Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- CQQJGTPWCKCEOQ-UHFFFAOYSA-L magnesium dipropionate Chemical compound [Mg+2].CCC([O-])=O.CCC([O-])=O CQQJGTPWCKCEOQ-UHFFFAOYSA-L 0.000 description 1
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 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 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- HLBBKKJFGFRGMU-UHFFFAOYSA-M sodium formate Chemical compound [Na+].[O-]C=O HLBBKKJFGFRGMU-UHFFFAOYSA-M 0.000 description 1
- 235000019254 sodium formate Nutrition 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 229960005294 triamcinolone Drugs 0.000 description 1
- GFNANZIMVAIWHM-OBYCQNJPSA-N triamcinolone Chemical compound O=C1C=C[C@]2(C)[C@@]3(F)[C@@H](O)C[C@](C)([C@@]([C@H](O)C4)(O)C(=O)CO)[C@@H]4[C@@H]3CCC2=C1 GFNANZIMVAIWHM-OBYCQNJPSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J13/00—Normal steroids containing carbon, hydrogen, halogen or oxygen having a carbon-to-carbon double bond from or to position 17
- C07J13/005—Normal steroids containing carbon, hydrogen, halogen or oxygen having a carbon-to-carbon double bond from or to position 17 with double bond in position 16 (17)
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J41/00—Normal steroids containing one or more nitrogen atoms not belonging to a hetero ring
- C07J41/0033—Normal steroids containing one or more nitrogen atoms not belonging to a hetero ring not covered by C07J41/0005
- C07J41/005—Normal steroids containing one or more nitrogen atoms not belonging to a hetero ring not covered by C07J41/0005 the 17-beta position being substituted by an uninterrupted chain of only two carbon atoms, e.g. pregnane derivatives
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Steroid Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2236115A DE2236115A1 (de) | 1972-07-20 | 1972-07-20 | Verfahren zur herstellung von delta hoch 4.9(11).16 -3.20diketosteroiden |
DD171188A DD104294A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-07-20 | 1973-05-30 | |
CS4811A CS165958B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-07-20 | 1973-07-03 | |
AU58127/73A AU5812773A (en) | 1972-07-20 | 1973-07-16 | Process for the manufacture of 4,9(11), 16-3, 20-diketosteroids |
US00379822A US3839369A (en) | 1972-07-20 | 1973-07-16 | Process for the production of delta4,9(11),16-3,20-diketo steroids |
FR7326281A FR2193818B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-07-20 | 1973-07-18 | |
NL7310036A NL7310036A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-07-20 | 1973-07-19 | |
JP48082492A JPS4943958A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-07-20 | 1973-07-20 | |
BE133733A BE802638A (fr) | 1972-07-20 | 1973-07-20 | Procede de preparation de dioxo-3,20 steroides |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2236115A DE2236115A1 (de) | 1972-07-20 | 1972-07-20 | Verfahren zur herstellung von delta hoch 4.9(11).16 -3.20diketosteroiden |
Publications (1)
Publication Number | Publication Date |
---|---|
DE2236115A1 true DE2236115A1 (de) | 1974-02-07 |
Family
ID=5851431
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2236115A Pending DE2236115A1 (de) | 1972-07-20 | 1972-07-20 | Verfahren zur herstellung von delta hoch 4.9(11).16 -3.20diketosteroiden |
Country Status (9)
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4216159A (en) * | 1978-05-25 | 1980-08-05 | The Upjohn Company | Synthesis of 16-unsaturated pregnanes from 17-keto steroids |
DE2929558C2 (de) * | 1979-07-18 | 1982-03-11 | Schering Ag, 1000 Berlin Und 4619 Bergkamen | Verfahren zur Herstellung von Δ↑9↑↑(↑↑1↑↑1↑↑)↑ und/oder Δ↑1↑↑6↑ ungesättigten Steroiden |
DE3109459A1 (de) * | 1981-03-09 | 1982-09-23 | Schering Ag, 1000 Berlin Und 4619 Bergkamen | (delta)(pfeil hoch)9(pfeil hoch)(pfeil hoch)((pfeil hoch)(pfeil hoch)1(pfeil hoch)(pfeil hoch)1(pfeil hoch)(pfeil hoch))(pfeil hoch)- und (delta)(pfeil hoch)1(pfeil hoch)(pfeil hoch)6(pfeil hoch)-21-chlor-20-keto-steroide der pregnan- und d-homo-pregnan-reihe, verfahren zu ihrer herstellung und ihre verwendung als zwischenprodukte fuer die synthese von hochwirksamen corticoiden |
JPS611699A (ja) * | 1984-06-11 | 1986-01-07 | ジ アツプジヨン カンパニー | 16α‐メチル化法 |
US4990612A (en) * | 1984-06-11 | 1991-02-05 | The Upjohn Company | 16α-methylation process |
US4704455A (en) * | 1984-06-11 | 1987-11-03 | The Upjohn Company | 16α-methylatedΔ17(20)-corticoids |
US4686024A (en) * | 1985-02-01 | 1987-08-11 | The Green Cross Corporation | Novel perfluoro chemicals and polyfluorinated compounds and process for production of the same |
US5707984A (en) * | 1995-12-08 | 1998-01-13 | G. D. Searle & Co. | Steroid nitrite/nitrate ester derivatives useful as anti-inflammatory drugs |
US5824669A (en) * | 1996-03-22 | 1998-10-20 | Nitromed, Inc. | Nitrosated and nitrosylated compounds and compositions and their use for treating respiratory disorders |
US5985862A (en) * | 1996-05-02 | 1999-11-16 | G.D. Searle & Co. | Pharmaceutical compositions having steroid nitrate ester derivatives useful as anti-inflammatory drugs |
US5837698A (en) * | 1996-05-02 | 1998-11-17 | G. D. Searle & Co. | Steroid nitrite and nitrate ester derivatives useful as anti-inflammatory drugs |
CN105622699A (zh) * | 2015-12-25 | 2016-06-01 | 湖南成大生物科技有限公司 | 醋酸四烯物及其衍生物的制备方法 |
-
1972
- 1972-07-20 DE DE2236115A patent/DE2236115A1/de active Pending
-
1973
- 1973-05-30 DD DD171188A patent/DD104294A5/xx unknown
- 1973-07-03 CS CS4811A patent/CS165958B2/cs unknown
- 1973-07-16 AU AU58127/73A patent/AU5812773A/en not_active Expired
- 1973-07-16 US US00379822A patent/US3839369A/en not_active Expired - Lifetime
- 1973-07-18 FR FR7326281A patent/FR2193818B1/fr not_active Expired
- 1973-07-19 NL NL7310036A patent/NL7310036A/xx unknown
- 1973-07-20 JP JP48082492A patent/JPS4943958A/ja active Pending
- 1973-07-20 BE BE133733A patent/BE802638A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
FR2193818A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-02-22 |
AU5812773A (en) | 1975-01-16 |
FR2193818B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1976-11-12 |
CS165958B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-12-22 |
JPS4943958A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-04-25 |
US3839369A (en) | 1974-10-01 |
NL7310036A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-01-22 |
DD104294A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-03-05 |
BE802638A (fr) | 1974-01-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE2236115A1 (de) | Verfahren zur herstellung von delta hoch 4.9(11).16 -3.20diketosteroiden | |
DE964598C (de) | Verfahren zur Herstellung von 4-Pregnen-17 ª‡, 21-diol-3, 11, 20-trion-21-acetat | |
DE1668784B2 (de) | Verfahren zur herstellung von aldehyden oder ketonen durch oxydation primaerer oder sekundaerer alkohole | |
DE2264003C2 (de) | Neue Pregnansäure-Derivate, Verfahren zu ihrer Herstellung und diese enthaltende pharmazeutische Präparate | |
DE1200813B (de) | Verfahren zur Herstellung von 6-Fluorsteroiden der Androstan- oder Pregnanreihe bzw. von entsprechenden 19-Norverbindungen | |
DE2243480A1 (de) | Verfahren zur herstellung von steroiden der prednisolonreihe | |
EP0042606A1 (de) | Verfahren zur Herstellung von 17 Alpha-Hydroxy- und 17a Alpha-Hydroxy-D-homo-etiocarbonsäuren | |
CH493501A (de) | Verfahren zur Herstellung von Steroidverbindungen | |
DE1131213B (de) | Verfahren zur Herstellung neuer Pregnanverbindungen | |
DE2365102C2 (de) | Neue Pregnansäure-Derivate | |
DE2023434C3 (de) | Verfahren zur Herstellung von 16ungesättigten Steroiden | |
DE2137557C3 (de) | Verfahren zur Herstellung von Acyloxy Delta 4 androstenen bzw ostrenen | |
DE1668784C3 (de) | Verfahren zur Herstellung von Aldehyden oder Ketonen durch Oxidation primärer oder sekundärer Alkohole | |
DE961534C (de) | Verfahren zur Herstellung von in 4-Stellung halogenierten 3-Ketosteroiden | |
DE1002347C2 (de) | Verfahren zur Herstellung von in 4(5)-Stellung ungesaettigten 2-Jodsteroid-3-ketonen bzw. Steroid-3-ketonen | |
DE1162361B (de) | Verfahren zur Herstellung von 6 alpha-Fluor-4-3-keto-steroiden der Androstan- oder Pregnanreihe | |
DE2225324C3 (de) | Verfahren zur Herstellung von 6 a, 21-Difluor-20oxopregnansteroiden | |
DE1793461A1 (de) | 21-(Cyclobutyl-carbonsaeure)-ester von Steroidderivaten und Verfahren zu ihrer Herstellung | |
DE883436C (de) | Verfahren zur Herstellung eines 3, 22-Diacyloxy-bisnor-5, 7, 9 (11), 20 (22)-cholatetraenadditionsproduktes | |
DE1468443C (de) | Verfahren zur Herstellung von 16 alpha, 17 alpha-Dihydroxysteroiden der Pregnanreihe | |
DE938729C (de) | Verfahren zur Herstellung von 4-Halogen-21-acyloxy-17-oxypregnan-3, 11, 20-trionen | |
AT232657B (de) | Verfahren zur Herstellung von Enolacylaten von 16α-Alkyl-20-ketosteroiden | |
CH508611A (de) | Verfahren zur 17a-Alkylierung von 20-Ketosteroiden der Pregnanreihe | |
DE1300941B (de) | Verfahren zur Herstellung von delta 4-3-Ketonandrosten- oder -pregnenverbindungen | |
DE2011559B2 (de) | Verfahren zur herstellung von 9alpha-chlor-11beta-hydroxysteroiden |