DE1213404B - Verfahren zur Herstellung von 13-Alkyl-gonanverbindungen - Google Patents
Verfahren zur Herstellung von 13-Alkyl-gonanverbindungenInfo
- Publication number
- DE1213404B DE1213404B DES72616A DES0072616A DE1213404B DE 1213404 B DE1213404 B DE 1213404B DE S72616 A DES72616 A DE S72616A DE S0072616 A DES0072616 A DE S0072616A DE 1213404 B DE1213404 B DE 1213404B
- Authority
- DE
- Germany
- Prior art keywords
- hydrogen
- catalyst
- group
- hydrogenation
- methyl ether
- 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 15
- 150000001875 compounds Chemical class 0.000 title claims description 11
- 238000002360 preparation method Methods 0.000 title claims description 5
- 229910052739 hydrogen Inorganic materials 0.000 claims description 36
- 239000001257 hydrogen Substances 0.000 claims description 32
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 29
- 238000005984 hydrogenation reaction Methods 0.000 claims description 22
- 150000003431 steroids Chemical class 0.000 claims description 9
- 125000000217 alkyl group Chemical group 0.000 claims description 8
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 6
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 5
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 4
- HBAQYPYDRFILMT-UHFFFAOYSA-N 8-[3-(1-cyclopropylpyrazol-4-yl)-1H-pyrazolo[4,3-d]pyrimidin-5-yl]-3-methyl-3,8-diazabicyclo[3.2.1]octan-2-one Chemical class C1(CC1)N1N=CC(=C1)C1=NNC2=C1N=C(N=C2)N1C2C(N(CC1CC2)C)=O HBAQYPYDRFILMT-UHFFFAOYSA-N 0.000 claims description 3
- 125000004423 acyloxy group Chemical group 0.000 claims description 3
- 125000003545 alkoxy group Chemical group 0.000 claims description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 3
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 claims description 3
- 230000017105 transposition Effects 0.000 claims description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 51
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 33
- 239000003054 catalyst Substances 0.000 description 27
- 239000002904 solvent Substances 0.000 description 17
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 15
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 14
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 14
- 230000008018 melting Effects 0.000 description 13
- 238000002844 melting Methods 0.000 description 13
- 238000001704 evaporation Methods 0.000 description 12
- 230000008020 evaporation Effects 0.000 description 11
- 238000001914 filtration Methods 0.000 description 9
- 239000000203 mixture Substances 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- 238000001953 recrystallisation Methods 0.000 description 7
- NPXOKRUENSOPAO-UHFFFAOYSA-N Raney nickel Chemical compound [Al].[Ni] NPXOKRUENSOPAO-UHFFFAOYSA-N 0.000 description 6
- 229910000564 Raney nickel Inorganic materials 0.000 description 6
- 239000011347 resin Substances 0.000 description 6
- 229920005989 resin Polymers 0.000 description 6
- 238000003786 synthesis reaction Methods 0.000 description 6
- 239000003610 charcoal Substances 0.000 description 5
- 229960003399 estrone Drugs 0.000 description 5
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 4
- 239000005977 Ethylene Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 125000004432 carbon atom Chemical group C* 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- DNXHEGUUPJUMQT-UHFFFAOYSA-N (+)-estrone Natural products OC1=CC=C2C3CCC(C)(C(CC4)=O)C4C3CCC2=C1 DNXHEGUUPJUMQT-UHFFFAOYSA-N 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- -1 acetylene compound Chemical class 0.000 description 3
- 238000009903 catalytic hydrogenation reaction Methods 0.000 description 3
- 238000006257 total synthesis reaction Methods 0.000 description 3
- HXZILEQYFQYQCE-UHFFFAOYSA-N 2-methylcyclopentane-1,3-dione Chemical compound CC1C(=O)CCC1=O HXZILEQYFQYQCE-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- HPNMFZURTQLUMO-UHFFFAOYSA-N diethylamine Chemical compound CCNCC HPNMFZURTQLUMO-UHFFFAOYSA-N 0.000 description 2
- 150000002576 ketones Chemical class 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- UCUUFSAXZMGPGH-UHFFFAOYSA-N penta-1,4-dien-3-one Chemical compound C=CC(=O)C=C UCUUFSAXZMGPGH-UHFFFAOYSA-N 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 125000001424 substituent group Chemical group 0.000 description 2
- BCWWDWHFBMPLFQ-VXNCWWDNSA-N (8r,9s,13s,14s)-3-methoxy-13-methyl-7,8,9,11,12,14,15,16-octahydro-6h-cyclopenta[a]phenanthren-17-one Chemical compound C1C[C@]2(C)C(=O)CC[C@H]2[C@@H]2CCC3=CC(OC)=CC=C3[C@H]21 BCWWDWHFBMPLFQ-VXNCWWDNSA-N 0.000 description 1
- DOBUSJIVSSJEDA-UHFFFAOYSA-L 1,3-dioxa-2$l^{6}-thia-4-mercuracyclobutane 2,2-dioxide Chemical compound [Hg+2].[O-]S([O-])(=O)=O DOBUSJIVSSJEDA-UHFFFAOYSA-L 0.000 description 1
- VOXZDWNPVJITMN-ZBRFXRBCSA-N 17β-estradiol Chemical compound OC1=CC=C2[C@H]3CC[C@](C)([C@H](CC4)O)[C@@H]4[C@@H]3CCC2=C1 VOXZDWNPVJITMN-ZBRFXRBCSA-N 0.000 description 1
- XOBQNLCSYCFLQG-UHFFFAOYSA-N 3-(3-methoxyphenyl)propan-1-ol Chemical compound COC1=CC=CC(CCCO)=C1 XOBQNLCSYCFLQG-UHFFFAOYSA-N 0.000 description 1
- MCSXGCZMEPXKIW-UHFFFAOYSA-N 3-hydroxy-4-[(4-methyl-2-nitrophenyl)diazenyl]-N-(3-nitrophenyl)naphthalene-2-carboxamide Chemical compound Cc1ccc(N=Nc2c(O)c(cc3ccccc23)C(=O)Nc2cccc(c2)[N+]([O-])=O)c(c1)[N+]([O-])=O MCSXGCZMEPXKIW-UHFFFAOYSA-N 0.000 description 1
- QOXOZONBQWIKDA-UHFFFAOYSA-N 3-hydroxypropyl Chemical compound [CH2]CCO QOXOZONBQWIKDA-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
- FHDRSWJKWSQLTI-BBCBXFPWSA-N COC1CC[C@@H]2[C@]1(C)CC[C@@H]1C3=C(CC[C@@H]21)C=C(O)C=C3 Chemical compound COC1CC[C@@H]2[C@]1(C)CC[C@@H]1C3=C(CC[C@@H]21)C=C(O)C=C3 FHDRSWJKWSQLTI-BBCBXFPWSA-N 0.000 description 1
- 238000006683 Mannich reaction Methods 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- DNXHEGUUPJUMQT-CBZIJGRNSA-N Oestrone Natural products OC1=CC=C2[C@H]3CC[C@](C)(C(CC4)=O)[C@@H]4[C@@H]3CCC2=C1 DNXHEGUUPJUMQT-CBZIJGRNSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
- 239000007868 Raney catalyst Substances 0.000 description 1
- 230000000397 acetylating effect Effects 0.000 description 1
- 125000003668 acetyloxy group Chemical group [H]C([H])([H])C(=O)O[*] 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 150000001993 dienes Chemical class 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 150000002132 ergostane derivatives Chemical class 0.000 description 1
- 229930182833 estradiol Natural products 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 230000029142 excretion Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000706 filtrate Substances 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
- UACIBCPNAKBWHX-CTBOZYAPSA-N gonane Chemical compound C1CCC[C@@H]2[C@H]3CC[C@@H]4CCC[C@H]4[C@@H]3CCC21 UACIBCPNAKBWHX-CTBOZYAPSA-N 0.000 description 1
- 229940088597 hormone Drugs 0.000 description 1
- 239000005556 hormone Substances 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 150000002430 hydrocarbons Chemical group 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- GRVDJDISBSALJP-UHFFFAOYSA-N methyloxidanyl Chemical compound [O]C GRVDJDISBSALJP-UHFFFAOYSA-N 0.000 description 1
- SFDZETWZUCDYMD-UHFFFAOYSA-N monosodium acetylide Chemical compound [Na+].[C-]#C SFDZETWZUCDYMD-UHFFFAOYSA-N 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000000707 stereoselective effect Effects 0.000 description 1
- 239000003270 steroid hormone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J1/00—Normal steroids containing carbon, hydrogen, halogen or oxygen, not substituted in position 17 beta by a carbon atom, e.g. estrane, androstane
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C217/00—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton
- C07C217/54—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups bound to carbon atoms of at least one six-membered aromatic ring and amino groups bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings of the same carbon skeleton
- C07C217/56—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups bound to carbon atoms of at least one six-membered aromatic ring and amino groups bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings of the same carbon skeleton with amino groups linked to the six-membered aromatic ring, or to the condensed ring system containing that ring, by carbon chains not further substituted by singly-bound oxygen atoms
- C07C217/62—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups bound to carbon atoms of at least one six-membered aromatic ring and amino groups bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings of the same carbon skeleton with amino groups linked to the six-membered aromatic ring, or to the condensed ring system containing that ring, by carbon chains not further substituted by singly-bound oxygen atoms linked by carbon chains having at least three carbon atoms between the amino groups and the six-membered aromatic ring or the condensed ring system containing that ring
-
- 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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Steroid Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB589860A GB991592A (en) | 1960-02-19 | 1960-02-19 | Tetracyclic aromatic diene ketones of use as intermediates in synthesis of steroids and d-homo-steroids |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1213404B true DE1213404B (de) | 1966-03-31 |
Family
ID=9804693
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DES72616A Pending DE1213404B (de) | 1960-02-19 | 1961-02-18 | Verfahren zur Herstellung von 13-Alkyl-gonanverbindungen |
| DES72615A Pending DE1235908B (de) | 1960-02-19 | 1961-02-18 | Verfahren zur Herstellung von tetracyclischen Dienketonen |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DES72615A Pending DE1235908B (de) | 1960-02-19 | 1961-02-18 | Verfahren zur Herstellung von tetracyclischen Dienketonen |
Country Status (6)
-
1960
- 1960-02-19 GB GB589860A patent/GB991592A/en not_active Expired
-
1961
- 1961-02-15 DK DK62961A patent/DK105023C/da active
- 1961-02-16 CH CH185161A patent/CH431516A/de unknown
- 1961-02-17 SE SE166361A patent/SE311651B/xx unknown
- 1961-02-17 AT AT132161A patent/AT256349B/de active
- 1961-02-18 DE DES72616A patent/DE1213404B/de active Pending
- 1961-02-18 DE DES72615A patent/DE1235908B/de active Pending
Non-Patent Citations (1)
| Title |
|---|
| None * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE1235908B (de) | 1967-03-09 |
| SE311651B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1969-06-23 |
| CH431516A (de) | 1967-03-15 |
| GB991592A (en) | 1965-05-12 |
| AT256349B (de) | 1967-08-10 |
| DK105023C (da) | 1966-08-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE1793732C3 (de) | Verfahren zur Herstellung von 17-(Acyloxy- oder Alkoxy)-polyungesättigten Gonan- oder 8-Isogonanderivaten. Ausscheidung aus: 1593382 | |
| DE2160066A1 (de) | Neue benzopyran-derivate | |
| DE1172670B (de) | Verfahren zur Herstellung von 3-substituierten D-Homo-18-nor-androst-13(17a)-en-17-on-derivaten | |
| DE1213404B (de) | Verfahren zur Herstellung von 13-Alkyl-gonanverbindungen | |
| DE1618871C3 (de) | Verfahren zur Herstellung eines Steroidketonderivates. Ausscheidung aus: 1468988 | |
| DE1443084C3 (de) | Hydrierte Indan-5-on-Derivate und Verfahren zu ihrer Herstellung | |
| DE1468642B1 (de) | Gona-4(5),9(10)-dien-3-one | |
| CH522622A (de) | Verfahren zur Herstellung eines neuen 6a-Methyl-19-nor-progesterons | |
| DE1214679B (de) | Verfahren zur Herstellung von 13-Alkyl-8-isogonanverbindungen bzw. von deren D-Homoanalogen | |
| AT228193B (de) | Verfahren zur Herstellung von polycyclischen Verbindungen | |
| DE1443084B2 (de) | Hydrierte indan-5-on-derivate und verfahren zu ihrer herstellung | |
| DE1793598C2 (de) | 13-Alkyl-gona-1,3,5(10),8-tetraene. Ausscheidung aus: 1443123 | |
| DE1264441B (de) | Verfahren zur Herstellung von 17alpha-AEthinyl-delta 5(10-19-nor-androsten-17beta-ol-3-on und 17alpha-AEthynil-19-nor-testosteron sowie dessen Estern | |
| DE1443124C (de) | Verfahren zur Herstellung von Gonan Derivaten | |
| DE1213405C2 (de) | Verfahren zur Herstellung von 13-Alkylgonatetraenen | |
| DE1793651C3 (de) | Dicyclische Triketone sowie ein Verfahren zu ihrer Herstellung | |
| DE1668665C (de) | Verfahren zur Herstellung von 13-Alky 1-gona-1,3,5( 10)-trienen. Ausscheidung aus: 1443123 | |
| DE1618855B2 (de) | Gonanen-3,17-diole und verfahren zu ihrer herstellung | |
| DE1468642C (de) | Gona-4(5), 9(10>dien-3-one | |
| DE2023401A1 (de) | Polycyclische Verbindungen | |
| DE1568686C3 (de) | Verfahren zur Herstellung von 5, (10),7-Dehydrosterolden, sowie verschiedene dabei erhaltene Verbindungen | |
| DE1568134C3 (de) | 17 alpha -Alka-1', 3-dlinylsteroide und averfahren zu ihrer Herstellung | |
| DE932795C (de) | Verfahren zur Herstellung von A8(9)-7, 11-Dioxyverbindungen der Cyclopentanopolyhydrophenanthrenreihe | |
| AT282085B (de) | Verfahren zur herstellung von neuen steroiden | |
| CH431517A (de) | Verfahren zur Herstellung tetracyklischer Ketone |