CA2492079A1 - Procedes microbiologiques permettant de produire des 11 alpha-hydroxysteroides 7 alpha-substitues - Google Patents
Procedes microbiologiques permettant de produire des 11 alpha-hydroxysteroides 7 alpha-substitues Download PDFInfo
- Publication number
- CA2492079A1 CA2492079A1 CA002492079A CA2492079A CA2492079A1 CA 2492079 A1 CA2492079 A1 CA 2492079A1 CA 002492079 A CA002492079 A CA 002492079A CA 2492079 A CA2492079 A CA 2492079A CA 2492079 A1 CA2492079 A1 CA 2492079A1
- Authority
- CA
- Canada
- Prior art keywords
- alpha
- substituted
- beta
- general formula
- stands
- 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.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract 10
- 230000002906 microbiologic effect Effects 0.000 title claims abstract 10
- 238000000034 method Methods 0.000 title claims 19
- 238000006243 chemical reaction Methods 0.000 claims abstract 4
- 230000015572 biosynthetic process Effects 0.000 claims abstract 3
- 229910052736 halogen Inorganic materials 0.000 claims 24
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims 14
- 150000003431 steroids Chemical group 0.000 claims 9
- 244000005700 microbiome Species 0.000 claims 8
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims 5
- 229910052739 hydrogen Inorganic materials 0.000 claims 5
- 239000001257 hydrogen Substances 0.000 claims 5
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims 5
- 125000002723 alicyclic group Chemical group 0.000 claims 4
- 241000751139 Beauveria bassiana Species 0.000 claims 3
- 241000827797 Beauveria sp. Species 0.000 claims 3
- 241000688200 Cingulata Species 0.000 claims 3
- 241001133184 Colletotrichum agaves Species 0.000 claims 3
- 241000694578 Glomerella sp. (in: Fungi) Species 0.000 claims 3
- 241001344107 Gnomonia Species 0.000 claims 3
- 241001159714 Gnomonia sp. Species 0.000 claims 3
- 239000002168 alkylating agent Substances 0.000 claims 3
- 229940100198 alkylating agent Drugs 0.000 claims 3
- 125000004429 atom Chemical group 0.000 claims 3
- 239000003153 chemical reaction reagent Substances 0.000 claims 3
- 238000010534 nucleophilic substitution reaction Methods 0.000 claims 3
- 241000228212 Aspergillus Species 0.000 claims 2
- 241000228245 Aspergillus niger Species 0.000 claims 2
- 241000228257 Aspergillus sp. Species 0.000 claims 2
- 241000223195 Fusarium graminearum Species 0.000 claims 2
- 241001334844 Gibberella sp. Species 0.000 claims 2
- 241001620302 Glomerella <beetle> Species 0.000 claims 2
- 241001509401 Gordonia rubripertincta Species 0.000 claims 2
- 241001450823 Helicostylum Species 0.000 claims 2
- 241001557905 Nigrospora sp. Species 0.000 claims 2
- 241000189165 Nigrospora sphaerica Species 0.000 claims 2
- 241000187654 Nocardia Species 0.000 claims 2
- 241000952054 Rhizopus sp. Species 0.000 claims 2
- 241000235546 Rhizopus stolonifer Species 0.000 claims 2
- 150000001408 amides Chemical class 0.000 claims 2
- 125000004122 cyclic group Chemical group 0.000 claims 2
- 150000002148 esters Chemical class 0.000 claims 2
- 150000002154 estra-1,3,5(10)-trienes Chemical class 0.000 claims 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims 2
- 150000002367 halogens Chemical group 0.000 claims 2
- 125000004430 oxygen atom Chemical group O* 0.000 claims 2
- 150000003839 salts Chemical class 0.000 claims 2
- 241001513093 Aspergillus awamori Species 0.000 claims 1
- 241001507865 Aspergillus fischeri Species 0.000 claims 1
- 241000981399 Aspergillus melleus Species 0.000 claims 1
- 241000122824 Aspergillus ochraceus Species 0.000 claims 1
- 241000193830 Bacillus <bacterium> Species 0.000 claims 1
- 241000194110 Bacillus sp. (in: Bacteria) Species 0.000 claims 1
- 241000589518 Comamonas testosteroni Species 0.000 claims 1
- 241000223211 Curvularia lunata Species 0.000 claims 1
- 241001558166 Curvularia sp. Species 0.000 claims 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims 1
- 241000221778 Fusarium fujikuroi Species 0.000 claims 1
- 241000193386 Lysinibacillus sphaericus Species 0.000 claims 1
- 241000223250 Metarhizium anisopliae Species 0.000 claims 1
- 241000187469 Mycobacterium neoaurum Species 0.000 claims 1
- 241000187480 Mycobacterium smegmatis Species 0.000 claims 1
- 241000187488 Mycobacterium sp. Species 0.000 claims 1
- 241000187653 Nocardia globerula Species 0.000 claims 1
- 241000600898 Nocardia salmonicolor Species 0.000 claims 1
- 241000187681 Nocardia sp. Species 0.000 claims 1
- 241000589774 Pseudomonas sp. Species 0.000 claims 1
- -1 R10 stands for H Chemical group 0.000 claims 1
- 240000005384 Rhizopus oryzae Species 0.000 claims 1
- 235000013752 Rhizopus oryzae Nutrition 0.000 claims 1
- 241000736855 Syncephalastrum racemosum Species 0.000 claims 1
- 241000641365 Syncephalastrum sp. Species 0.000 claims 1
- 241001123668 Verticillium dahliae Species 0.000 claims 1
- 241000221841 Verticillium sp. (in: Hypocreales) Species 0.000 claims 1
- KCNKJCHARANTIP-SNAWJCMRSA-N allyl-{4-[3-(4-bromo-phenyl)-benzofuran-6-yloxy]-but-2-enyl}-methyl-amine Chemical group C=1OC2=CC(OC/C=C/CN(CC=C)C)=CC=C2C=1C1=CC=C(Br)C=C1 KCNKJCHARANTIP-SNAWJCMRSA-N 0.000 claims 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 claims 1
- 229910052731 fluorine Inorganic materials 0.000 claims 1
- 239000011737 fluorine Substances 0.000 claims 1
- 238000006317 isomerization reaction Methods 0.000 claims 1
- 125000000468 ketone group Chemical group 0.000 claims 1
- 230000001590 oxidative effect Effects 0.000 claims 1
- 125000004043 oxo group Chemical group O=* 0.000 claims 1
- 239000008177 pharmaceutical agent Substances 0.000 claims 1
- 239000000825 pharmaceutical preparation Substances 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 abstract 2
- 230000037361 pathway Effects 0.000 abstract 1
- 239000002243 precursor Substances 0.000 abstract 1
- 238000003786 synthesis reaction Methods 0.000 abstract 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/56—Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P15/00—Drugs for genital or sexual disorders; Contraceptives
- A61P15/08—Drugs for genital or sexual disorders; Contraceptives for gonadal disorders or for enhancing fertility, e.g. inducers of ovulation or of spermatogenesis
-
- 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
- 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
- C07J1/0051—Estrane derivatives
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J11/00—Normal steroids containing carbon, hydrogen, halogen or oxygen, not substituted in position 3
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J3/00—Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17 beta by one carbon atom
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J31/00—Normal steroids containing one or more sulfur atoms not belonging to a hetero ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J41/00—Normal steroids containing one or more nitrogen atoms not belonging to a hetero ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J7/00—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J9/00—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of more than two carbon atoms, e.g. cholane, cholestane, coprostane
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P33/00—Preparation of steroids
- C12P33/06—Hydroxylating
- C12P33/08—Hydroxylating at 11 position
- C12P33/10—Hydroxylating at 11 position at 11 alpha-position
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P33/00—Preparation of steroids
- C12P33/12—Acting on D ring
- C12P33/16—Acting at 17 position
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Zoology (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Bioinformatics & Cheminformatics (AREA)
- General Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Microbiology (AREA)
- Biotechnology (AREA)
- Genetics & Genomics (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Reproductive Health (AREA)
- Veterinary Medicine (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pregnancy & Childbirth (AREA)
- Gynecology & Obstetrics (AREA)
- Endocrinology (AREA)
- Epidemiology (AREA)
- Steroid Compounds (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
Abstract
L'invention concerne une nouvelle voie de synthèse servant à la préparation de précurseurs utilisés pour la production de composés de formule générale (8,10,12). Cette synthèse permet d'obtenir, au cours d'une réaction microbiologique, des composés de formule générale (4,B). La signification des radicaux R?7¿, R?10¿, R?11¿, R?13¿, R?17¿ et R?17'¿ainsi que des groupements U-V-W-X-Y-Z est indiquée dans les revendications.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10233723.3 | 2002-07-24 | ||
| DE10233723A DE10233723A1 (de) | 2002-07-24 | 2002-07-24 | Mikrobiologische Verfahren zur Herstellung von 7α-substituierten 11α-Hydroxysteroiden, daraus herstellbare 7α,17α-substituierte 11β-Halogensteroide, deren Herstellungsverfahren und Verwendung sowie pharmazeutische Präparate, die diese Verbindungen enthalten, sowie daraus herstellbare 7α-substituierte Estra-1,3,5(10)-triene |
| US40295302P | 2002-08-14 | 2002-08-14 | |
| US60/402,953 | 2002-08-14 | ||
| PCT/EP2003/008111 WO2004011663A2 (fr) | 2002-07-24 | 2003-07-24 | Procedes microbiologiques pour la production de 11-$g(a) hydroxysteroides 7-$g(a) substitues |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2492079A1 true CA2492079A1 (fr) | 2004-02-05 |
| CA2492079C CA2492079C (fr) | 2012-01-10 |
Family
ID=31189296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2492079A Expired - Fee Related CA2492079C (fr) | 2002-07-24 | 2003-07-24 | Procedes microbiologiques permettant de produire des 11 alpha-hydroxysteroides 7 alpha-substitues |
Country Status (19)
| Country | Link |
|---|---|
| EP (1) | EP1523568A2 (fr) |
| JP (1) | JP4417838B2 (fr) |
| KR (1) | KR101041328B1 (fr) |
| CN (1) | CN100339486C (fr) |
| BR (1) | BR0313210A (fr) |
| CA (1) | CA2492079C (fr) |
| CO (1) | CO5690563A2 (fr) |
| CR (1) | CR7672A (fr) |
| EA (2) | EA010572B1 (fr) |
| EC (1) | ECSP055630A (fr) |
| HR (1) | HRP20050172A2 (fr) |
| IL (1) | IL166358A0 (fr) |
| MX (1) | MXPA05001024A (fr) |
| NO (1) | NO20050980L (fr) |
| NZ (2) | NZ549529A (fr) |
| PH (1) | PH12005500143B1 (fr) |
| PL (1) | PL373808A1 (fr) |
| RS (1) | RS51855B (fr) |
| WO (1) | WO2004011663A2 (fr) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1947107B1 (fr) * | 2005-10-27 | 2012-10-17 | SRI International | Procede de production d'un steroide |
| RU2377309C1 (ru) * | 2008-04-22 | 2009-12-27 | Валентина Александровна Андрюшина | МИКРОБИОЛОГИЧЕСКИЙ СПОСОБ ПОЛУЧЕНИЯ 7α-ГИДРОКСИАНДРОСТЕНОВ |
| CN103834712B (zh) * | 2012-11-26 | 2016-03-30 | 复旦大学 | 去氧孕烯中间体纳米脂质体生物转化的优化方法 |
| CN103214543B (zh) * | 2012-12-25 | 2015-09-02 | 中国人民解放军海军医学研究所 | 新山楂酸衍生物、其制备方法及其在抗肿瘤药物中的应用 |
| CN104862323B (zh) * | 2015-06-02 | 2018-01-16 | 中国农业科学院生物技术研究所 | 修饰苯二酚类化合物的羟化酶基因 |
| PL246071B1 (pl) * | 2022-08-26 | 2024-11-25 | Wrocław University Of Environmental And Life Sciences | Sposób wytwarzania 11α-hydroksy-19-nortestosteronu |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL75841C (fr) | 1949-06-11 | |||
| US2658023A (en) * | 1953-04-21 | 1953-11-03 | Pfizer & Co C | Oxygenation of steroids |
| US2985563A (en) | 1958-11-13 | 1961-05-23 | Schering Corp | 11alpha-hydroxylation of steroids by glomerella |
| US3004047A (en) | 1959-03-13 | 1961-10-10 | Olin Mathieson | 6alpha-halo-11alpha-hydroxy steroids of the pregnane series and esters thereof |
| US3341557A (en) | 1961-06-05 | 1967-09-12 | Upjohn Co | 7-methyltestosterones |
| US3203869A (en) | 1962-10-11 | 1965-08-31 | Syntex Corp | 11alpha-hydroxylation of 6-substituted-11-desoxy steroids with microorganisms of thegenus fusarium, liseola section |
| US5342834A (en) | 1989-04-07 | 1994-08-30 | The Population Council, Inc. | Method for androgen supplementation |
| EP1167380A3 (fr) | 1995-12-11 | 2004-12-08 | G.D. Searle & Co. | Composés 11.alpha.-Hydroxy-steroid-4,6-dien-3-ones et un procédé de leur préparation |
| GB9525194D0 (en) | 1995-12-12 | 1996-02-07 | Zeneca Ltd | Pharmaceutical composition |
| CA2240315A1 (fr) * | 1995-12-12 | 1997-06-19 | Akzo Nobel Nv | 11.alpha.-hydroxylation microbienne de steroides |
| US20020012694A1 (en) | 1997-09-17 | 2002-01-31 | Alfred J. Moo-Young | Transdermal administration of ment |
| US6767902B2 (en) | 1997-09-17 | 2004-07-27 | The Population Council, Inc. | Androgen as a male contraceptive and non-contraceptive androgen replacement |
| US5952319A (en) | 1997-11-26 | 1999-09-14 | Research Triangle Institute | Androgenic steroid compounds and a method of making and using the same |
| HUP0300128A3 (en) | 2000-02-15 | 2004-03-29 | Schering Ag | Male contraceptive composition comprising norethisterone and its use |
| DE10104327A1 (de) * | 2001-01-24 | 2002-07-25 | Schering Ag | 11beta-Halogensteroide, deren Herstellung und Verwendung zur Herstellung von Arzneimitteln sowie 11beta-Halogensteroide enthaltende pharmazeutische Präparate |
| AU2003251636B2 (en) * | 2002-07-25 | 2009-10-22 | Bayer Schering Pharma Aktiengesellschaft | Composition containing an androgenous 11beta-halogen steroid and a progestational hormone, and male contraceptive based on said composition |
-
2003
- 2003-07-24 WO PCT/EP2003/008111 patent/WO2004011663A2/fr not_active Ceased
- 2003-07-24 KR KR1020057001140A patent/KR101041328B1/ko not_active Expired - Fee Related
- 2003-07-24 CA CA2492079A patent/CA2492079C/fr not_active Expired - Fee Related
- 2003-07-24 NZ NZ549529A patent/NZ549529A/en not_active IP Right Cessation
- 2003-07-24 EA EA200601030A patent/EA010572B1/ru not_active IP Right Cessation
- 2003-07-24 BR BR0313210-2A patent/BR0313210A/pt not_active IP Right Cessation
- 2003-07-24 JP JP2004523777A patent/JP4417838B2/ja not_active Expired - Fee Related
- 2003-07-24 RS YU20050045A patent/RS51855B/sr unknown
- 2003-07-24 MX MXPA05001024A patent/MXPA05001024A/es active IP Right Grant
- 2003-07-24 EP EP03740474A patent/EP1523568A2/fr not_active Withdrawn
- 2003-07-24 HR HR20050172A patent/HRP20050172A2/hr not_active Application Discontinuation
- 2003-07-24 EA EA200500224A patent/EA008147B1/ru not_active IP Right Cessation
- 2003-07-24 CN CNB038176963A patent/CN100339486C/zh not_active Expired - Fee Related
- 2003-07-24 NZ NZ537871A patent/NZ537871A/en not_active IP Right Cessation
- 2003-07-24 PL PL03373808A patent/PL373808A1/xx not_active Application Discontinuation
-
2005
- 2005-01-18 IL IL16635805A patent/IL166358A0/xx not_active IP Right Cessation
- 2005-01-21 PH PH12005500143A patent/PH12005500143B1/en unknown
- 2005-02-03 CR CR7672A patent/CR7672A/es not_active Application Discontinuation
- 2005-02-21 CO CO05015699A patent/CO5690563A2/es not_active Application Discontinuation
- 2005-02-23 NO NO20050980A patent/NO20050980L/no not_active Application Discontinuation
- 2005-02-24 EC EC2005005630A patent/ECSP055630A/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP1523568A2 (fr) | 2005-04-20 |
| KR101041328B1 (ko) | 2011-06-14 |
| WO2004011663A2 (fr) | 2004-02-05 |
| JP4417838B2 (ja) | 2010-02-17 |
| CO5690563A2 (es) | 2006-10-31 |
| EA200500224A1 (ru) | 2005-08-25 |
| HRP20050172A2 (en) | 2005-04-30 |
| MXPA05001024A (es) | 2005-05-16 |
| NO20050980L (no) | 2005-02-23 |
| WO2004011663A9 (fr) | 2004-05-06 |
| IL166358A0 (en) | 2006-01-16 |
| CA2492079C (fr) | 2012-01-10 |
| EA010572B1 (ru) | 2008-10-30 |
| AU2003281677A1 (en) | 2004-02-16 |
| PH12005500143B1 (en) | 2011-03-25 |
| RS51855B (sr) | 2012-02-29 |
| JP2006503813A (ja) | 2006-02-02 |
| HK1081999A1 (zh) | 2006-05-26 |
| WO2004011663A3 (fr) | 2004-07-15 |
| RS20050045A (sr) | 2007-06-04 |
| NZ549529A (en) | 2008-04-30 |
| CN1671858A (zh) | 2005-09-21 |
| BR0313210A (pt) | 2005-06-28 |
| EA008147B1 (ru) | 2007-04-27 |
| CR7672A (es) | 2006-05-29 |
| KR20050026507A (ko) | 2005-03-15 |
| MX260952B (fr) | 2008-10-01 |
| EA200601030A1 (ru) | 2006-10-27 |
| ECSP055630A (es) | 2005-04-18 |
| CN100339486C (zh) | 2007-09-26 |
| PL373808A1 (en) | 2005-09-19 |
| NZ537871A (en) | 2006-10-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Mahato et al. | Current trends in microbial steroid biotransformation | |
| US3684657A (en) | Selective microbiological degradation of steroidal 17-alkyls | |
| Sedlaczek et al. | Biotransformations of steroids | |
| Donova et al. | Steroid 17β-reduction by microorganisms—a review | |
| Mahato et al. | Steroid transformations by microorganisms-III | |
| Martin | Microbial cleavage of sterol side chains | |
| Charney et al. | Microbial transformations of steroids: a handbook | |
| Mahato et al. | Steroid transformations by microorganisms—II | |
| US3759791A (en) | Selective microbiological preparation of androst-4-ene-3,17-dione | |
| US4179336A (en) | Microbiological degradation of sterol side chains to a 17-keto group | |
| CA2492079A1 (fr) | Procedes microbiologiques permettant de produire des 11 alpha-hydroxysteroides 7 alpha-substitues | |
| US4100027A (en) | Process for the preparation of 4-androstene-3,17-dione derivatives | |
| US20070298456A1 (en) | Microbiological process for the production of 7-substitued 11-hydroxy steroids, 7,17-substituted 11-halogen steroids, and uses thereof | |
| EP0900283A1 (fr) | 11alpha-HYDROXYLATION MICROBIENNE DE STEROIDES | |
| US5516649A (en) | Process for the production of 4-androstene-3,17-dione and 1,4-androstadiene-3,17-dione from ergosterol with mycobacterium | |
| Madyastha | Preparatively useful transformations of steroids and morphine alkaloids by Mucor piriformis | |
| Cano-Flores et al. | Biotransformation of steroids using different microorganisms | |
| US7002028B2 (en) | 5-androsten-3β-ol steroid intermediates and processes for their preparation | |
| US4170518A (en) | Microbiological conversion of sterol derivatives to 5-androsten-17-one derivatives and their use | |
| US3419470A (en) | 11-microbiological hydroxylation of steroids in presence of dimethylsulfoxide | |
| US4353985A (en) | Process for the preparation of 11 β-hydroxy steroids | |
| DK1066399T3 (da) | Fremgangsmåde til mikrobiel omdannelse af phytosteroler til androstendion og androstadiendion | |
| US3589981A (en) | Method of making 3b-hydroxy-delta**5(10)-steroids | |
| US4097334A (en) | Process for the preparation of androstane-3,17-dione derivatives | |
| CA1302923C (fr) | Procede pour la production de la 4-androstene-3,17-dione et de la 1,4-androstardiene-3,17-dione |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20140724 |