Patents
Patents for C07J 9 - 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 (4,897)
04/1982
04/20/1982US4325880 Deetherification with acetic acid
04/20/1982US4325878 Process for preparing 21-lower alkoxyoxalylprogesterones
04/14/1982EP0049601A2 Sunscreen compositions containing delta-5,7 steroidal dienes
03/1982
03/23/1982US4321208 Preparation of directly iodinated steroid hormones and related compounds
03/16/1982US4320195 Steroid production
03/10/1982EP0046769A1 Fermentation of bile.
03/02/1982US4317817 Novel steroid 5α-reductase inhibitors
02/1982
02/23/1982US4316849 Process for preparing a crystalline polymorphous type of chenodeoxycholic acid
02/23/1982US4316848 Process for the purification of ursodeoxycholic acid
02/18/1982WO1982000465A1 Process for preparing vitamin d-lactones
02/17/1982EP0046001A1 3-Oxo or 3-ketal, 20-oxo-diene steroid compounds, process for their preparation and their utilization in the preparation of medicines
02/17/1982EP0045884A1 1,3,5,7-Tetradehydro steroids, their preparation and their use in the synthesis of 1-alpha-hydroxy-7 dehydro steroids
02/16/1982US4315912 Cationic surfactants
02/16/1982CA1118409A1 Steroid derivatives and their use in radioimmunoassays
02/16/1982CA1118376A1 Process for producing steroidal alcohols
02/10/1982EP0045524A1 22-Arylsulfonyl-24,25-dihydroxycholestanes and process for preparing the same
02/09/1982US4315004 Antiarthritic agents
01/1982
01/26/1982US4312812 Process for the manufacture of cholesterol derivatives
01/12/1982US4310511 Sunscreen compositions containing Δ5,7 steroidal dienes
01/12/1982US4310467 Process and intermediates for the synthesis of vitamin D3 metabolites
01/05/1982US4309448 Branched fatty acid cholesterol ester and a cosmetic composition containing the same
12/1981
12/22/1981US4307025 1α, 25-dihydroxy-2β-fluorovitamin D3
12/16/1981EP0041612A2 Process for the preparation of 20-Carbonylsteroids by degradation of steroid-C22-carboxylic acids
12/15/1981US4305881 Process for 1α,3β-dihydroxy-Δ5 -steroids
12/15/1981US4305880 Vitamin d
12/08/1981US4304726 Reducing 7-ketocholesterol halfester with complex metal hydride
12/01/1981US4303754 Method for obtaining 7β hydroxy steroids
11/1981
11/25/1981EP0040517A2 Homobrassinolide and its synthesis
11/25/1981EP0040347A1 Steroid-20 carboxylic-acid derivatives and process for their preparation
11/24/1981CA1113086A1 25-alkylcholesterol derivatives
11/18/1981EP0039895A1 Pregnane-20-carboxylic acid derivatives and process for their preparation
11/18/1981EP0039894A1 Delta-17(20) bis-nor-cholanic acid derivatives (BNC) and process for their preparation
11/18/1981EP0039893A2 Process for the degradation of the C20-carboxylic group of delta-4-BNC compounds optionally containing other double bonds, as well as C-21 steroids
11/18/1981EP0039861A1 Process for the degradation of the 20-carboxy group of delta 1,4-BNC(bis-nor-cholanic acid) and of related steroid derivatives, as well as some nitrogen-containing steroids with 21 carbons
11/17/1981US4301246 Hydroxylation of 3-keto-bisnorcholenol to 7-hydroxy-3-keto-bisnorcholenol
11/10/1981US4299774 25-Alkylcholest-5-ene-3 β,22-diols and esters thereof
11/03/1981US4298539 Process for the isolation of β-sitosterol
11/03/1981US4298537 Process for producing steroid compounds having an oxo group in the side chain
10/1981
10/29/1981WO1981003023A1 1 alpha-hydroxy-2 beta-fluorocholecalciferol
09/1981
09/29/1981US4292249 Vitamin d3 intermediates
09/03/1981WO1981002427A1 Fermentation of bile
09/02/1981EP0034835A1 Cholesterol derivatives as intermediary products for the synthesis of immunologic adjuvants
09/01/1981US4287129 By the enol acylation of 1,4,6-trien-3-one steroids to form 1,3,5,7, tetraens as intermediates
08/1981
08/31/1981EP0027796A4 Chroman and chromanon-4 derivatives, process for their preparation, antioxidant compositions containing same and their use for stabilizing edible fats and oils.
08/26/1981EP0034364A2 New 20-substituted 3-oxo-pregn-4-ene steroid compounds and process for their preparation
08/26/1981EP0034363A2 Steroid compound with a 20-amino function and process for its preparation
08/26/1981EP0034248A1 Polyunsaturated bis-nor-cholanic (BNC) acid halides and process for their preparation
08/25/1981CA1107721A1 Synthesis of steroids
08/20/1981WO1981002298A1 Ciferol 25-hydroxy-26,26,26,27,27,27-hexafluorocholecalciferol
08/18/1981US4284577 Novel vitamin D3 derivative and process for preparing the same
08/18/1981US4284558 Fluorine, pentafluorosulfur hypofluorite, fluoroalkyl hypofluorites; free radical suppressor
08/12/1981EP0033439A1 Delta-1,4,17-bis-nor-cholanic (BNC) acid compounds and process for their preparation
08/04/1981US4282161 Novel purification process
07/1981
07/21/1981US4279898 In vivo inhibitors of cholesterol biosynthesis
07/21/1981US4279828 Process for separating 3-hydroxy steroids or sterols from mixtures such as lipids
07/21/1981US4279827 Process for the preparation of a β-sitosterol concentrate containing less than 5% by weight of α-sitosterol
07/21/1981US4279826 23,25-Dihydroxyvitamin D3
07/07/1981US4277408 Novel purification process
06/1981
06/23/1981US4275214 Analogs of tricholomic acid useful as intermediates in the preparation of at-125
06/16/1981US4273872 Method for the microbiological conversion of steroids
06/16/1981US4273771 Novel Δ4,9 -gonadiene-21-ol-3,20-diones
06/02/1981CA1102306A1 Iodinatable bile salts
06/02/1981CA1102305A1 Preparation of directly iodinated steroid hormones and related compounds
06/02/1981CA1102225A1 Stabilized liquid enzyme and coenzyme compositions and method of preparing same
05/1981
05/26/1981US4269777 Isotopically labeled vitamin D derivatives and processes for preparing same
05/19/1981US4268453 Process for the manufacture of cholestene derivatives and novel intermediates in their manufacture
05/13/1981EP0028484A1 Process for the preparation of active-type vitamin D3 compounds and of the cholesta-5,7-diene precursors, and products so obtained
05/13/1981EP0028457A2 Cosmetic and emulsifier composition
05/13/1981EP0028456A1 Branched fatty acid cholesterol ester and a cosmetic composition containing the same
05/13/1981EP0028309A1 Process for the preparation of 11-alpha-hydroxy-20-alpha-hydroxymethyl-1,4-pregnadiene-3-one
05/12/1981CA1100942A1 Process for thermally stabilizing sterols
05/06/1981EP0027796A1 Chroman and chromanon-4 derivatives, process for their preparation, antioxidant compositions containing same and their use for stabilizing edible fats and oils.
05/05/1981US4265824 Process for the isolation of β-sitosterol containing a low percentage of α-sitosterol
04/1981
04/28/1981US4264513 Vitamin d derivatives
04/28/1981US4264512 3-Deoxy-1α-hydroxy- and 3-deoxy-1α,25-dihydroxycholecalciferol and processes for the preparation thereof
04/28/1981US4264509 Isoflavones and related compounds, methods of preparing and using and antioxidant compositions containing same
04/22/1981EP0027217A1 Process for dehydrogenation of 3-beta-hydroxy steroids
04/22/1981EP0027216A1 Process for dehydrogenation of beta-hydroxy steroids
04/21/1981US4263215 Oxidizing trans vitamin d3 or a derivative with a selenite ester; efficiency
04/21/1981US4263103 Process for thermally stabilizing sterols by degassing and flash distilling
04/15/1981EP0026927A1 Process for dehydrogenation of 3-beta-hydroxy steroids
04/07/1981US4260804 Processes for preparing calcitroic acid and esters thereof
04/07/1981US4260605 Novel alkylated pregnanes, processes for their preparation and pharmaceutical compositions containing same
04/07/1981CA1098898A1 Highly pure crystalline chenodesoxycholic acid and process for its preparation
04/01/1981EP0025804A1 1-Alpha,3-beta-dihydroxy-steroid-5-enes from 1-alpha,2-alpha-epoxy-steroid-4,6-dien-3-ones
04/01/1981EP0025783A1 A pharmaceutical composition for use in reducing serum cholesterol levels
03/1981
03/31/1981US4259324 Derivatives of thiopyranoses
03/24/1981US4258039 Novel 7-alkyl-steroids
03/11/1981EP0024642A1 Separation of stigmasterol from phytosterol
03/10/1981US4255345 Substituted 3-oxo-pregna-4-ene, 1,4-diene, or 1,4,17-triene compounds
03/04/1981EP0024292A1 Process for the separation of ursodeoxycholic acid from chenodeoxycholic acid and products obtained during the process
03/03/1981US4254111 Sterolin products
03/03/1981US4254045 Derivatives of vitamin d3; for treatment of metabolic bone diseases
02/1981
02/24/1981US4252719 Steroid conversion method and products produced thereby
02/24/1981CA1096372A1 No translation available
02/11/1981EP0023865A2 New glycolipid compounds, process for preparation and use as immunological adjuvant
02/03/1981US4248791 Antirachitic, calcium transport, vitamin d activity, derivatives thereof
01/1981
01/21/1981EP0022527A1 Process for preparing a solvent-free crystalline polymorphous form of chenodeoxycholic acid
01/20/1981CA1093990A1 Method for the microbiological conversion of steroids
01/13/1981CA1093468A1 Active plant extract of hypoxidaceae and their use
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