Patents
Patents for C07J 53 - Steroids in which the cyclopenta[a]hydrophenanthrene skeleton has been modified by condensation with carbocyclic rings or by formation of an additional ring by means of a direct link between two ring carbon atoms (1,809)
03/1982
03/30/1982US4322349 Process for preparing 6-methylene steroids
02/1982
02/04/1982WO1982000294A1 5beta-hydroxy-delta 6-steroid derivatives and method for their preparation
01/1982
01/27/1982EP0044575A1 Intermediate compounds in the preparation of 2-substituted-19-nor steroids
01/20/1982EP0043994A1 5-Beta-hydroxy-delta-6-steroids and process for their preparation
01/12/1982US4310467 Process and intermediates for the synthesis of vitamin D3 metabolites
01/05/1982CA1115691A1 Steroid-spiro-oxazolidinon-derivatives and process for preparing same
12/1981
12/22/1981CA1114807A1 17-ALKYLTHIO(AND ARYLTHIO)-1',2',3',4'-TETRAHYDRO- ANDROSTENO (16.alpha., 17.alpha.-B) NAPHTHALENES AND DERIVATIVES
11/1981
11/25/1981EP0040517A2 Homobrassinolide and its synthesis
11/24/1981CA1113086A1 25-alkylcholesterol derivatives
11/10/1981US4299774 25-Alkylcholest-5-ene-3 β,22-diols and esters thereof
11/03/1981US4298537 Process for producing steroid compounds having an oxo group in the side chain
10/1981
10/27/1981US4297350 Male contraceptive steroids and methods of use
10/20/1981US4296109 Antishock, antiinflammatory
09/1981
09/22/1981US4291029 Diuretics
09/22/1981US4290963 Process for preparing Δ9(11) and/or Δ16 -unsaturated sternoids
08/1981
08/25/1981CA1107721A1 Synthesis of steroids
08/19/1981EP0034115A2 Process for the preparation of 6-methylene steroids
08/18/1981US4284720 Process for the preparation of 19-hydroxy steroids of the androstane and pregnane series
08/18/1981US4284558 Fluorine, pentafluorosulfur hypofluorite, fluoroalkyl hypofluorites; free radical suppressor
07/1981
07/14/1981CA1105004A1 17.beta.- HYDROXY-.DELTA..SUP.4- ANDROSTEN-3-ONES AND PROCESS FOR THEIR MANUFACTURE
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
04/1981
04/21/1981US4263290 Novel 19-nor-steroids
04/21/1981CA1099702A1 7.epsilon.-(ALKOXYCARBONYL)-6.epsilon.-ALKYL/HALO-17-HYDROXY-3- OXO-17.alpha.-PREGN-4-ENE-21-CARBOXYLIC ACID .gamma.-LACTONES AND CORRESPONDING 21-CARBOXYLIC ACIDS, THEIR SALTS AND ESTERS
04/21/1981CA1099701A1 Steroid compounds having an oxygen function in the 19- position
03/1981
03/03/1981US4254111 Sterolin products
03/03/1981CA1096857A1 Preparation process of novel 17-spirosultin derivatives and corresponding gamma-hydroxy acids
01/1981
01/28/1981EP0023006A1 Process for the preparation of unsaturated steroids
12/1980
12/30/1980US4242332 4,5-Methano-bufadienolide-rhamnosides, their preparation, and drugs containing these compounds
12/23/1980CA1092094A1 Spirolactones and process for their preparation
12/16/1980US4239681 Enhance libido and related psychic attitudes
12/10/1980EP0019690A1 6-beta.7-beta; 15.16-dimethylene-1,4-androstadiene-3-ones, process for their preparation and their utilization in medicines
11/1980
11/27/1980WO1980002562A1 Isotopically labeled vitamin d derivatives and processes for preparing same
11/26/1980EP0019059A1 Process for the preparation of cholestene derivatives and intermediates in this preparation
11/25/1980CA1090330A1 14.beta.-HYDROXY 3-DEOXYCARDENOLIDES
11/04/1980US4231946 Contraceptives
10/1980
10/28/1980US4230626 25-Halocholest-5-ene-3β,22-diols and esters thereof
10/28/1980CA1088516A1 STEROIDAL 16.beta.-ALKYL-¬16.alpha.,17-B|NAPHTHALENES
10/01/1980EP0016380A1 Separation of stigmasterol from phytosterols
09/1980
09/23/1980CA1086305A1 Depot-steroid esters
09/02/1980CA1084904A1 PROCESS FOR THE MANUFACTURE OF 6.beta.,7-METHYLENE-3-OXO- 4-ENE STEROIDS
08/1980
08/26/1980US4219488 Process for preparing steroidal [16α,17-b]naphthaleno-21-carboxylic acid esters
08/12/1980US4217288 Anti-vitamin D compounds
07/1980
07/23/1980EP0013405A1 Process for the preparation of 19-hydroxy steroids of the androstane and pregnane series
07/22/1980US4213912 Process for preparing steroidal [16α,17-d]cyclohexene-21-carboxylic acid esters
07/09/1980EP0013082A1 Process for producing steroid compounds having an oxogroup in the side chain
06/1980
06/25/1980EP0012641A2 Substituted-19-nor-pregn-4-ene-3,20-dione derivatives, process for their preparation and pharmaceutical compositions containing them
06/03/1980CA1078826A1 4-androsten-3-one and process for its production
06/03/1980CA1078825A1 1'h-androsta (16,17) cyclopentene-3'-ones
05/1980
05/27/1980US4205004 25-Alkylcholest-5-ene-3β,22-diols and esters thereof
05/27/1980US4204995 Cholestane derivatives
04/1980
04/16/1980EP0010056A1 Corticoid sulfopropionic acid esters and their salts, process for their preparation and pharmaceutical preparations containing these compounds
04/02/1980EP0009232A1 4,5-Methano-bufadienolide-rhamnosides, process for their preparation and medicines containing them
04/01/1980US4196204 Hydroxylated 1 alpha, 2 alpha-methylene steroids
03/1980
03/18/1980US4193930 25-Alkyl-3β-hydroxycholest-5-en-7-ones and esters thereof
03/11/1980US4192811 Etherification, ozonization, chemical reduction
02/1980
02/06/1980EP0007474A1 Sterolinhemiesters, process for their preparation and pharmaceutical compositions containing them
12/1979
12/25/1979US4180570 17β-Hydroxy-4-androsten-3-ones and process for the preparation thereof
12/25/1979US4180505 Novel steroidspirooxazolidines and process for their preparation
10/1979
10/16/1979CA1064477A1 Steroidal (16a, 17-d) cyclohexenes
10/16/1979CA1064475A1 Electrophilic fluorination of organic compounds
09/1979
09/19/1979EP0004098A1 Cholestane derivatives and process for their preparation
08/1979
08/14/1979US4164504 Steroidal[16α,17-b]naphthaleno-21-carboxylic acid esters
07/1979
07/10/1979US4160772 Antiinflammatory agents
05/1979
05/22/1979CA1055014A1 STEROIDAL(16.alpha., 17-B) NAPHTHALENES
04/1979
04/17/1979US4150127 Antialdosterones, diuretics
02/1979
02/20/1979US4140700 Diuretics
02/13/1979US4139617 19-Oxygenated-androst-5-enes for the enhancement of libido
01/1979
01/16/1979US4134904 Synthesis of steroids
12/1978
12/12/1978US4129564 Spirolactones
10/1978
10/10/1978US4119627 Process for the manufacture of 6β,7-methylene-3-oxo-4-ene steroids
10/03/1978US4118488 Diuretics
08/1978
08/22/1978CA1037024A1 11-fluoro-androstenes
07/1978
07/25/1978US4102884 14 β-Hydroxy 3-deoxycardenolides
07/11/1978US4100026 Fermentation
06/1978
06/27/1978US4097334 Process for the preparation of androstane-3,17-dione derivatives
06/06/1978US4093720 Novel-17-spirosultines their corresponding hydroxy acids and compositions thereof
05/1978
05/23/1978US4091036 Antiinflammatory agents
05/02/1978US4087524 Androst-4-en-19-ols for the enhancement of libido
05/02/1978US4087461 Anti-androgenic steroids
03/1978
03/14/1978US4079054 Aldosterone antagonists
02/1978
02/21/1978US4075233 Skin disorders
02/14/1978US4073900 11β-FLUOROPREGNENES
01/1978
01/31/1978US4071625 19-Oxygenated-5α-androstanes for the enhancement of libido
01/31/1978US4071624 Androst-4-en-19-ones for the enhancement of libido
01/17/1978US4069219 Diuretics
11/1977
11/22/1977US4059630 Anti-androgenic steroids
11/15/1977US4058538 3α,5α-Cyclo-6β-alkoxy-α22 -bis-nor cholestene derivatives
07/1977
07/26/1977US4038272 Stereospecific syntheses of 24r,25- and 24s,25-dihydroxycholesterol and alkanoyl derivatives thereof
07/19/1977US4036864 Electrophilic fluorination of steroids
07/19/1977US4036695 Process for the preparation of estrene-3,17-dione derivatives
06/1977
06/07/1977US4028349 Vitamin d3 intermediates
06/07/1977US4028348 6-Amino-5β,19-cycloandrostane derivatives
05/1977
05/10/1977US4022769 Libido enhancement
03/1977
03/22/1977US4013688 Radioimmunoassay agents
03/15/1977US4012510 Novel methylene steroids
11/1976
11/30/1976US3994937 Anabolic, androgenic, gestagenic
11/30/1976US3994935 Glucocorticoid, antiinflammatory
11/30/1976US3994934 Process for preparing Δ22 -25-oxy substituted sterol derivatives
11/30/1976US3994878 Intermediates for metabolites of vitamin d3
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