Patents
Patents for C07J 21 - Normal steroids containing carbon, hydrogen, halogen, or oxygen, having an oxygen-containing hetero ring spiro-condensed with the cyclopenta[a]hydrophenanthrene skeleton (1,576)
10/1979
10/23/1979US4172075 Fluoro-steroids and processes for their manufacture
10/17/1979EP0004766A2 4-Halo-pregn-4-enes, their preparation and pharmaceutical use
10/17/1979EP0004765A2 Corticosteroid anti-inflammatory agents, their use and methods for their preparation
10/16/1979CA1064476A1 Steroids and process for preparing the same
10/09/1979US4170518 Microbiological conversion of sterol derivatives to 5-androsten-17-one derivatives and their use
09/1979
09/11/1979CA1062246A2 PROCESS FOR THE PREPARATION OF 11.beta.-HYDROXY-18-ALKYL-ESTRANE COMPOUNDS
08/1979
08/07/1979US4163744 Synthesis of steroids
07/1979
07/10/1979US4160860 Enzyme deactivation, solvent extraction, antiinflammatory
06/1979
06/12/1979CA1056371A1 Polyhalogeno-steroids and processes for their manufacture
06/12/1979CA1056370A1 11-substituted steroids of the estrane series
06/05/1979CA1055881A1 Electrolytic reduction of aromatic steroids
05/1979
05/22/1979US4155918 Novel D-homosteroids
05/22/1979US4155906 Process for preparing steroidal 3-oxo-4,6-dienes such as 17-hydroxy-3-oxo-17α-pregna-4,6-diene-21-carboxylic acidγ-lactone
05/15/1979US4154730 Novel 17-spirosultines
04/1979
04/17/1979US4150127 Antialdosterones, diuretics
04/03/1979US4147695 11β-Substituted-Δ9 -steroids
03/1979
03/06/1979US4143040 From the 1,3,5(10)-triene derivatives with sodium or potassium, liquid ammonia and a tertiary alcohol in solvent by birch reduction
02/1979
02/21/1979EP0000742A1 Corticoids-17-alkylcarbonates, process for their preparation and preparations containing them
02/13/1979US4139617 19-Oxygenated-androst-5-enes for the enhancement of libido
02/07/1979EP0000609A1 Novel 19-nor-pregnahexaenes, process for the preparation thereof, and pharmaceutical compositions containing them
12/1978
12/12/1978US4129564 Spirolactones
11/1978
11/07/1978US4124707 7α-Halogeno-3,20-dioxo-1,4-pregnadienes, methods for their manufacture, their use as anti-inflammatory agents, and pharmaceutical formulations useful therefor
10/1978
10/24/1978US4122080 Process for producing 17-acetals of 3-alkoxyestra-2,5(10)-dien-17-ones
10/10/1978US4119627 Process for the manufacture of 6β,7-methylene-3-oxo-4-ene steroids
10/03/1978CA1039708A1 (6S)-17'-HYDROXY-3'-OXOSPIRO (OXIRANE-2,6'- (17.alpha.) PREGN (4) ENE)-21'-CARBOXYLIC ACID .gamma.-LACTONE, THE .DELTA.1,4 ANALOG
08/1978
08/29/1978US4110325 21-(Acetyloxy)-3-oxo-24-norchola-4,20(22)-diene-23-nitrile and intermediates thereto
08/22/1978US4108851 3β,17-Dihydroxy-5α,17α-pregn-20-ene-21-carboxylic acid γ-lactone and esters thereof
08/22/1978CA1037025A1 Preparation of 5 d - hydroxy 13 b - alkyl gona -9,11 - diene steroid derivatives
06/1978
06/06/1978US4093720 Novel-17-spirosultines their corresponding hydroxy acids and compositions thereof
05/1978
05/09/1978US4088760 Testosterone 5α-reductase inhibitors
05/02/1978US4087524 Androst-4-en-19-ols for the enhancement of libido
03/1978
03/14/1978US4079054 Aldosterone antagonists
03/07/1978CA1027552A1 Novel 11-oxo estr-gene derivatives and process for preparing the same
02/1978
02/28/1978US4076708 Antiinflammatory agents
02/14/1978CA1026318A1 Preparation process for spirolactone steroids
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
01/31/1978CA1025436A1 Process for preparing new dieono-derivatives of androstane series
01/17/1978US4069322 Pro-drugs for the improved delivery of certain selected anti-inflammatory steroids
01/17/1978US4069219 Diuretics
11/1977
11/22/1977US4059575 Process for the preparation of 17(20)ene-21-steroid aldehydes
11/15/1977US4058522 Steroids effective against heavy-metal poisoning
11/08/1977US4057543 Process for the preparation of 17β-hydroxy-3-oxo-17α-pregn-4-ene-21-carboxylic acid γ-lactone
11/08/1977US4057542 Steroid
10/1977
10/18/1977US4054563 Process for the manufacture of spiro compounds of the steroid series
10/04/1977US4052422 4,5-secopregnane derivatives
10/04/1977US4052421 Fertility control
07/1977
07/19/1977US4036695 Process for the preparation of estrene-3,17-dione derivatives
06/1977
06/21/1977US4031074 Contraceptives
05/1977
05/10/1977US4022769 Libido enhancement
05/03/1977US4021459 Process for the preparation of 21-halogeno-21-desoxy-17α-acyloxy 20-keto-pregnenes
03/1977
03/08/1977US4011316 Steroids, antiinflammatory agents
01/1977
01/11/1977US4002746 Synthesis of gon-4-enes
01/11/1977US4002614 Gestagenic and ovulation inhibitors
01/04/1977US4001220 6-(Aminated methyl)-3β-oxy-5α-(cholestane-stigmastane)-5,6-diols, salts thereof, and intermediates thereto
12/1976
12/21/1976US3998813 Contraceptives; reaction of 11-beta-hydroxy-13-methyl gonane with acyl-hypoiodite
12/14/1976US3997664 Substituted carbinol derivatives
12/14/1976US3997574 9-α-methyl-steroids
11/1976
11/16/1976US3992422 Process for the preparation of 21-halogeno-21-desoxy-17α-acyloxy-20-keto-pregnenes
10/1976
10/26/1976US3988322 Steroids effective against heavy-metal poisoning
09/1976
09/14/1976US3980680 Process for the preparation of 21-desoxy-17-acyloxy-4-pregnenes and of 21-iodo-21-desoxy-17-acyl oxy-4-pregnene intermediates useful therein
09/14/1976US3980638 Testosterone derivatives
08/1976
08/03/1976US3972906 Novel - 11-substituted steroids of the estrane series
08/03/1976US3972871 Diuretic
07/1976
07/06/1976US3968132 (17R)-Spiro-[androstane-17,1'-cyclobutan]-2'-ones, methods for their manufacture and intermediates useful therein
06/1976
06/29/1976US3966714 Process for the preparation of a Δ4 -3-keto steroid 17-propiolactone
06/15/1976US3963707 N-halogenoalkyl-n-nitroso carbamates and n-halogenalkyl-n-nitroso allophanates of steroids
06/15/1976US3962839 Structural wall element, especially load bearing wall element
06/01/1976US3960842 Process for the preparation of 17β-oxalyl steroids
05/1976
05/25/1976US3959322 Synthesis of 13-alkyl-gon-4-ones
05/04/1976US3954980 Human contraceptives, steroidal hemiacetals
03/1976
03/16/1976US3944576 Novel steroids of the oestrane series substituted in 7-position
02/1976
02/17/1976US3939155 4',5'-Dihydrospiro[androst/estr-4-ene-17,2'(3'H)-furan]3,4'-dione and congeners, and intermediates thereto
02/03/1976US3936438 Aromatic cardenolide acetals
01/1976
01/20/1976US3933799 Hormones
01/06/1976US3931154 Process for the preparation of steroid oxiranes
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