Patents
Patents for C07J 41 - Normal steroids containing one or more nitrogen atoms not belonging to a hetero ring (4,637)
07/1993
07/22/1993CA2127274A1 Process for preparing 3-acylestratrienes and acylbenzenes
07/22/1993CA2127272A1 Halogenation using halo-vilsmeier reagent
07/21/1993EP0551451A1 N-alkyl-tauroursodeoxycholic acids and their therapeutically active derivatives, a process for their preparation and pharmaceutical compositions containing them
07/08/1993WO1993013123A1 Novel 19-nor steroids having a thiocarbon-containing chain in the 11beta position, a method for preparing same and intermediates therefor, medicinal uses thereof and compositions containing said steroids
07/08/1993WO1993013122A1 3-methylsulphonylhydrazono and 3-oxyimino steroids, a method of preparing them, pharmaceutical preparations containing them and their use in the preparation of drugs
07/07/1993EP0549967A1 Polymers and oligomers of bile-acids, process for their production and their use as medicines
06/1993
06/30/1993EP0549041A1 17-Spirofuran-3'-ylidene steroids
06/30/1993EP0548793A2 Ethylenic-unsaturated bile acid derivatives, process for their production and preliminary processes therefor
06/30/1993CN1021445C Process for preparation of steroids including a spiro ring in position 17
06/24/1993WO1993012137A1 Pharmaceutical compositions
06/24/1993WO1993011772A1 Glycosylated steroid derivatives for transport across biological membranes and process for making same
06/24/1993DE4143142A1 New 3-methyl sulphonyl hydrazono-steroid derivs. have antiandrogen activity - used to treat benign prostate hyperplasia and androgen dependent prostate carcinoma
06/24/1993CA2117332A1 Glycosylated steroid acid derivatives for transport across biological membranes and process for making same
06/22/1993CA1319362C 4-substituted androstendione derivatives and process for their preparation
06/21/1993CA2085830A1 Ethylenically unsaturated bile acid derivatives, processes for their preparation and precursors
06/16/1993EP0546875A2 New process for the preparation of 20-oxo, 17-alpha, 21-dihydroxy derivatives of pregnane and new intermediates thereof
06/10/1993WO1993010741A2 Sex steroid activity inhibitors
06/09/1993EP0321572B1 Pregnane derivatives and process for their preparation
06/08/1993US5218110 4-amino-Δ4 -steroids and their use as 5α-reductase inhibitors
05/1993
05/27/1993WO1993010141A2 Angiostatic steroids
05/27/1993CA2425846A1 Angiostatic steroids
05/19/1993EP0407410B1 Antidiabetic 3-halo-beta-aminoestranes
05/19/1993EP0256095B1 Anti-inflammatory carboxy pregnane derivatives
05/19/1993CN1072182A Preparation process for 20-0x0-17alpha, 21-dihydroxylated derivatives of pregnane and intermediates
05/18/1993US5212166 Antiandrogens or 5-alpha reductase inhibitors
05/11/1993CA1317587C Esters
05/04/1993CA1317283C Steroidal 17–-silyl ethers and process to corticoids and progesterones
04/1993
04/29/1993WO1993007878A1 Aldosterone biosynthesis inhibitor
04/28/1993EP0538764A1 N-long chain acyl neutral amino acid esters; and cosmetics and pharmaceutical preparation containing the same
04/28/1993EP0538436A1 Novel quaternary ammonium salts, process for obtaining same and pharmaceutical compositions containing them
04/28/1993EP0538348A1 Process for producing unsaturated 17-alpha-cyanomethyl-17-beta-hydroxysteroids.
04/20/1993US5204337 Estrogen nucleus derivatives for use in inhibition of sex steroid activity
04/06/1993US5200518 Reduced side effcts
04/06/1993CA1315682C Injection containing 3-benzoyloxy-1,3,5(10)-estratriene -17-¬4- p-(bis(2-chloroethyl)amino)phenyl -butanoyloxy| acetate as an active
03/1993
03/31/1993EP0533796A1 STEROIDAL 3-ACETIC ACID DERIVATIVES AS 5$g(a)-REDUCTASE INHIBITORS
03/30/1993US5198537 Immunogens for immunoassay
03/23/1993US5196542 Phospholipase A2 inhibitors
03/23/1993US5196411 17β-acyl-3-carboxy-androsta-3,5-dienes as testosterone 5α-reductase inhibitors
03/23/1993CA1314871C Steroids useful as anti-cancer, anti-obesity, anti-hyperglycemic, anti-autoimmune and anti-hypercholesterolemic agents
03/23/1993CA1314870C Steroids useful as anti-cancer, anti-obesity, anti-hyperglycemic, anti-autoimmune and anti-hypercholesterolemic agents
03/23/1993CA1314868C Diamino-androstane derivatives, process for their preparation and pharmaceutical compositions containing them
03/18/1993WO1993005162A1 Method for delivering nucleic acids into cells
03/18/1993WO1993005064A1 Steroid sulphatase inhibitors
03/18/1993CA2305767A1 Steroid sulphatase inhibitors
03/18/1993CA2305758A1 Steroid sulphatase inhibitors
03/18/1993CA2305749A1 Steroid sulphatase inhibitors
03/18/1993CA2116676A1 Method for delivering nucleic acids into cells
03/16/1993US5194602 9α-hydroxy-17-methylene steroids, process for their preparation and their use in the preparation of corticosteroids
03/09/1993US5192756 Aminosterol antibiotic
03/04/1993WO1993003732A1 Gaba receptor modulators
03/03/1993CN1019978C 11-aryioestrane and 11-arylpregnalle derivatives and preparing method thereof
02/1993
02/24/1993EP0528485A1 17Beta-acyl-3-androsta-3,5-dienes as testosterone 5alpha-reductase inhibitors
02/24/1993EP0527962A1 Method, compositions, and compounds for modulating brain excitability
02/23/1993US5189032 4-amino-Δ4,6 -steroids and their use as 5α-reductase inhibitors
02/23/1993CA1313864C Phospholipid conjugates and their preparation
02/17/1993CA2067265A1 17.beta.-acyl-3-carboxy-androsta-3,5-dienes as testosterone 5.alpha.-reductase inhibitors
02/16/1993US5187299 Cyclic hydrocarbons with an aminoalkyl sidechain
02/16/1993CA1313653C 7-substituted 19-nor steroids; process for preparing them; their use as drugs and pharmaceutical compositions containing them
01/1993
01/26/1993US5182381 Intermediates for 3-keto-19-nor-Δ4,9 -steroids
01/26/1993US5182373 Quaternary ammonium-substituted saponin ethers
01/20/1993WO1993002096A1 PROCESS FOR THE PREPARATION OF 17β-SUBSTITUTED-4-AZA-5α-ANDROSTAN-3-ONE DERIVATIVES
01/20/1993EP0523688A1 Process for the preparation of 17beta-substituted-4-aza-5alpha-androstan-3-one derivatives
01/20/1993CN1068120A Process for preparation of substituted 16-methyl steroid derivatives of pregna-1.4-diene -3,20-dione
01/20/1993CA2091983A1 Process for the preparation of 17.beta.-substituted-4-aza-5.alpha.-androstan-3-one derivatives
01/07/1993EP0374166B1 Amine salts of alkane-1,n-dicarboxylic acid mono-(2-sulfato-ethyl)amides
12/1992
12/30/1992EP0520879A2 New 16-methyl substituted steroid derivatives of pregna-1,4-dien-3,20-dione, their preparation, their use in the preparation of 16-methylene substituted steroids and new intermediates therefor
12/29/1992US5175281 Antiulcer, antiinflammatory, antiischemic, antiallergen, antisecretory, wound healing agents; cardiovascular disorders
12/29/1992US5175154 Antiobesity, antidiabetic, antilipemic, anticholesterol agents
12/16/1992CN1067057A Process for preparing unsaturated 17 -substituted 3-carboxysteroids
12/09/1992EP0517047A1 Unsaturated 17beta-substituted 3-carboxy steroids
12/01/1992USRE34136 9 alpha, 11 beta-substituted and 11 beta-substituted estranes
12/01/1992CA1310958C Physical property-improving reagent
12/01/1992CA1310957C 10.beta.-ALKYNYLESTRENE DERIVATIVES AND PROCESS FOR THEIR PREPARATION
11/1992
11/26/1992WO1992020646A1 Novel quaternary ammonium salts, process for obtaining same and pharmaceutical compositions containing them
11/25/1992WO1992020700A1 UNSATURATED 17β-SUBSTITUTED 3-CARBOXY STEROIDS
11/25/1992CA2087953A1 Unsaturated 17.beta. -substituted 3-carboxy steroids
11/24/1992US5166146 Amino acid cyclopentanophenonthrene compounds
11/24/1992CA1310630C 11.beta.-PHENYL-GONANES, THEIR MANUFACTURE AND PHARMACEUTICAL PREPARATIONS CONTAINING THEM
11/19/1992EP0513887A1 N-alkyltauroursodeoxycholic acids and their therapeutically active derivatives, a process for their preparation and pharmaceutical compositions containing them
11/18/1992CN1066271A 14 beta-h-,14-and 15-ene-11 beta-aryl-4-estrene
11/10/1992CA1310009C Ester prodrugs of steroids
10/1992
10/29/1992WO1992018524A1 N-alkyl-tauroursodeoxycholic acids and their therapeutically active derivatives, a process for their preparation and pharmaceutical compositions containing them
10/21/1992EP0509259A1 The use of aminosteroids for the preparation of pharmaceutical compositions
10/20/1992US5157031 Method for prophylaxis of obesity
10/20/1992CA1309202C Polyurethanes prepared from liquid crystal-containing polyols
10/13/1992CA1308707C 20- and 21-amino steroids
10/07/1992CN1065070A 6,7-modified 11beta-aryl-4-estrene
10/06/1992US5153340 Moisture permeability, emulsification and hydration; skin lotion, shampoo, hair conditioner and lipstick
09/1992
09/30/1992CN1064869A Separation-extraction technology of cyclovirobuxine and its pills
09/29/1992CA1308095C 11.beta.-ARYLESTRADINENES, THE PRODUCTION, AND PHARMACEUTICAL PREPARATIONS CONTAINING SAME
09/22/1992US5149696 Antiestrogens
09/22/1992CA1307784C 13 .alpha.-ALKYLGONANES, THEIR PREPARATION AND PHARMACEUTICAL PREPARATIONS CONTAINING THEM
09/17/1992WO1992015604A1 Anti-testosterone compounds and method of use thereof
09/09/1992EP0502827A1 Sialic acid derivatives
09/09/1992EP0502595A2 Amide chelates, their metal complexes and their use in diagnosis and therapy
09/09/1992EP0502594A1 Chelates, their metal complexes as well as their use in diagnosis and therapy
09/09/1992EP0502112A1 Process for dehydrating corticosteroid intermediates
09/08/1992US5145874 Cyclic hydrocarbons with an aminoalkyl sidechain
09/08/1992CA2062483A1 Chelates, their metal complexes as well as their use in diagnosis and treatment
09/08/1992CA2062454A1 Amide-chelates, their metal complexes as well as their use in diagnosis and treatment
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