Patents
Patents for C07J 71 - Steroids in which the cyclopenta[a]hydrophenanthrene skeleton is condensed with a heterocyclic ring (3,845)
11/1990
11/14/1990EP0262188B1 Steroids comprising a spiranic cycle in position 17, preparation process and utilization thereof
11/01/1990WO1990009394A3 Dehalogenation of organic compounds using tin or lead
10/1990
10/09/1990US4961775 Brassinosteroid derivatives and plant growth regulators
10/03/1990EP0390097A1 1 alpha,25-dihydroxyvitamin D4 compounds, ergosta-5,7-diene compounds and processes for the preparation thereof
09/1990
09/25/1990US4959097 23-Phenylsteroids
09/19/1990EP0254744B1 Aminoglycoside steroids, a process for their preparation, their use and pharmaceutical compositions containing them
09/19/1990CN1045397A Steroid derivatives, pharmaceutical composition containing them and process for preparing them
09/12/1990EP0387090A2 Steroid derivatives,processes for their preparation and pharmaceutical compositions thereof
09/09/1990CA2011280A1 Steroid derivatives, pharmaceutical compositions containing them and process for preparing same
09/04/1990US4954630 Colorimetric or fluorescent analysis
09/04/1990US4954490 11 β-substituted progesterone analogs
08/1990
08/29/1990EP0209875B1 Resorufin derivatives and process for their preparation
08/28/1990US4952576 UCY1003 derivatives
08/23/1990WO1990009394A2 Dehalogenation of organic compounds using tin or lead
08/21/1990US4950659 Antiinflammatory agents
08/08/1990CA2025670A1 9.alpha.-dehalogenation of steroids using tin or lead
08/07/1990US4946681 With alcohol or aprotic solvent to produce water containing azadirachtin solution and removing water by by molecular sieve
07/1990
07/31/1990US4945064 Affinity for progestagen receptors
07/24/1990US4943566 Antagonistic toward glucocorticoids and progesterone
07/18/1990EP0377743A1 Steroid compounds
07/03/1990US4939247 Gamma-lactone derivatives and process of preparing same
06/1990
06/27/1990EP0375559A1 Steroids containing an alkythio radical at position 4, process for their preparation, their use as medicaments and pharmaceutical compositions containing them
06/13/1990CN1008368B Vitamin d3 derivatives having a substituent at 2-position
06/12/1990US4933168 Stable, crystalline flunisolide
06/06/1990EP0371617A2 Use of angiostatic steroids in the manufacture of a medicament for controlling ocular hypertension
05/1990
05/29/1990US4929395 Corticoids, methylation, copper catalysts, silation
05/23/1990EP0369216A2 Pharmaceutical preparation based on ester derivatives of hecogenine, and their use in treating benign prostatic hyperplasia
05/17/1990WO1990004968A1 Inhibition of human retroviruses
05/15/1990US4925933 Method of controlling the epimeric distribution in the preparation of 16,17-acetals of pregnane derivatives
05/15/1990US4925834 Fertility control, antitumor agents
05/09/1990EP0367576A2 Estrogen nucleus derivatives for use in the inhibition of sex steroid activity
05/09/1990EP0366838A1 Sterol inhibitors of testosterone 5-alpha-reductase
05/01/1990US4921846 17-spiro ethers
05/01/1990US4921638 17β-cyano-9α,17α-dihydroxyandrost-4-en-3-one
04/1990
04/30/1990CA2001938A1 Estrogen nucleus derivatives for use in the inhibition of sex steroid activity
04/30/1990CA2001898A1 Inhibition of human retroviruses
04/24/1990US4920099 Aminoglycoside steroids, a process for their preparation, their use and pharmaceutical compositions containing them
04/17/1990US4918171 Saikosaponin derivatives, their production and use
04/04/1990EP0361239A2 Use of epostane for increasing ovulation rate in swine
04/03/1990US4914198 Novel substance UCY1003 and process for preparing the same
03/1990
03/27/1990US4912097 Novel 11 β-alkynylphenyl-10-nor-steroids
03/20/1990US4910226 Estrane compound
03/20/1990US4910192 Topically active steroidal anti-inflammatory agents
03/20/1990US4910191 19-substituted progesterone derivatives useful as 19-hydroxylase inhibitors
02/1990
02/28/1990EP0355859A1 Process for the preparation of intermediates for 11-beta,16-alpha,17-alpha,21-tetrahydroxypregna-3,20-dione 16-alpha,17-alpha-acetals and 21-esters thereof
02/14/1990CN1039593A 19-substituted progesterone derivatives useful as 19-hydroxylase inhibitors
02/13/1990US4900725 Contraceptives
02/13/1990US4900477 Isomerization, epoxidation, hydrolysis
02/06/1990US4898694 17-Hydroxy-steroids
02/06/1990US4898693 Simplified production of flumethasone
01/1990
01/30/1990US4897475 Process for synthesis of 5α-cholest-8(14)-en-3β-ol-15-one and other 15-oxygenated sterols
01/23/1990US4895679 Gallistones
01/16/1990US4894369 Novel 2β-morpholino-androstane derivatives
01/11/1990WO1990000174A1 13-ALKYL-11β-PHENYLGONANES
01/11/1990DE3823068A1 Steroids and preparation processes
01/03/1990EP0349481A1 13-Alkyl-11-beta-phenyl gonanes
01/03/1990EP0348910A2 19-substituted progesterone derivatives useful as 19-hydroxylase inhibitors
01/02/1990US4891426 16α-methyl-17α 20-epoxysteroid and process
01/02/1990US4891366 Novel 2β,16β-diamino-androstanes
01/02/1990US4891365 17-Substituted estradienes and estratrienes
01/02/1990US4891364 Vitamin D derivatives, process for producing the same and their use in the differentiation of tumor cells
12/1989
12/28/1989WO1989012448A1 11beta-SUBSTITUTED PROGESTERONE ANALOGS
12/20/1989EP0347370A2 10-Beta, 11-beta-bridged steroids
12/13/1989EP0345471A2 Intermediates in the synthesis of diamino-androstane derivatives
12/12/1989US4886544 Plant growth regulators; alkenylation, oxidation, hydrolysis, acylation, lactonization
11/1989
11/30/1989WO1989011282A1 AROMATIC STEROID 5-alpha-REDUCTASE INHIBITORS
11/29/1989EP0343954A2 Aromatic steroid 5-alpha-reductase inhibitors
11/29/1989EP0245170B1 19-nor or 19-nor d-homo steroids substituted at position 11 beta by a phenyl group substituted by an alkynyl group, process for their preparation, their use in medicaments and pharmaceutical compositions containing them
11/21/1989US4882315 Aminoglycoside steroids, a process for their preparation, their use and pharmaceutical compositions containing them
10/1989
10/24/1989US4876250 Methods for controlling ocular hypertension with angiostatic steroids
10/18/1989EP0337305A1 Process for the preparation of 1-alpha,25-dihydroxy-vitamin D2 and the 24-epimer thereof
10/17/1989US4874551 δ-lactone derivatives and process of preparing same
10/10/1989US4873233 17-Substituted androsta-1,4-dien-3-one derivatives
10/04/1989EP0335106A2 Novel intermediates and an improved process for producing the compound (3 beta, 5 alpha)-3-hydroxycholest-8(14)-en-15-one
10/04/1989EP0334875A1 STEROIDAL 17$g(a)-SILYL ETHERS AND PROCESS TO CORTICOIDS AND PROGGESTERONES
10/03/1989US4871724 Novel 11-aryloestrane and 11-arylpregnane derivatives
09/1989
09/26/1989US4870069 11β-alkynyl-estrenes and -estradienes, their production and pharmaceutical preparations containing them
09/08/1989WO1989008116A1 16-homo piperidino androstanes and their preparation
08/1989
08/30/1989EP0330253A1 Novel 16-homo-piperidino-androstane derivatives and processes for their preparation
08/29/1989US4861875 3α,5-cyclo-22,23-dihydroxy-5α-steroid compounds
08/15/1989US4857518 For bone disorders; high antineoplastic activity
08/09/1989EP0327119A2 Improved process for synthesis of 5-alpha-cholest-8(14)-en-3 beta-ol-15-one and other 15-oxygenated sterols
08/01/1989US4853378 Fluorine derivatives of vitamin D3 and process for producing the same
07/1989
07/26/1989CN1034207A Steroids containing spiro ring, process and intermediates for their prepn., their use as pharmaceutical compositions containing them
07/05/1989EP0322630A1 Process for the preparation of pregneno-oxazolines
06/1989
06/28/1989EP0321572A1 Pregnane derivatives and process for their preparation
06/27/1989US4843157 Antiestrogens
06/13/1989US4839282 Preparation of 3-oxo-Δ1,4 -steroids
06/06/1989CA1255294A1 Antiandrogenic sulfonylsteroidopyrazoles and processes for preparation, method of use and compositions thereof
05/1989
05/30/1989US4835145 16,17 acetals of pregnane derivatives and pharmaceutical compositions containing them
05/24/1989CN1033057A Brassinosteroid derivatives and plant growth regulators
05/23/1989US4833133 Method of regulating fertility in cattle using epostane
05/17/1989EP0315921A1 Brassinosteroid derivatives and plant growth regulators
05/10/1989EP0156284B1 17-substituted estradienes
04/1989
04/25/1989US4824830 6- or 7-methylenandrosta-1,4-diene-3,17-dione derivatives and process for their preparation
04/18/1989US4822528 4-substituted 6-alkylidenandrosteine-3,17-dione derivatives and process for their preparation
04/11/1989US4820700 Antiinflammatory agents
04/05/1989EP0225272B1 1-methyl-15-alpha-alkyl-androsta-1,4-diene-3,17-diones, process for their preparation and pharmaceutical compositions containing them
03/1989
03/29/1989EP0308412A1 16-g(a)-METHYLATION PROCESS.
03/22/1989EP0308345A1 Steroids with a 3,4 or 6 ring members spiro ring at position 17, their preparation, intermediates for their preparation, their use as medicaments and pharmaceutical compositions containing them
1 ... 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39