| Patents for C07J 75 - Processes for the preparation of steroids, in general (1,657) |
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| 09/14/1994 | EP0614908A2 Method of preparation of 3-beta-aminocholanic acid derivatives |
| 08/23/1994 | CA1331601C Dehydrogenation process |
| 08/17/1994 | EP0610742A1 Process for obtaining tocopherols and sterols from natural springs |
| 08/17/1994 | CN1090852A Androstane derivatives substituted by a quaternary ammonium group in 16-position, pharmaceutical compositions containing them and process for preparing same |
| 08/10/1994 | EP0610138A1 New process for preparation of 6alpha,9alpha difluoro-steroids and intermediates therefor |
| 08/10/1994 | CN1090583A New finasteride processes |
| 08/10/1994 | CN1025587C Productive method for preparing source powder of anti-paradentitis |
| 08/03/1994 | EP0608495A2 Androstane derivatives substituted by a quaternary ammonium group in 16-position, pharmaceutical compositions containing them and process for preparing same |
| 07/27/1994 | EP0608178A1 New 16-alpha steroid-methylation process |
| 07/27/1994 | EP0607413A1 Side chain derivatized 15-oxygenated sterols, methods of using them and a process for preparing them |
| 07/20/1994 | EP0607088A1 New 17,20-epoxy pregnane derivatives, their use in the preparation of cortisone derivatives and intermediates therefor |
| 07/07/1994 | WO1994014833A2 Substituted 6-azaandrostenones |
| 07/07/1994 | CA2152053A1 Substituted 6-azaandrostenones |
| 06/09/1994 | WO1994003177A3 Side chain derivatized 15-oxygenated sterols, methods of using them and a process for preparing them |
| 06/08/1994 | CN1087644A Synthetic technology of 17a-acetylene estriol-3-cyclopentana ether |
| 06/07/1994 | US5319115 Chemoselective and diastereoselective process from pregnane-3,20-dione; no need to protect 20-keto group |
| 06/01/1994 | EP0599376A2 A process for the production of finasteride |
| 05/26/1994 | WO1994011387A2 A process for the production of finasteride |
| 05/26/1994 | WO1994011386A1 17-alpha and 17-beta substituted acyl-3-carboxy-3,5-dienes and use in inhibiting 5-alpha-reductase |
| 05/26/1994 | WO1994011385A1 17-alpha-acyl steroids which inhibit 5-alpha-reductase |
| 05/26/1994 | WO1994011004A1 17 substituted acyl-3-carboxy 3,5-diene steroidals as 5-alpha-reductase inhibitors |
| 05/26/1994 | CA2149427A1 17-alpha and 17-beta substituted acyl-3-carboxy-3,5-dienes and use in inhibiting 5-alpha-reductase |
| 05/25/1994 | CN1087090A Complete synthesizing process for compound of 17-substituted 11 beta-substituted aromatic base 4,9-estradiene |
| 05/18/1994 | EP0597018A1 Novel glycoside compounds and production and use thereof |
| 05/17/1994 | US5312640 Reduction of cholesterol in egg yolk by the addition of either acid or both salt and acid |
| 05/03/1994 | CA2108741A1 Androstane derivatives substituted by a quaternary ammonium group in 16- position, pharmaceutical compositions containing them and process for preparing same |
| 04/19/1994 | US5304291 Method of preparing 9beta, 10alpha-5,7-diene steroids |
| 04/13/1994 | EP0591268A1 Method for the preparation of 6-methylene steroids |
| 04/05/1994 | US5300664 Method for producing (+)-estrone derivatives |
| 03/30/1994 | EP0589034A1 METHOD FOR MAKING 3$g(a)-HYDROXY,3$g(b)-SUBSTITUTED-PREGNANES |
| 03/17/1994 | WO1994005650A1 Isolation of tocopherol and sterol |
| 03/16/1994 | CN1083819A Notoginseng total saponin medicines and its preparation method |
| 03/15/1994 | US5294704 4,9(11),17(20)-pregnatriene-3-ones |
| 03/03/1994 | WO1994004553A1 Method of preparing 1-methyl-3-keto-δ1,4-steroids |
| 03/03/1994 | DE4228476A1 Gewinnung von Tocopherol und Sterol Recovery of tocopherol and sterol |
| 03/02/1994 | CN1083069A New preparation process for an 11-keto steroid derivatives |
| 02/25/1994 | CA2104418A1 Method of preparing hydrindane compounds and hydrindane-related compounds |
| 02/23/1994 | EP0583606A2 New hydrazono-5-beta-androstane derivatives active on the cardiovascular system, processes for their preparation and pharmaceutical compositions containing same |
| 02/21/1994 | CA2103824A1 Hydrazono-5.beta., 14.beta.-androstane derivatives active on the car diovascular system, processes for their preparation and pharmaceutical compositions containing same |
| 02/17/1994 | WO1994003177A2 Side chain derivatized 15-oxygenated sterols, methods of using them and a process for preparing them |
| 02/17/1994 | DE4227053A1 Verfahren zur Herstellung von 1-Methyl-3-keto-ï·1·,·4·-steroiden -steroiden Process for the preparation of 1-methyl-3-keto-i · 1 · · · 4 |
| 02/17/1994 | CA2120498A1 Side chain derivatized 15-oxygenated sterols, methods of using them and a process for preparing them |
| 02/02/1994 | EP0581649A1 New method of production of 20-keto 21(S)-hydroxy steroids and intermediates thereof |
| 01/11/1994 | CA1326013C Methods for synthesizing benign prostatic hypertropic agents and their intermediates |
| 01/06/1994 | WO1994000478A1 Steroidal beta-o-cellobioside heptaalkanoate process |
| 01/06/1994 | CA2138016A1 Steroidal beta-o-cellobioside heptaalkanoate process |
| 01/05/1994 | EP0576562A1 Lipid fractionation |
| 01/05/1994 | CN1080291A Method for extracting fine saponin from teaseed cake dregs |
| 12/29/1993 | EP0576330A1 A new process for producing 9(11)-unsaturated steroids |
| 12/22/1993 | CN1079625A Reduction of cholesterol in egg yolk by the addition of either salt or acid, or both |
| 12/15/1993 | EP0574317A1 A new process for the preparation of 20-keto, 21-alpha-hydroxy steroids and intermediates therefor |
| 12/08/1993 | EP0573362A1 New process for the production of 11-keto steroids |
| 11/24/1993 | EP0570454A1 Novel steroids |
| 11/24/1993 | CN1078723A N-T-butyl-androst-3,5-diene-17BETA-carboxamide-3-carboxylic acid polymorph A |
| 11/17/1993 | CN1078475A Process |
| 11/17/1993 | CN1078474A Process |
| 10/28/1993 | WO1993021205A1 Isolation of steroids containing a 5,7-diene functionality from a sterol mixture |
| 10/20/1993 | EP0566030A2 Process for producing optically active olefin |
| 10/13/1993 | CN1077201A Process |
| 10/13/1993 | CN1077200A Process |
| 09/30/1993 | WO1993019081A1 N-T-BUTYL-ANDROST-3,5-DIENE-17β-CARBOXAMIDE-3-CARBOXYLIC ACID POLYMORPH A |
| 09/30/1993 | WO1993019080A1 N-T-BUTYL-ANDROST-3,5-DIENE-17β-CARBOXAMIDE-3-CARBOXYLIC ACID POLYMORPH B |
| 09/30/1993 | CA2132535A1 N-t-butyl-androst-3,5-diene-17.beta.-carboxamide-3- carboxylic acid polymorpha |
| 09/16/1993 | WO1993018053A1 METHOD FOR MAKING 3α-HYDROXY,3β-SUBSTITUTED-PREGNANES |
| 09/07/1993 | US5242833 Cholesterol, triglycerides |
| 09/02/1993 | WO1993016607A1 Method for decholesterolization of egg yolk with simultaneous production of cholesterol as a by-product |
| 09/01/1993 | EP0558119A2 Method of preparating 9beta, 10alpha-5,7-diene steroids |
| 08/25/1993 | EP0557097A1 Reduction of cholesterol in egg yolk by the addition of either salt or acid, or both |
| 08/24/1993 | CA1321582C Disulfur analogs of ll-e33288 antitumor agents |
| 08/22/1993 | CA2088541A1 Reduction of cholesterol in egg yolk by the addition of either salt or acid, or both |
| 08/19/1993 | WO1993016098A1 Process of preparing 3-acylandrostadienes |
| 08/19/1993 | WO1993016097A1 Process of preparing 3-carbonylandrostadiene 17-carboxamides |
| 08/19/1993 | CA2129347A1 Process of preparing 3-acylandrostadienes |
| 08/19/1993 | CA2129342A1 Process of preparing 3-carbonylandrostadiene 17-carboxamides |
| 08/17/1993 | US5237061 17B-substituted 3-oxo-4-azasteroids, imidazolide intermediate |
| 07/22/1993 | WO1993014107A1 Process for preparing 3-acylestratrienes and acylbenzenes |
| 07/22/1993 | WO1993014106A1 Halogenation using halo-vilsmeier reagent |
| 07/22/1993 | CA2127274A1 Process for preparing 3-acylestratrienes and acylbenzenes |
| 07/22/1993 | CA2127272A1 Halogenation using halo-vilsmeier reagent |
| 06/29/1993 | CA1319680C Synthesis of 6-methylene derivatives of androsta-1,4-diene-3,17-dione |
| 06/16/1993 | CN1073179A Novel glycoside compounds and production and use thereof |
| 06/10/1993 | WO1993011150A1 Method for making steroidal peracyl glycosides |
| 06/10/1993 | CA2123684A1 Method for making steroidal peracyl glycosides |
| 06/02/1993 | EP0544442A2 Method for producing (+)-estrone derivatives |
| 05/12/1993 | EP0540649A1 Method for hydroxylation of a cyclic or acyclic methylene radical in the allylic position, pharmaceutical composition containing hydroxycholesterol derivatives and utilisation of such compositions for the preparation of drugs |
| 05/04/1993 | CA1317283C Steroidal 17-silyl ethers and process to corticoids and progesterones |
| 04/06/1993 | CA1315774C Anthraline-sterol complexes, their production process and their use as therapeutics and cosmetics |
| 04/05/1993 | CA2079543A1 Process for making cholesterol lowering saponins |
| 04/01/1993 | WO1993006066A1 METHYLATING OR ETHYLATING AGENT AND PROCESS FOR 1,4-ADDING A METHYL OR ETHYL GROUP TO AN α,β-UNSATURATED KETO COMPOUND __ |
| 03/31/1993 | EP0534582A1 Methylation or ethylation agent and process for an 1,4-addition of a methyl- or ethylgroup to an alpha, beta-insaturated ketogroup |
| 03/31/1993 | EP0534316A1 Use of alkylated polyethylenimines to concentrate bile acids |
| 03/22/1993 | CA2078588A1 Use of alkylated polyethyleneimine derivatives for concentrating bile acids |
| 02/16/1993 | US5187273 Δ4,9(11),17(20) -pregnatriene-3-ones |
| 02/10/1993 | EP0374185B1 IMPROVED 9$g(a)-DEHALOGENATION PROCESS |
| 02/04/1993 | WO1993001821A1 Novel glycoside compounds and production and use thereof |
| 01/20/1993 | CN1068121A Extraction process of tigogenin |
| 01/07/1993 | WO1993000354A1 Method for the preparation of 6-methylene steroids |
| 01/07/1993 | DE4121484A1 Verfahren zur herstellung von 6-methylensteroiden A process for preparing 6-methyl steroids |
| 12/09/1992 | CN1066852A New steroid derivatives, their preparation, their use and new intermediates |
| 12/08/1992 | US5169966 Process for producing an α-acyloxy-α, β-unsaturated carbonyl compound and a 20-acyloxy-17(20)-methylen-21-al-steroid compound |