| Patents for C07J 75 - Processes for the preparation of steroids, in general (1,657) |
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| 08/02/1989 | EP0326469A1 Process for the elimination of steroidic compounds which are contained from a substance of biological origin |
| 08/02/1989 | EP0326340A2 Improvement in the synthesis of 6-methylene derivatives of androsta-1,4-diene-3,17-dione |
| 07/11/1989 | CA1257249A1 17-(isocyano-sulfonylmethylene)-steroids, 17- (formamido-sulfonylmethylene)-steroids and their preparation |
| 06/07/1989 | CN1033275A Concentration process |
| 05/24/1989 | EP0316729A2 Process for the enrichment of tocopherols in natural springs |
| 05/03/1989 | EP0313874A2 Disulfur analogs of LL-E33288 antitumor agents |
| 05/03/1989 | EP0313873A1 Targeted forms of methyltrithio antitumor agents |
| 03/29/1989 | EP0308412A1 16-g(a)-METHYLATION PROCESS. |
| 03/15/1989 | EP0306969A2 A process for producing an alpha-acyloxy-alpha beta-unsaturated carbonyl compound and a 20-acyl-oxy-17(20)-methylen-21-al-steroid compound |
| 02/28/1989 | CA1250570A1 PROCESS FOR THE PRODUCTION OF 17.alpha.-ETHYNYL-17.beta.- HYDROXY-18-METHYL-4, 15-ESTRADIEN-3-ONE, AND THE STARTING COMPOUNDS FOR THIS PROCESS |
| 02/23/1989 | WO1989001483A1 Conversion of steroidal 17-cyanohydrins to corticoids |
| 02/23/1989 | WO1989001482A1 IMPROVED 9alpha-DEHALOGENATION PROCESS |
| 01/11/1989 | EP0298652A2 Dehydrogenation process and intermediates |
| 01/11/1989 | CN1030240A Process for preparing 9 (11)-dehydro steroids |
| 12/14/1988 | EP0294911A1 Process for the preparation of 9(11)-dehydro steroids |
| 12/01/1988 | WO1988009337A1 Selective chlorination of steroids and other substrates directed by covalently linked agents comprising a nitrogen-containing ring acting as templates |
| 11/15/1988 | CA1244822A1 Selective acylation process |
| 10/05/1988 | EP0285548A1 Process for the preparation of 17-alpha-ethynyl-17-beta-hydroxy-18-methyl-4,15-estradien-3-one, and intermediates for this process |
| 07/19/1988 | US4758383 Ergosta-1,5,7,22-tetraen-3β-ol and its use as an intermediate for 1α-hydroxy vitamin D2 |
| 06/15/1988 | EP0270867A1 Steroid derivatives and processes of preparing same |
| 06/14/1988 | US4751329 Herbicide intermediates |
| 06/07/1988 | US4749785 Process for the preparation of glycosides from glycosyl fluorides |
| 05/25/1988 | EP0268400A1 Steroidal 17alpha-silyl ethers and process to corticoids and progesterones |
| 05/19/1988 | WO1988003534A1 STEROIDAL 17alpha-SILYL ETHERS AND PROCESS TO CORTICOIDS AND PROGGESTERONES |
| 02/02/1988 | US4723045 Processes for preparing cholesta-1,5,7-trien-3-ol |
| 01/20/1988 | EP0253415A1 Process for the preparation of 9(11)-dehydroandrostanes |
| 01/12/1988 | US4719054 Process for the production of 17α-ethynyl-17β-hydroxy-18-methyl-4,15-estradien-3-one, and novel 3,5-estradien-17-one starting compounds for this process |
| 01/06/1988 | CN86104409A Making method of natural blue total saponin |
| 12/17/1987 | WO1987007612A1 16alpha-METHYLATION PROCESS |
| 11/24/1987 | US4708823 Steroids |
| 08/26/1987 | EP0233543A1 Processes for preparing cholesta-1,5,7-trien-3-ol |
| 07/28/1987 | CA1224773A1 Process for obtaining free carbon radicals |
| 05/26/1987 | US4668356 Photolytic process for the formation of carbon-containing free radicals and its applications to free radical polymerization in particular |
| 05/12/1987 | US4664807 Method of isolating sterols in commercial quantities from sterol-containing material |
| 04/01/1987 | EP0216614A2 Synthesis of steroids and intermediates therof |
| 03/03/1987 | US4647410 Novel 17-substituted steroids |
| 01/21/1987 | CN86102560A Process for the production of 17alpha-ethynyl-17beta-hydroxy-18-methyl-4,15-estradien-3-one |
| 11/12/1986 | EP0201452A2 Process for the preparation of 17-alpha-ethynyl-17-beta-hydroxy-18-methyl-estra-4,15-dien-3-one and the starting products for this process |
| 09/16/1986 | CA1211430A1 Steroid esters preparation |
| 07/29/1986 | CA1208626A1 Process for the preparation of hydrochlorides |
| 07/08/1986 | US4599200 Ketalization, methylenation, hydrolysis, acetylation |
| 06/03/1986 | US4592869 Selective acylation process |
| 05/27/1986 | US4591461 Steroid intermediates |
| 05/21/1986 | EP0181442A1 Process for the preparation of pregnane derivative |
| 05/13/1986 | US4588529 Dissolving in solvent and contacting with zinc, copper, or iron dust and an acid |
| 01/22/1986 | EP0168723A2 Process for the preparation of glycosides from glycosyl fluorides |
| 01/21/1986 | US4565876 16-imino-17-azasteroids, hypotensives |
| 01/21/1986 | US4565657 Process for the production of 17α-acyloxy-6-chloro-1α,2α-m |
| 11/05/1985 | US4551278 Preparation of 20-keto-Δ16 -steroids |
| 10/29/1985 | US4549990 Solvent extraction using an ester |
| 10/22/1985 | US4548749 Process for the preparation of 21-hydroxy-20-keto-Δ16 -steroids and new intermediate compounds formed in this process |
| 08/27/1985 | US4537722 Steroid esters preparation |
| 08/20/1985 | CA1192184A1 Method of preparing .delta.5,7-steroids |
| 07/09/1985 | US4528137 Process for preparing fluorine-containing steroids |
| 06/12/1985 | EP0143888A2 Process for the preparation of 17-alpha-acyloxy-6-chloro-1-alpha,2-alpha-methylene-4,6-pregnadiene-3-20-diones |
| 05/15/1985 | EP0141690A1 Process for the formation of free carbon radicals, its applications, in particular to radical polymerization |
| 04/24/1985 | EP0138153A2 A selective acylation process |
| 04/10/1985 | EP0136465A2 Process for the preparation of 17-alpha-acetoxy-1-alpha, 2-alpha-methylene-pregna-4,6-diene-3,20 dione |
| 03/26/1985 | US4507238 Hydrogenation with raney nickel, oxidation |
| 02/26/1985 | US4501701 Reaction of keto steroid with isocyano or formyl amino phosphonates |
| 01/08/1985 | CA1180694A1 Method of isolating sterols in commercial quantities from sterol-containing material |
| 12/12/1984 | EP0127829A2 Improved steroid esters preparation |
| 12/05/1984 | EP0127217A1 New process for the preparation of 20-keto-delta16-steroids and new intermediate compounds formed in this process |
| 12/05/1984 | EP0127216A1 Process for the preparation of 21-hydroxy-20-keto-delta16-steroids and intermediate compounds formed in this process |
| 12/04/1984 | US4486352 Process for preparing 3alpha, 7beta-dihydroxy-5beta-cholanic acid |
| 11/21/1984 | EP0125542A1 Process for preparing hydrochlorides |
| 11/14/1984 | EP0124934A1 17-(Isocyano-sulfonylmethylene)-steroids, 17-(formamido-sulfonylmethylene)-steroids and their preparation |
| 11/07/1984 | EP0123736A1 New process for the preparation of 21-hydroxy-20-keto-delta 16-steroids and new intermediate compounds formed in this process |
| 11/07/1984 | EP0123735A1 New process for the preparation of 20-keto-delta-16-steroids and new intermediate compounds formed in this process |
| 11/07/1984 | EP0123734A1 17-(Isocyano-sulfonylmethylene)-steroids, 17-(formamido-sulfonylmethylene)-steroids and their preparation |
| 10/30/1984 | CA1177063A1 PROCESS FOR PREPARING URSODEOXYCHOLIC ACID FROM 3.alpha.,7.beta.,12.alpha.-TETRAHYDROXYCHOLANIC ACID |
| 10/16/1984 | CA1176239A1 PROCESS FOR PREPARING 16.alpha.-HYDROXY-17.alpha.- AMINOPREGNANE DERIVATIVES |
| 09/19/1984 | EP0118660A2 Process for preparing 6-fluorine-steroids |
| 09/05/1984 | EP0117507A1 Process for the preparation of 3-(delta-4-3-ketosteroid-17-alpha-yl)propionic acid lactones |
| 08/21/1984 | US4466921 4-Dimethylaminopyridinium chlorochromate as an oxidizing agent for conversion of alcohols to their respective ketones |
| 08/07/1984 | US4464298 Method of preparing Δ5,7-steroids |
| 06/05/1984 | US4452994 Complexing prostaglandins, steroids and subsequent decomposition |
| 04/03/1984 | US4440684 Process for the preparation of 6-methyl-Δ4,6 -3-keto steroids |
| 04/03/1984 | CA1164859A1 Process for the preparation of 6-methylene steroids |
| 11/01/1983 | US4412953 Process for preparing 16α-hydroxy-17α-aminopregnane derivatives |
| 10/12/1983 | EP0091154A1 Process for preparing 3-alpha,7-beta-dihydroxy-5-beta-cholanic acid |
| 08/17/1983 | EP0085900A2 Process for the preparation of 6-methyl-delta-4,6-3-keto steroids |
| 07/27/1983 | EP0084199A1 Method of preparing delta 5,7-steroids |
| 05/17/1983 | US4383947 Reacting perchloryl fluoride with c3-protected 3,9-dihyproxyandrosta-3,5-dien-17-one, antiinflammatory |
| 04/05/1983 | CA1144154A1 Process for preparing d su9(11) xx-and/or d su16 xx- unsaturated steroids |
| 02/22/1983 | CA1141750A1 Process for the preparation of 11-keto steroids |
| 02/16/1983 | EP0072293A2 Process for the preparation of ursodeoxycholic acid starting from 3-alpha, 7-beta, 12-alpha-trihydroxy cholanic acid, and intermediates used |
| 06/09/1982 | EP0053415A1 Method of isolating sterols in commercial quantities from sterol-containing material |
| 04/06/1982 | CA1121147A1 Epoxidation reactive and its application to the epoxidation of polycyclic, cyclic or acyclic organic compounds being at least monoethylenically unsaturated |
| 03/30/1982 | US4322349 Process for preparing 6-methylene steroids |
| 02/16/1982 | US4315866 Process for preparing 11-keto steroids |
| 01/19/1982 | US4311646 Dehydrobromination |
| 12/15/1981 | US4305881 Process for 1α,3β-dihydroxy-Δ5 -steroids |
| 09/22/1981 | US4290963 Process for preparing Δ9(11) and/or Δ16 -unsaturated sternoids |
| 08/19/1981 | EP0034115A2 Process for the preparation of 6-methylene steroids |
| 08/18/1981 | US4284558 Fluorine, pentafluorosulfur hypofluorite, fluoroalkyl hypofluorites; free radical suppressor |
| 06/17/1981 | EP0030368A1 Process for the preparation of 11-keto steroids |
| 05/12/1981 | CA1100942A1 Process for thermally stabilizing sterols |
| 04/22/1981 | EP0027192A1 A process for the preparation of 4,6-dien-3-one steroids |
| 03/24/1981 | US4257948 Hydrogen peroxide and hexachloroacetone |