| Patents for C07J 75 - Processes for the preparation of steroids, in general (1,657) |
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| 11/25/1992 | EP0515264A2 New steroid derivatives of pregna-4,9(11),17(20)-trien-3-on, their preparation, their use in the preparation of derivatives of pregna-4,9(11),16-trien-3,20-dione and intermediates therefor |
| 11/19/1992 | EP0513947A1 14 Alpha, 16alpha-ethano- and 14alpha, 16alpha ethenoestratrienes |
| 11/04/1992 | EP0511727A1 14-alpha,17alpha-(propano- and 17,2-propeno)-estratrienes |
| 10/31/1992 | WO1992019642A1 14α,17α-(PROPANO AND 172-PROPENO)ESTRATRIENES |
| 10/31/1992 | WO1992019641A1 14α,16α-ETHANO AND 14α,16α-ETHENO ESTRATRIENES |
| 10/31/1992 | CA2107787A1 14.alpha., 17.alpha.-(propano and 17²-propeno)estratrienes |
| 10/31/1992 | CA2107361A1 14.alpha.,16.alpha.-ethano and 14.alpha.,16.alpha.-ethano estratrienes |
| 10/27/1992 | US5159091 Reacting prednisolone 17a, 21-cyclic orthoester with boric acid, sulfonylating, reacting with alkali metal iodine in methyl ethyl ketone in lower fatty acid |
| 10/14/1992 | EP0378563B1 Conversion of steroidal 17-cyanohydrins to corticoids |
| 10/01/1992 | WO1992016300A1 Lipid fractionation |
| 09/03/1992 | WO1992014746A1 Starting compounds for preparing calcitriol and its derivatives, method for preparing these starting compounds and intermediate products for this method |
| 09/02/1992 | CN1064079A Steroids |
| 09/01/1992 | CA1306993C PROCESS FOR THE PRODUCTION OF 17.alpha.-ETHINYL-17.beta.-HYDROXY-18-METHYL-4,15-ESTRADIEN-3-ONE AND NEW INTERMEDIATE PRODUCTS FOR THIS PROCESS |
| 08/20/1992 | WO1992013872A1 Novel steroids |
| 08/20/1992 | DE4105503A1 Ausgangsverbindungen zur herstellung von calcitriol sowie dessen abkoemmlingen, verfahren zur herstellung dieser ausgangsverbindungen sowie zwischenprodukte fuer dieses verfahren Starting compounds for the production of calcitriol and its derivatives, process for manufacturing output, of such and intermediates for this process |
| 08/20/1992 | CA2103924A1 Novel steroids |
| 08/19/1992 | EP0498870A1 Method for extracting minor fatty compounds from bioligical matter. |
| 08/18/1992 | US5140106 Process for the production of 3-deoxy-4-ene steroids |
| 08/18/1992 | US5140022 3-acyclic or cyclicaminomethyl-17a-lower-alkyl-17a-aza-d-homo-5-alpha-androstanes |
| 07/22/1992 | EP0494942A1 Process for the manufacture of budesonide. |
| 06/09/1992 | US5120847 Chemical intermediate which can be dehydrohalogenation |
| 06/02/1992 | CA1302401C Process for the preparation of 21-hydroxy-20-keto-delta__ -steroids and new intermediate compounds formed in this process |
| 05/26/1992 | US5117015 Process for production of 1-α, 3-β, 24-trihydroxy Δ-5 |
| 04/08/1992 | EP0478910A2 3-Substituted-aminomethyl-3-substituted-oxy-17A-methyl-17A-lower-alkyl-17A-aza-d-homo-5-alpha-androstanes |
| 04/02/1992 | CA2046527A1 3-substituted-aminomethyl-3-substituted-oxy-17a-methyl-17a-lower-alkyl-17a-aza-d-homo-5-alpha androstanes |
| 04/01/1992 | EP0478068A2 New process for making 17-beta alkanoyl 3-oxo-4-aza-5-alpha-androst-1-enes |
| 04/01/1992 | EP0478066A2 New process for making 3-oxo-4-aza-androst-1-ene 17beta-ketones |
| 03/25/1992 | CA2050824A1 Process for making 3-oxo-4-aza-androst-1-ene 17-.beta.-ketones |
| 03/25/1992 | CA2050821A1 Process for making 17-.beta. alkanoyl 3-oxo-4-aza-5-alpha-androst- 1-enes |
| 03/24/1992 | US5098535 Process for preparing 14-α-hydroxy-4-androstene-3,6,17-trione |
| 03/18/1992 | EP0308412B1 16$g(a)-METHYLATION PROCESS |
| 03/17/1992 | US5096898 Bile acid unsaturated derivatives and pharmaceutical compositions containing them |
| 03/05/1992 | WO1992004431A1 Method for extracting minor fatty compounds from bioligical matter |
| 03/05/1992 | WO1992004430A1 Method for extracting minor fatty compounds from biological matter |
| 03/05/1992 | CA2073051A1 Process for extracting minor fatty compounds which occur in a substance of biological origin |
| 03/05/1992 | CA2073014A1 Process for extracting minor fatty compounds from a substance of biological origin |
| 03/04/1992 | EP0473226A2 Trialkysilyl trifluoromethanesulfonate mediated functionalization of 4-aza-5alpha-androstan-3-one steroids |
| 03/04/1992 | EP0473225A2 Process for iodinating or brominating the alpha-methylenic carbon of a secondary amide |
| 02/25/1992 | US5091534 Electrophilic substitution |
| 02/19/1992 | EP0471612A2 New steroids having an amide substituted group in the 11-beta position, their preparation, their use as medicines and pharmaceutical composition thereof |
| 02/15/1992 | CA2049102A1 19-nor-steroids with a carbon chain in 11-beta containing an amido group, preparation thereof, their application as drugs and pharmaceutical compositions containing them |
| 02/11/1992 | US5087709 Process for the preparation of 1α,25-dihydroxyvitamin D2 and the 24-epimer thereof |
| 02/06/1992 | WO1992001803A1 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 |
| 01/28/1992 | US5084584 Process for producing an α-acyloxy-α,β-unsaturated carbonyl compound and a 20-acyloxy-17(20)-methylen-21-al-steroid compound |
| 01/28/1992 | CA1294952C Process for the preparation of 9(11)-dehydro steroids |
| 01/08/1992 | EP0464153A1 Dehalogenation of organic compounds using tin or lead. |
| 12/25/1991 | CN1057267A Technology for ginseng polypeptide, polysacharide, and saponin 0 47791 |
| 12/12/1991 | WO1991018918A1 PROCESS FOR PRODUCING 10β-H-STEROIDS |
| 11/05/1991 | CA1291747C Process for the preparation of 20-keto-delta _-steroids and new intermediate compounds formed in this process |
| 10/29/1991 | US5061803 Process for making 17-beta alkanoyl 3-oxo-4-aza-5-α-androst-1-enes |
| 09/24/1991 | WO1991014500A1 Ceramic materials, method of preparing the same and hydrogenation and oxidation processes using the same |
| 09/24/1991 | CA2078881A1 Ceramic materials, method of preparing the same and hydrogenation and oxidation processes using the same |
| 09/11/1991 | EP0381747A4 Water soluble branched beta cyclodextrin steroid complex |
| 09/10/1991 | US5047380 Ceramic materials, method of preparing the same and hydrogenation and oxidation processes using the same |
| 09/04/1991 | EP0444424A2 Bile acid unsaturated derivatives, processes for the preparation thereof and pharmaceutical compositions containing them |
| 08/14/1991 | EP0440752A1 Method for the preparation of 3-desoxy-4-ene steroids. |
| 08/13/1991 | CA1287623C PROCESS FOR SYNTHESIS OF 5.alpha.-CHOLEST-8(14)-EN 3.beta.-OL-15-ONE AND OTHER 15-OXYGENATED STEROLS |
| 06/04/1991 | US5021575 Treating with oxalyl chloride, brominating, dehydrobromination then deprotecting to yield isomers |
| 05/22/1991 | EP0428366A2 Method for introducing a 1,2 double bond into azasteroids |
| 05/02/1991 | EP0424921A2 Process for preparing 21-desoxyprednisolone 17-esters |
| 04/18/1991 | WO1991004984A1 Process for the manufacture of budesonide |
| 03/26/1991 | US5003063 Protected aldehyde intermediate |
| 02/05/1991 | US4990635 Synthesis of 6-methylene derivatives of androsta-1,4-diene-3,17-dione |
| 01/16/1991 | CN1048547A Extracting process by once crystallizing for hygro sapogenin |
| 12/11/1990 | US4977255 Steroidal 17α-silyl ethers and process to corticoids and progesterones |
| 11/01/1990 | WO1990009394A3 Dehalogenation of organic compounds using tin or lead |
| 10/09/1990 | US4961922 Complexes based on anthralin and a sterol, a process for obtaining them and their use in therapeutics and cosmetics |
| 10/04/1990 | WO1990011290A1 Method for the preparation of 3-desoxy-4-ene steroids |
| 09/11/1990 | US4956482 Esterification then reaction with formic acid in the presence of silver catalyst, saponification, exchanging |
| 09/05/1990 | EP0285548B1 Process for the preparation of 17-alpha-ethynyl-17-beta-hydroxy-18-methyl-4,15-estradien-3-one, and intermediates for this process |
| 08/23/1990 | WO1990009394A2 Dehalogenation of organic compounds using tin or lead |
| 08/16/1990 | EP0382162A2 Process for preparing 14-alpha-hydroxy-4-androstene-3,6,17-trione |
| 08/16/1990 | EP0381747A1 Water soluble branched beta cyclodextrin steroid complex |
| 08/08/1990 | CA2025670A1 9.alpha.-dehalogenation of steroids using tin or lead |
| 07/25/1990 | EP0378563A1 Conversion of steroidal 17-cyanohydrins to corticoids. |
| 07/18/1990 | CN1008821B Making method of natural blue total saponin |
| 07/18/1990 | CN1008820B Process for the production of 17 alpha-ethynyl-17beta-hydroxy-18-methyl-4, 15-estradien-3-one |
| 07/03/1990 | US4939276 Salt formation of fatty acids with calcium hydroxide to separate tocopherols and/or steroids |
| 06/27/1990 | EP0374185A1 IMPROVED 9-g(a)-DEHALOGENATION PROCESS. |
| 05/30/1990 | CN1042544A Abstraction process for main component of her ba lysimachiae |
| 05/09/1990 | EP0367502A1 Methods of synthesizing benign prostatic hypertrophic agents |
| 05/08/1990 | US4923640 17-enol ester or silyloxy unsaturate, palladium catalyst, gestation |
| 04/24/1990 | US4920216 Selective chlorination of steroids and other substrates directed by covalently linked pyridine derivatives acting as templates |
| 04/17/1990 | US4917828 Oxidizing hydrocholanates with alkali metal salt of an oxo acid of halogen in prescence of cerium compound |
| 04/17/1990 | US4917827 Dehydration in presence of Lewis acid |
| 02/22/1990 | WO1990001320A1 Water soluble branched beta cyclodextrin steroid complex |
| 02/14/1990 | CN1039595A Productive technology of puncture vine total saponin |
| 01/30/1990 | US4897475 Process for synthesis of 5α-cholest-8(14)-en-3β-ol-15-one and other 15-oxygenated sterols |
| 01/10/1990 | EP0349869A2 Process for production of 1alfa, 3beta, 24-trihydroxy-delta5-steroids |
| 01/10/1990 | CN1038667A Process for biochemical oxidation of steroids and genetically engineered cells to be used therefor |
| 12/06/1989 | EP0345153A1 Affinity markers for hormonal steroid receptors, their use in hormonoradio therapy and as imaging agents of hormone-dependent cancers |
| 11/22/1989 | CN1037273A Productive method for preparing source powder of anti-paradentitis |
| 11/21/1989 | US4882439 Steroid intermediates |
| 11/16/1989 | WO1989010963A1 Process for the biochemical oxidation of steroids and genetically engineered cells to be used therefor |
| 10/18/1989 | EP0337890A1 Complexes from anthralin and one sterol, process for their preparation and their use in therapeutics and cosmetics |
| 10/18/1989 | EP0337305A1 Process for the preparation of 1-alpha,25-dihydroxy-vitamin D2 and the 24-epimer thereof |
| 10/04/1989 | EP0334875A1 STEROIDAL 17$g(a)-SILYL ETHERS AND PROCESS TO CORTICOIDS AND PROGGESTERONES |
| 09/26/1989 | CA1260929A1 Process for the preparation of pregnane derivatives |
| 08/29/1989 | CA1258852A1 Process for the preparation of glycosides from glycosyl fluorides |
| 08/09/1989 | EP0327119A2 Improved process for synthesis of 5-alpha-cholest-8(14)-en-3 beta-ol-15-one and other 15-oxygenated sterols |