Patents
Patents for C07J 75 - Processes for the preparation of steroids, in general (1,657)
07/2008
07/03/2008WO2008056059A3 4-azasterol derivatives, methods for the synthesis thereof and use of same as drugs
07/03/2008US20080161586 Process for recovering sterols from a crude source containing sterol esters
07/02/2008CN101210040A Method for separating and preparing asiaticoside chemical reference substance
07/02/2008CN101210039A Method for separating and preparing madecassoside chemical reference substance
06/2008
06/25/2008CN101205247A Method for preparing panaxoside monomer Re,Rh1,Rh2,Rg2,Rg3 by using ginseng stem and leaves
06/18/2008CN101200489A Method for refining tanshinoneóA sodium sulfonate
06/18/2008CN101200487A Method for preparing asiatic centella total saponins by using macroporous adsorption resin
06/17/2008US7388003 Δ15-D-Homosteroids with androgenic action
06/04/2008CN100391918C Method of separating wool acid and lanonol from wool grease
06/03/2008US7381718 new process for the preparation of a key intermediate
05/2008
05/28/2008CN101186630A Fast preparation method for ganoderma lucidum triterpene compounds and products thereof
05/21/2008CN100389123C Synthesis of 26-bromo-16, 22-dioxy-cholesterol compounds
05/21/2008CN100389121C Momertasone furoate intermediate 21-hydroxyl preparing process
05/20/2008US7375098 8β-vinyl-11β-(ω-substituted)alkyl-estra-1,3,5(10)-trienes
05/15/2008WO2008056059A2 4-azasterol derivatives, methods for the synthesis thereof and use of same as drugs
05/14/2008CN101177447A Novel technique for preparing tea saponin by solvent extraction and selectively separating integration
05/14/2008CN100387611C 16 alpha-bromosteroid compound and its synthesis method
05/07/2008EP1918295A2 Process and Intermediates
04/2008
04/30/2008CN101168558A Method for extracting saikosaponin from bupleurum root
04/30/2008CN101168555A Preparation of medicine and derivative thereof
04/16/2008CN100381457C 8beta-vinil-11beta-(¿¿mega-substitu¿¼do)alquil-estra-1 ,3,5(10)-trienos
04/15/2008CA2509366C Process for the preparation of pregnanes
04/09/2008EP1907380A2 Process to obtain synthetic and semi-synthetic lignan derivatives, their antiparasitic activities and corresponding pharmaceutical formulations, including the therapeutic method using said lignan for the treatment of parasitosis
04/09/2008CN100379754C Method of extraction of saponin by non-solvent microwave heat
03/2008
03/26/2008CN100377465C Intelligent serial cell charger and charging circuit block
03/25/2008CA2383505C A process for the preparation of 3-amino bile acid derivatives
03/25/2008CA2295455C Process for the preparation of mometasone furoate
03/12/2008CN101139380A Method for producing cholic acid by using bovine and sheep bile
03/12/2008CN100374458C 17aª‡-D-high valent alkyneestradiol-3-ethyl ester and its synthesis and preparation method, pharmaceutical composition using the said compound as active ingredient
02/2008
02/13/2008CN101121741A Method for preparing 20(R)-25-hydroxy-dammarane type-3beta,12beta,20-triol
02/06/2008CN101117347A Method for preparing 7-dehydrogenation cholesterol
01/2008
01/31/2008US20080027237 Processes for preparations of 9,11-epoxy steroids and intermediates useful therein
01/30/2008CN100365011C Process for producing asparagus saponin
01/17/2008US20080015367 Process for isolating phytosterols and tocopherols from deodorizer distillate
01/16/2008CN100362013C C22 carbanyl steroid compound, synthetic method and its use
01/08/2008CA2450661C Preparation of flumethasone and its 17-carboxyl androsten analogue
01/03/2008WO2008000068A1 Method for preparing 2-iodo triterpenoid compounds
01/02/2008CN100358914C Preparation of (11 'beta', 16 'beta')-21-(acetyloxy)-11-hydroxy-2'-methyl-5'H-pregna-1,4-dieno [17,16-D] oxazole-3,20-dione
01/02/2008CN100358913C C22 steroid compounds and their synthesizing method
12/2007
12/19/2007CN101089013A Furazano mestanolone refining process
12/19/2007CN100355772C Steroid compound with 5-alpha reductase active and preparation process thereof
12/18/2007CA2280081C Process for the preparation of stanol esters
12/18/2007CA2229960C Steroid compounds having contraceptive and anti-osteoporosis activity
12/12/2007CN101085801A Method for extracting and purifying bear total cholic acid from bear bile powder
12/12/2007CN101085716A Method for separating lanonol and lanolin fatty acid from lanolin saponified substrate
12/06/2007CA2667854A1 Tagging reagents and methods for hydroxylated compounds
11/2007
11/28/2007CN100351266C Preparation of (11 'beta',16 'beta')-21-(3-carboxy-3-oxopropoxy)-11-hydroxy-2'-methyl-5'H-pregna-1,4-dieno [17,16-D] oxazole-3,20-dione
11/21/2007EP1468983B1 Process for producing 2,5-bis(trifluoromethyl)nitrobenzene
11/21/2007CN101074257A Method for extracting cholesterine in lanosterol by supercritical CO2
11/13/2007CA2480004C Process for production of steroid crystals, crystals obtained thereby and their use in pharmaceutical preparations
10/2007
10/31/2007EP1437361B1 Method of producing 17beta-(substituted)-3-oxo-delta 1,2-4-azasteroids
10/30/2007CA2382106C Steroids, their preparation, pharmaceutical compositions thereof and uses of the compounds
10/25/2007CA2648537A1 Method for preparing 4-[17.beta.-methoxy-17.alpha.-methoxymethyl-3-oxoestra-4,9-dien-11.beta.-yl]benzaldehyde (e)-oxime (asoprisnil)
10/23/2007CA2478971C Androstenones
10/23/2007CA2449679C Androstenones
10/23/2007CA2263757C Method to obtain oestrogens from mare's urine
10/17/2007CN100343274C 14alpha, 17alpha oxo-bridge steroid compound, its synthesis and use
10/04/2007WO2006045171A3 Process for obtaining dry steroids derivative from ergostane
10/03/2007CN100340571C Process for extracting starfish steroid glycoside from starfish
09/2007
09/25/2007USRE39862 Unsaturated 14, 15-cyclopropanoandrostanes, a method for their production and pharmaceutical compositions containing these compounds
09/19/2007CN101037466A Steroid saponins and preparation method and application
09/19/2007CN101037465A Steroid saponins and preparation method and application
09/19/2007CN101037462A Triterpenoids compound separated from sunrecome and preparation method thereof
09/19/2007CN100338087C Process for the production of fluticasone propionate, in particular of polymorphic form 1
09/18/2007CA2236648C Sulfatation of estrogen mixtures
09/12/2007CN101033247A Method of extracting saponin from turmeric after separating starch and fiber
09/12/2007CN101033244A Method of purifying and preparing momordica grosvenori alcohol
09/11/2007CA2319176C Stable shaped particles of crystalline organic compounds
09/05/2007CN101029070A Preparation of omoto nippoulily saponin OSW-1
08/2007
08/14/2007CA2421302C 4-halogenated 17-methylene steroids, method for the production thereof and pharmaceutical compositions containing these compounds
08/09/2007US20070185108 Bicyclo[5.3.1]undecane-based; anticancer agents; alkylation; metathesis cyclization
08/08/2007CN101012264A Method of synthesizing pig ectohormone
08/07/2007CA2263904C Process to obtain oestrogens from mare's urine
07/2007
07/31/2007CA2264863C Process for r-epimer enrichment of 16,17-acetal derivatives of 21-acyloxy pregan-1,4-dien-11.beta.,16.alpha.,17.alpha.-triol-3,20-dione derivatives
07/26/2007WO2007009201A3 Process to obtain synthetic and semi-synthetic lignan derivatives, their antiparasitic activities and corresponding pharmaceutical formulations, including the therapeutic method using said lignan for the treatment of parasitosis
07/18/2007CN100999541A Synthesizing process of fluorine propionate ticasone
07/17/2007US7244856 Processes for recovering phytosterols via crystallization
07/12/2007WO2007076656A1 METHOD FOR SYNTHESIS OF CHOLEST-5-EN-3β,19-DIHYDROXY-24-ONE AND ITS DERIVATIVES
07/12/2007WO2007076655A1 METHOD FOR SYNTHESIS OF CHOLEST-3β,5α,6β,19-TETRAHYDROXY-24-ONE AND ITS DERIVATIVES
07/12/2007US20070161779 Estrogen Extraction From Pregnant Animal Urine
07/11/2007CN1325509C Extract of american ginseng fruit saponin, extracting and refining method and medicinal use thereof
07/04/2007CN1993376A Process for the preparation 2-substituted-derivatives of estrone and estradiol
07/03/2007CA2133607C Corticoid -17,21-dicarboxylic esters and corticosteroid 17-caboxylic esters 21-carbonic esters, processes for their preparation and pharmaceuticals containing these compounds
06/2007
06/20/2007CN1982328A Production of high-purity peiminine and fritimine
06/20/2007CN1982326A Production of multiple unsaturated fatty acid phytosterin ester
06/13/2007CN1978459A Compound Ananaside A, and its preparing method and anti-tumour use
06/13/2007CN1978457A Method for producing 6 alpha-methylprednisolone and its derivatives
06/12/2007CA2393758C Unsaturated 14,15-cyclopropano-androstanes
06/07/2007WO2007064144A1 Method for extracting sterol from soybean deodorizer sludge
05/2007
05/29/2007US7223882 Reacting 2-amido-alkoxycarbonyl-benzaldehyde compound with alkoxycarbonyl-phosphonate compound, in the presence of lithium hydroxide in an organic solvent, adding lithium hydroxide adding an acid to the solution to obtain triterpene derivative
05/15/2007CA2347345C Process for preparation of 7 alpha-carboxyl 9,11-epoxy steroids and intermediates useful therein and a general process for the epoxidation of olefinic double bonds
05/09/2007CN1958597A Triterpene saponin compound of cycro jackfruit alkyl, and effect for anti tumor
05/09/2007CN1958596A Method for extracting cholesterol from lanoline
05/03/2007US20070099876 Target directed chemotherapy of tumours of the sexual organs
05/02/2007CN1313480C Process
04/2007
04/25/2007EP1776378A1 Process for the preparation 2-substituted-derivatives of estrone and estradiol
04/25/2007EP1599233B1 Sterilization of beclomethasone drug particles for pulmonary delivery
04/25/2007CN1951951A Synthesis process of a pregnane compound
04/24/2007CA2182771C 11-(substituted phenyl)-estra-4,9-diene derivatives
04/18/2007CN1310940C Process for producing triterpene derivative
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