Patents
Patents for C07J 75 - Processes for the preparation of steroids, in general (1,657)
10/2009
10/14/2009CN100549024C Method for preparing steroid muscular relaxant and analogue thereof
09/2009
09/24/2009US20090240049 Purification of air sensitive steroids
09/17/2009WO2009113935A1 Recovery of phytosterols from residual vegetable oil streams
09/17/2009WO2009093262A3 Process for preparing aromatase inhibitor exemestane
09/17/2009CA2717956A1 Recovery of phytosterols from residual vegetable oil streams
09/09/2009CN101525367A Method for extracting phytosterin from plant pitch
09/02/2009CN101519420A Method for preparing high-purity pristimerin by high-speed countercurrent chromatography
08/2009
08/12/2009CN101503454A Compound for preparing cholic acid conjugate, preparation and use thereof
08/12/2009CN100526329C Production of high-purity peiminine and fritimine
08/05/2009CN101497641A Method for synthesizing delta 24(28) cholesterol compounds
08/05/2009CN100522982C Production process for extracting tea saponin from tea-oil tree cake by using water as dissoluent
08/04/2009CA2523369C Process for preparing guggulsterones and guggulsterol
07/2009
07/30/2009WO2009093262A2 Process for preparing aromatase inhibitor exemestane
07/08/2009EP1622926B1 Novel method and intermediates for the preparation of 19-nor-steroids-17-halogen compounds
06/2009
06/18/2009WO2009074313A1 Method for the aromatization of 19-nor-androst-4-en-3-ones into estra-1,3,5(10)-trienes
06/18/2009US20090156843 Process for aromatizing 19-norandrost-4-en-3-ones to estra-1,3,5(10)-trienes
06/18/2009CA2707597A1 Process for aromatizing 19-norandrost-4-en-3-ones to estra-1,3,5(10)-trienes
06/16/2009CA2369977C Method for producing phytosterols from reduced quantities of methanol by crystallization
06/09/2009CA2512508C Process for preparing guggulsterones
05/2009
05/28/2009US20090136566 Therapeutic triterpenoids
05/27/2009CN101440112A Steroid compound and use thereof
05/27/2009CN100491393C Steroid saponins and preparation method and application
05/26/2009CA2454675C 17alfa, 21-dihydroxypregnene esters as antiandrogenic agents
05/21/2009US20090131698 Method For Obtaining Conjugated Estrogen Mixtures From Pregnant Mare Urine and Use of a Macroporus Resin in the Method
05/20/2009EP1208113B1 17beta-acyl-alpha-propynyl-11beta-(cyclic amino)aryl steroids and their derivatives having antagonist hormonal properties
05/20/2009CN101434639A Green technological process for preparing sterol fatty acid ester
05/06/2009CN100484952C Method for producing high-purity chenodeoxy cholic acid from poultry and livestock bile
04/2009
04/29/2009CN100482675C Method of synthesizing pig ectohormone
04/29/2009CN100482239C Method and device for concentrating and stabilising conjugated oestrogens from the urine of mares
04/28/2009US7524833 Adsorbent silica gel-containing cartridges are loaded at the site of urine collection and effluent urine is left behind; fully loaded cartridges are collected and transported off-site for processing
04/22/2009CN101412745A Improved process for extracting sterol from vegetable oil asphalt
03/2009
03/24/2009CA2288361C Process for preparing natural product derivatives from plants in a single step
03/19/2009WO2009033499A1 Total synthesis of enantiopure desogestrel
03/18/2009CN101386637A Method for refining cholesterin by activated carbon fixed bed adsorption process
03/11/2009CN101381398A Supercritical extraction method of soybean phytosterol material by CO2
03/11/2009CN101381397A Microwave extraction method of steroid saponin from puncturevine
03/03/2009CA2349780C Improved method for the production of sterols from tall oil
02/2009
02/18/2009CN101367843A Method for separating heteroside from tea saponin liquid to purify glucose and triterpene
02/17/2009CA2348223C Process for the preparation of fluorosteroids
01/2009
01/14/2009CN100451030C Process of preparing ganoderma tricterpinyl acid and ganoderma polyose from ganoderma
01/08/2009US20090012319 Process for the preparation 2-substituted-derivatives of estrone and estradiol
01/08/2009US20090012014 Compound, Composition and a Process Thereof
01/06/2009CA2113819C Novel glycoside compounds and production and use thereof
12/2008
12/31/2008CA2677195A1 Industrial method for the synthesis of 17-acetoxy-11.beta.-[4-(dimethylamino)-phenyl]-21-methoxy-19-norpregna-4,9-dien-3,20-dione and the key intermediates of the process
12/17/2008CN100443495C Triterpene saponin compound of cycro jackfruit alkyl, and effect for anti tumor
12/16/2008CA2327714C Preparation of 4,4-dimethyl-5.alpha.-cholesta-8,14,24-triene-3.beta.-o1 and novel intermediate compounds
12/11/2008WO2008148303A1 A composition for treating vegetative dystonine syndrome and pharmaceutical preparation and application thereof
12/11/2008DE102007026636A1 Verfahren zur Herstellung von 17α-Acetoxy-6-methylenpregn-4-en-3,20-dion, Medroxyprogesteronacetat und Megestrolacetat Process for preparing 17α-acetoxy-6-methylenpregn-4-ene-3,20-dione, medroxyprogesterone acetate and megestrol acetate
12/10/2008CN101318988A Sterol extracted from crude glycerine and extracting method thereof
12/03/2008EP1383787B1 Sapogenin derivatives, their synthesis and use
12/03/2008CN101314611A Method for high-stereoselectivity preparation of 3 alpha or 7 alpha-methyl steroids
11/2008
11/26/2008CN100436475C Process for synthesizing cholester-5-ylene-3bata-hydroxy-24-one and derivative
11/26/2008CN100436474C Process for synthesizing cholester-3 bata, 5 alpha, 6 bata, 19-tetrahydroxy-24-one and derivative
11/26/2008CN100436473C Momertasone furoate intermediate 21-ester and its prepn
11/13/2008WO2008136199A1 Process for producing withanolide
11/12/2008CN100432095C Waste-water-free production method for diosgenin
11/11/2008US7449572 Reducing compound such as 3,3-ethylenedioxyestra-5(10), 9(11)-dien-17-ol, halogenating, epoxidation, alkylation, deprotecting, aromatization, saponification, neutralization to obtain compound such as 11-beta-(4-(2-(1-piperidinyl)ethoxy)phenyl)-17-alpha-fluoroestra-1,3,5(10)-trien-3-ol
11/05/2008CN201144201Y Highly-effective energy-saving saponin extracting device
10/2008
10/29/2008EP1613581B1 Process for obtaining fatty acid alkyl esters, rosin acids and sterols from crude tall oil
10/29/2008CN100429222C Synthesis process of a pregnane compound
10/22/2008CN101289492A Process for separating sterane and hopane form mother oil or rock extract by 13X molecular sieve
10/22/2008CN101289491A Process for separating sterane and hopane form mother oil or rock extract by 10X molecular sieve
10/22/2008CN101289490A Process for separating sterides form satisfied hydrocarbon components by MOY molecular sieve
10/22/2008CN101289489A Process for separating sterides form satisfied hydrocarbon components by REUSY molecular sieve
10/21/2008US7439235 Solid phase extraction; contacting with adsorption resin
10/01/2008CN100422206C Method for obtaining a natural mixture of conjugated equine estrogens
10/01/2008CN100422205C Method for preparing oleanolic acid from wrinkled papaya
09/2008
09/24/2008CN101270141A Method for separating 24-dehydrogenation cholesterol and cholesterol
09/18/2008US20080227760 Using gradient salting-out instead of conventional silica gel chromatography enables convenient performance and mass production; preventing and treating dementia, depression, and peripheral circulation disorder
09/17/2008CN100419031C Production of beet red coloring matter jointed phytolaccic saponin from phytolaccic berry
09/10/2008CN101260138A Highly effective separation purification method for polygalic acid and tenuigenin
09/03/2008CN101255344A Method for co-production of bio-diesel and vitamin E, phytosterol by using plant oil
09/03/2008CN101255185A Method for preparing brassin lactones
09/03/2008CN101255183A Method for extracting protodioscin from semen trigonellae
09/03/2008CN101255182A Extraction separating method for bupleurum root saponin b2
09/03/2008CN100415766C Method for purifying liquorice enoxolone
08/2008
08/28/2008WO2008101308A1 Process for the preparation of 17-n-substituted-carbamoyl-4-aza-androst-1 -en-3-ones
08/28/2008US20080207931 Solid-Phase Extraction Method of Steroid Hormones by Entrapped Beta-Cyclodextrin Polymers
08/28/2008US20080206820 activated ester of the carboxyl-containing compound (carboxylic acid) is reacted with H217O or H218O in the presence of an activator; labelled amino acid
08/20/2008CN101245093A Fine purification method for sterol
08/20/2008CN101245092A Novel antineoplastic compound Ananaside C in thelenota ananas
08/20/2008CN101245091A Novel antineoplastic compound Ananaside B in thelenota ananas
08/14/2008US20080194678 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
08/13/2008CN101240004A Technique for preparing eleutheroside B
08/13/2008CN100410271C Compound with anti-tumor activity and its preparing method
08/13/2008CN100410270C Synthesis method of cholesterol-5-olefin-3 beta,19-dihydroxy-24-ketone and derivative
08/06/2008EP1644400B1 Sterol recovering method
08/06/2008EP1328538B1 Process and intermediates for the production of 7-substituted antiestrogens
08/06/2008CN101235073A Method for extracting phytosterol from bamboo or timber
08/06/2008CN101235067A Process for preparing plant sterol ester
08/06/2008CN100408593C Cholest compound, synthetic method and its use
08/05/2008CA2272721C Stereoselective synthesis of 24-hydroxylated compounds useful for the preparation of aminosterols, vitamin d analogs, and other compounds
07/2008
07/30/2008CN101230084A Chemical synthesis method of methylprednisolone
07/30/2008CN100406467C Method for preparing total saponins from theroots of platycodon grandiflorum utilizing weak polarity macroreticular resin and its use
07/23/2008CN101225099A Method for preparing compound containing 2,3-or3,4-double-bond steroid
07/16/2008CN101220074A Method for extracting bile acid from animal bile
07/09/2008CN101215312A Environment friendly synthesis method for 3alpha,5-cyclo-5alpha-stigmast-6-one
07/09/2008CN101215311A Method for producing ursodesoxycholic acid from 86% of chenodeoxycholic acid
07/09/2008CN101215310A Method for producing ursodesoxycholic acid from 98.0% of cholic acid of cattle and sheep
07/09/2008CN101215309A Method for producing chenodeoxycholic acid from 98% of cholic acid of cattle and sheep
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