Patents
Patents for C07J 75 - Processes for the preparation of steroids, in general (1,657)
06/2013
06/26/2013EP2607371A1 Processes for the preparation of abiraterone and related compouds
06/20/2013WO2013030410A3 Synthesis of abiraterone and related compounds
06/20/2013US20130157988 Substituted androst-4-ene diones
06/12/2013CN103141251A Application of natural brassinolide to hot pepper
06/12/2013CN102250181B Polyhydroxy steroid compounds and purpose thereof
06/05/2013CN101830770B Method for extracting squalene from vegetable oil deodorized distillate
05/2013
05/30/2013WO2013076257A1 Process for the preparation of sterol derivatives
05/30/2013WO2013076118A1 Process for the preparation of drospirenone
05/30/2013CA2856609A1 Process for the preparation of sterol derivatives
05/30/2013CA2856324A1 Process for the preparation of drospirenone
05/29/2013EP2597101A1 Process for the preparation of drospirenone
05/29/2013CN103122020A Method for preparing phytostanol ester under solvent-free condition
05/23/2013US20130131359 Processes and intermediates for preparing steric compounds
05/16/2013US20130123523 Methods for the preparation of etonogestrel and desogestrel
05/10/2013WO2013063859A1 Ulipristal acetate preparation method and intermediate thereof
05/10/2013CA2851399A1 Ulipristal acetate preparation method and intermediate thereof
05/01/2013CN103080124A Process for production of triterpene alcohol
05/01/2013CN103074165A Continuous ester interchange reaction method and reactor in production process of natural vitamin E and phytosterin
04/2013
04/18/2013WO2013053691A1 Process for preparing 17-substituted steroids
04/18/2013CA2851330A1 Process for preparing 17-substituted steroids
04/17/2013CN103045664A Method for producing biodiesel, sterol and vitamin E from deodorized distillate
04/11/2013WO2013050553A1 Process for the production of estetrol
04/11/2013WO2012174229A3 Methods for the synthesis and purification of deoxycholic acid
04/11/2013US20130090468 Methanesulfonate salts of abiraterone-3-esters and recovery of salts of abirater one-3-esters from solution in methyl tert-butyl ether
04/11/2013CA2847813A1 Process for the production of estetrol
04/10/2013CN103030678A Method for preparing rare ginsenoside from malonyl ginsenoside
04/03/2013CN103012547A Phosphorylated lanolin alcohol ester and application thereof
03/2013
03/28/2013WO2013040706A1 Method, apparatus and kit for the extraction of lipid-soluble compounds
03/28/2013US20130078358 Stigmasterol-rich phytosterol composition and use
03/27/2013CN102250187B Glycyrrhetinic acid derivate and preparation method thereof
03/21/2013US20130072698 Method and Compounds for the Preparation of Monofluoromethylated Biologically Active Organic Compounds
03/20/2013CN102977179A Method for extracting hydroxy group or/and carboxyl group contained natural compounds
03/14/2013US20130066087 Methods for preparing 17-alkynyl-7-hydroxy steroids and related compounds-2
03/07/2013WO2013030410A2 Synthesis of abiraterone and related compounds
03/07/2013US20130059804 Synthesis of compounds useful as modulators of amyloid-beta production
02/2013
02/28/2013US20130053586 Novel Ecdysterone Synthesis Derivative, Preparation Method and Use Thereof
02/27/2013CN102250198B Method for extracting phytosterol from stems of dragon fruits
02/27/2013CN102190697B Ultrasonic-assisted extraction and graded purification method for asparagus saponin
02/20/2013CN102936275A Method for separating and purifying impurities in sodium tanshinone IIA sulfonate crude drug
02/13/2013CN102924559A Smilax sapogenin derivative and preparation and applications thereof
02/13/2013CN101775059B Novel glycyrrhetinic acid derivative, and preparation method and medicinal uses thereof
02/06/2013CN102911238A Method for preparing C20 position dehydroxylation dammarane type rare ginsenoside and aglycone thereof
01/2013
01/30/2013CN102898496A Preparation method for oleanolic acid type saponin
01/30/2013CN102898491A Preparation technology for extracting phytosterols from rice bran crude oil
01/24/2013WO2013012328A1 Process for the preparation of estetrol
01/24/2013CA2842035A1 Process for the preparation of estetrol
01/17/2013US20130018022 Pharmaceutical composition including a testis extract as an active ingredient for treating and preventing anemia
01/16/2013EP2545065A2 Water-soluble phytosterol derivatives for reducing cholesterol and preparation thereof
01/16/2013CN102875632A Ursolic acid ester derivatives and preparation methods and applications thereof
01/16/2013CN102875630A Piperazine derivative of oleanolic acid, preparation method and application of piperazine derivative
01/16/2013CN101830965B Method for catalyzing and hydrolyzing natural nucleoside compound by metal ion
01/09/2013CN102863504A Method for extracting trichilin B, trichilin D and trichilin H from melia
01/03/2013WO2013001322A1 PROCESS FOR THE SYNTHESIS OF (5α,17β)-N-[(2,5-BIS(TRIFLUOROMETHYL)-PHENYL]-3-OXO-4-AZA-5-ANDROST-1-ENE-17-CARBOXAMIDE
01/02/2013CN101885752B Method for converting and synthesizing saponin through adventitious root system culture of Chinese thorowax root
12/2012
12/20/2012WO2012174229A2 Methods for the synthesis and purification of deoxycholic acid
12/13/2012US20120316341 Fluorination of organic compounds
12/13/2012US20120316333 Preparation method of drospirenone
12/06/2012WO2012164095A1 Process for the production of estetrol intermediates
12/06/2012US20120309947 Method and system for continuous separation and purification of ginsenosides
12/06/2012US20120309729 Barrier composition
12/06/2012CA2835979A1 Process for the production of estetrol intermediates
12/05/2012CN102807547A New process for extracting vitamin E and sterol from soybean oil deodorization distillate
11/2012
11/22/2012US20120296105 Crystalline anhydrate forms of a pharmaceutical
11/14/2012CN102286065B Novel abietane-type diterpene derivative as well as preparation method and application thereof
11/14/2012CN102101877B Method for separating gonane and hopane from crude oil or rock extract
11/07/2012CN102766127A System and method for continuously preparing natural vitamin E and phytosterol by thermal coupling
11/07/2012CN102372762B Novel technology for synthesizing pregnene 11-site beta-hydroxy
11/01/2012WO2012147090A1 Novel process for quaternization of (2p,3a,5a,16p,17p)-2,16-bispiperidino-3,17-diacetoxy-5-androstane
10/2012
10/24/2012CN102746370A Novel technology for oxosynthesis of pregnane 11-bit ketonic group
10/24/2012CN102746369A Novel technology for synthesizing pregnane 21-bit iodide by nitrite
10/17/2012CN102731609A Method for efficiently synthesizing solamargine
10/17/2012CN101906129B Method for separating purified saponin
10/10/2012CN102718830A Synthetic method of glycyrrhetinic acid ester derivative
10/10/2012CN102718626A Method for preparing lanolin alcohol and wool acid barium from lanolin
10/03/2012CN101942008B Process for extracting phytosterol from papermaking wood pulp oil slick pitch
09/2012
09/05/2012CN1935820B Method for preparing total saponin of sapindusmukerossi
09/05/2012CN101942006B Hydroxyl group/keto group synchronous derivatization method of endocrine disturbing chemicals in steroid environment
09/05/2012CN101899081B Synthetic method of glycyrrhetinic acid ester derivative and deoxyglycyrrhetinic acid ester compound
08/2012
08/23/2012WO2012110947A1 An improved process for preparation of levonorgestrel
08/23/2012WO2012110010A1 Pregnanolone derivatives substituted in 3alpha-position with the cationic group, method of their production, usage and pharmaceutical preparation involving them
08/23/2012US20120214775 Pharmaceutical Salts of 3-O-(3',3'-Dimethylsuccinyl) Betulinic Acid
08/22/2012CN102030805B Theasapogenol derivative with anti-tumour activity and preparing method and application thereof
08/15/2012CN102633854A Method for preparing single plant sterol oxides
08/14/2012CA2542515C Estrogen extraction from pregnant animal urine
08/09/2012WO2012047495A3 Methods for preparing synthetic bile acids and compositions comprising the same
08/07/2012CA2516598C Process for obtaining fatty acid alkyl esters, rosin acids and sterols from crude tall oil
08/01/2012CN102617700A Preparation method of phytostanol ester by taking ionic liquid as catalyst
08/01/2012CN101891797B Method for preparing steroide compound 17-alpha ester
07/2012
07/25/2012CN102603846A Preparation method of phytosterol in ionic liquid
07/25/2012CN102603845A Method for synthesizing and separating phytosterol saturated fatty acid esters and phytosterol unsaturated fatty acid esters
07/25/2012CN101942007B Method for extracting phytosterol from waste residues generated in biodiesel production and product thereof
07/18/2012CN102584932A Preparation method of phytosterol stearate
07/18/2012CN102584931A Method for preparing unsaturated fatty acid plant sterol ester using alpha-linolenic acid as main component
07/18/2012CN101643495B Method for extracting plant sterol from fatty acid or methyl ester pitch from distillate
07/12/2012WO2012022880A3 Method for synthesizing steroids
07/11/2012CN102558283A Method for extracting tomatidine from tomato branches and leaves
07/11/2012CN101985460B Method for preparing phytosterol ester
07/11/2012CN101235073B Method for extracting phytosterol from bamboo or timber
07/10/2012CA2573133C Process for the preparation 2-substituted-derivatives of estrone and estradiol
07/04/2012CN102532249A 1-chloro tanshinone compound and preparation method thereof
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