Patents
Patents for C07J 63 - Steroids in which the cyclopenta[a]hydrophenanthrene skeleton has been modified by expansion of only one ring by one or two atoms (2,707)
01/2013
01/23/2013CN102887935A Method for extracting suaveolic acid A
01/23/2013CN102321145B Method for decoloring crude tea saporin
01/23/2013CN101830948B Method for preparing tea saponin by using tea seed degreased dreg
01/22/2013CA2683522C 17alpha-substituted steroids as systemic antiandrogens and selective androgen receptor modulators
01/16/2013CN102875634A Crystal forms of 2-cyano-3, 12-dioxooleana-1, 9(11)-diene-28-oic acid methyl ester
01/16/2013CN102875633A Betulonic acid ester derivative and preparation method and application thereof
01/16/2013CN102875632A Ursolic acid ester derivatives and preparation methods and applications thereof
01/16/2013CN102875631A Method for extracting tea saponin from tea-seed pancake
01/16/2013CN102875630A Piperazine derivative of oleanolic acid, preparation method and application of piperazine derivative
01/16/2013CN102872168A Preparation method of ilicin A and total triterpenoids contained in Hainan holly leaf and application of ilicin A and total triterpenoids
01/16/2013CN101830965B Method for catalyzing and hydrolyzing natural nucleoside compound by metal ion
01/09/2013CN102863500A Method for preparing putranoside A from Deeringia amaranthoides L. Merrill
01/08/2013CA2673226C Method of preparation and isolation of betulin diacetate from birch bark from paper mills and its optional processing to betulin
01/08/2013CA2611435C Novel triterpenic acid derivative and preparation for external application for skin comprising the same
01/03/2013WO2013001890A1 Soyasapogenol composition
01/02/2013CN102028042B Method and equipment for preparing tea seed oil from tea seeds and extracting tea polyphenol from byproduct tea seed cake
01/02/2013CN101392016B Method for preparing high-purity soybean saponin A and B
12/2012
12/26/2012CN102839046A Process for synchronously extracting grease and products with high added values through grinding and n-butyl alcohol
12/26/2012CN102838652A Oleanolic acid derivative with function of resisting malignant tumor, as well as preparation method and applications of oleanolic acid derivative
12/26/2012CN102838651A Oleanolic acid derivatives, and preparation method and application thereof
12/26/2012CN102838650A Method of extracting dustanin from Moelleriella ochracea
12/26/2012CN101983965B Method of finely extracting ursolic acid from haw
12/26/2012CN101948501B Preparation method of hydroxyl asiaticoside
12/20/2012WO2012171377A1 Crystal forms of asiatic acid trometamol salt and preparation methods thereof
12/19/2012CN102827242A Purification method of acutoside A
12/19/2012CN102827241A Method for extracting betulinic acid from persimmon leaves
12/19/2012CN102827240A Method for extracting and separating thorn leaf pink glycosides A
12/19/2012CN102827239A Method for extracting asprellic acid A
12/19/2012CN102827238A Method for extracting remangilone A
12/19/2012CN102827237A Crystal forms of asiatic acid tromethamine salt and preparation methods thereof
12/19/2012CN102134268B Method for preparing panax japonicus saponin IVa and application of panax japonicus saponin IVa in preparing a medicament for protecting liver and lowering transaminase
12/19/2012CN102030804B Method for preparing theasapogenol
12/05/2012CN202569611U Tea saponin vacuum concentration device
12/05/2012CN102807597A Microwave tea saponin extraction process
12/05/2012CN102805750A Composition of aescine derivative and salt thereof, preparation method and medical uses thereof
12/05/2012CN102304165B Method for extracting and purifying glycyrrhizic acid by ion-exchange fibers
12/05/2012CN102260315B Ursolic acid derivatives with anticancer activity and preparation method thereof
12/05/2012CN102030807B Theasapogenol derivative with anti-HIV (Human Immunodeficiency Virus) activity, preparation method and application thereof
12/05/2012CN101817867B Method for preparing glycyrrhetinic acid
11/2012
11/29/2012WO2012160250A2 Method for treating birch bark and the use of the product
11/28/2012CN102796162A Method for extracting xanthoceras sorbifolia bunge husk saponins
11/28/2012CN102793761A Windflower extract, preparation method and application thereof
11/28/2012CN101985459B Process for extracting greater than or equal to 98% of ursolic acid from loquat leaf
11/28/2012CN101974065B Method for extracting not less than 98% of oleanolic acid from glossy privet fruit
11/21/2012CN102786574A Glycyrrhetinic acid crystal A substance, its preparation method, and its applications in medicines and healthcare products
11/21/2012CN102786573A Glycyrrhetinic acid crystal B substance, its preparation method, and its applications in medicines and healthcare products
11/21/2012CN102329362B Ursolic acid derivative chemically modified by polyethylene glycol and preparation method of ursolic acid derivative
11/21/2012CN102178688B Preparation method of ivy saponins ingredient and application of the ingredient to resisting tumors
11/21/2012CN102093462B Preparation method and application of 1alpha, 2alpha-dyhydroxyl oleanolic acid
11/21/2012CN101962396B Method for preparing tea saponin from oil tea cakes, tea seed meal, tea seed oil cakes
11/21/2012CN101899083B Preparation method of cyclocarya paliurus acid A
11/14/2012CN102775463A Method for extracting high-purity betulin from birch bark
11/14/2012CN102127142B Ilicis routundae cortex derivants and application thereof in preparing medicament capable of resisting tumors
11/14/2012CN102101877B Method for separating gonane and hopane from crude oil or rock extract
11/08/2012WO2012083112A3 C- 17 -heteroaryl steroidal compounds as inhibitors of cyp11b, cyp17, and/or cyp21
11/07/2012CN102766189A Method for extracting betulinic acid from dogwood kernel
11/07/2012CN102276682B Method for extracting ursolic acid from loquat leaves
10/2012
10/31/2012CN102030810B Gallic acid tea sapogenol ester as well as preparation method and application thereof
10/31/2012CN102030803B Theasaponin derivative as well as preparation method and application thereof
10/31/2012CN101395171B Steroidal compounds as steroid sulphatase inhibitors
10/24/2012EP2514759A1 Triterpene derivative, and prophylactic or therapeutic agent for chronic hepatitis c
10/24/2012CN102746939A Method for extracting tea saponin and tea seed oil with mixed solvent
10/24/2012CN102746366A Method for extracting tea saponin from camellia oleifera cake
10/24/2012CN102746365A Scalarane type sesterterpene and preparation method thereof, and application of Scalarane type sesterterpene as marine antifouling agent
10/24/2012CN102746364A Scalarane type sesterterpene and preparation method thereof, and application of Scalarane type sesterterpene as algae inhibiting agent
10/24/2012CN102746363A High purity aescine B bulk drug, its preparation method and medical application
10/24/2012CN102276678B Method for preparing glycyrrhetinic acid
10/24/2012CN101899082B Triterpenoid saponin compound, application and preparation method
10/17/2012CN102731608A Preparation method of tea saponin ester succinate surfactant and product thereof
10/17/2012CN102731607A Extraction and purification method of high-purity theasaponin
10/17/2012CN102731606A Method for extracting corosolic acid from globeflower
10/17/2012CN102304164B Senegenin derivative, as well as preparation method and application thereof
10/17/2012CN102093459B Penthorum chinense pursh extract and preparation method and application thereof
10/17/2012CN102093458B Method for enriching and purifying betulin in birch barks
10/17/2012CN101906129B Method for separating purified saponin
10/17/2012CN101747402B Method for enriching and purifying malol in sedum kamtschaticum
10/10/2012CN1662251B Adjuvant enhanced immunotherapy
10/10/2012CN102719491A Fermentation and refining method for sapindus mukurossi saponin extract
10/10/2012CN102718830A Synthetic method of glycyrrhetinic acid ester derivative
10/10/2012CN102191124B Method for extracting tea-seed oil and tea saponin by using biological method
10/10/2012CN102093457B Method for extracting corosolic acid from loguat leaf
10/10/2012CN102002087B Method for preparing bryonia alcohol acid
10/03/2012CN202460189U Improved betulin extraction equipment
10/03/2012CN202460187U Betulinol extraction device
10/03/2012CN102702299A Preparation method of hederagenin
10/03/2012CN102702298A Glycyrrhetinic acid derivative and preparation method and medical application thereof
10/03/2012CN102180937B Method for preparing enriched and refined akebin D with macroporous absorption resin
10/03/2012CN102010458B Preparation method for horse chestnut hemolysis escin Ib
10/03/2012CN102002090B Preparation method of Ombuoside H
10/03/2012CN101974063B Method for preparing camellia saponin B2
10/03/2012CN101974062B Method for extracting tea saponin from tea seed meal
10/03/2012CN101914127B Preparation method of high-purity DDMP soybean saponin monomer
09/2012
09/27/2012WO2012126363A1 Amorphous asiatic tromethamine salt and preparation method thereof
09/26/2012CN102690320A Process for extracting tea cake protein and tea cake tea saponin in one time
09/26/2012CN102690317A Derivant of 30-halogenated betulinic acid and preparation method and application thereof
09/26/2012CN102690316A Preparation method of glycyrrhetinic acid derivative and medical application thereof in serving as liver-protective medicament
09/26/2012CN102690315A Oleanolic acid oxime ester derivate, preparation method and application thereof
09/26/2012CN102690314A Amorphous asiatic acid tromethamine salt and its preparation method
09/26/2012CN102391352B Amino acid derivatives of rotundic acid and application of derivatives in preparation of antitumor medicines
09/26/2012CN102351938B Preparation method of high-purity tea saponin
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