A new process for the preparation of 16 beta -methyl-steroids of the formulaI and novel intermediates therefor which compounds are intermediates for betamethasone.
4
99803608
S-Substituted 11 The invention relates to S-substituted 11 beta-benzaldoxime-estra-4,9-diene-carbonic acid thiolesters of general formula(I)and the pharmaceutically acceptable salts thereof. The invention...
5
99100882
Preparation of sterol and dihydro-sterol ester The present invention provides a method for the direct esterification of stanols and sterols with fatty acids to form stanol/sterol-esters. The method provides a synthetic route that is a...
New saponin compound and its preparation method and application
The present invention relates to a new saponin compound, its preparation method and application in preparation of medicine for curing diabetes. Said new saponin compound possesses the fu...
11
99100721
New saponin compound and its preparation method and application
The present invention relates to a new saponin compound, its preparation method and application in preparation of medicine for curing diabetes. Said new saonin compound possesses the fun...
Solid dispersion containing sialic acid derivative The invention provides a medicine which contains a sialic acid derivative represented by formula (I) and is excellent in solubility and absorbability. It is a solid dispersion comprising ...
Testosterone derivative The invention is the novel androgen (7alpha,17beta)-7-methyl-17-[(1-oxoundecyl)oxy]estr-4en-3one (MENT undecanoate). This compound distinguishes favourably from other testosterone derivat...
Meiosis regulating compounds Certain novel sterol derivatives can be used for regulating the meiosis in oocytes and in male germ cells.
24
99109887
Medicine containing ginsenoside Rh1 and its new application
The present invention discloses the medicine of ginsenoside Rh1 and its new medical usage, including antitumor action, promoting THP-1 cell to generate TNF alpha and raising IL-8.
25
99109983
Extraction process of Dioscorea oppositas saponine
After gasoline is added to Dioscorea saponin material, the mixture is first reflux heated at a fixed reflux speed for 2 hr and the soaked gasoline is then exhausted once every other hal...
Meiosis regulating compound This invention relates to certain novel sterol derivatives having no hydroxy group in the 3 position can be used to regulate the meiosis in oocytes and in male germ cells.
Caryophyllin acid sodium and application in pharmacy thereof
The present invention relates to a salt of pentacyclic triterpenoid-caryophyllin acid sodium, and adopts a simple and convenient method to prepare high-purity product. Said compound poss...
Process for preparing dieneketonol acetate
A process for preparing dieneketonol acetate features use of hydrogen peroxide as oxidant and dioscin as raw material. Its advantages are gentle reaction condition, easy control of react...
Preparation of steriod esters The present invention provides a method for the direct esterification of stanols and sterols with catalyst, which can be acidic or basic, in the presence of a color deactivating agent to ...
Method for preparing quasi-ginsenoside P11
The preparation method of pseudoginsenoside F11, suitable for industrial production, adopts the following steps: using water (or dilute alcohol) to extract American ginseng stem and leaf...
Phytostrin and/or phytosteroidal alkanol derivative Phytosterol and/or phytostanol esters with polyunsaturated fatty acids having from 18 to 22 carbon atoms and at least three carbon-carbon double bonds are effective in reducing both serum...
44
99124380
Preparation of furoic acid momisone Mometasone 17- furoate is made by direct esterification of the 17- hydroxyl group of mometasone using 2-furoyl chloride in the presence of a tertiary amine and an inert solvent, without p...
45
99124036
Supercritical fluid extraction method of high-purity sterol
The preparation method of refined high-purity sterol by utilizing supercritical fluid is characterized by using by-product obtained in the course of processing vegetable oil as raw mater...
Blood pool agents for nuclear magnetic resonance diagnostics
The use of the complexes of the compounds of general formula (I) with paramagnetic bi-trivalent metal ions selected from the group consisting of Fe<(2 )>, Fe<(3 )>, Cu<(2 )>, Cr<(3 )>, G...
49
99802796
Serine carbonates Serine carbonates of formula I are precursors for organoleptic compounds, masking agents and antimicrobial agents. Further they are alternative substrates for malodor producing enzymes. T...
16-hydroxyestratrienes as selective estrogens The invention relates to novel compounds as pharmaceutical agents which have in vitro a higher affinity to estrogen receptor preparations of the rat prostate than to estrogen receptor pre...
Double metal cyanide catalysts for producing polyether polyols The invention provides new double metal cyanide (DMC) catalysts for preparing polyetherpolyols by the polyaddition of alkylene oxides to starter compounds which contain active hydrogen at...
Pharmaceutical compound Steroidal compounds or their salts having general formulas (I) and (II) wherein: s is an integer equal to 1 or 2, preferably s = 2; b0 = 0 or 1; A = R-, wherein R is the steroidal drug ra...
65
200610151685
Pharmaceutical compounds Steroidal compounds or their salts having general formulas (I) and (II) wherein: s is an integer equal to 1 or 2, preferably s=2: bO 0 or 1; A=R-, wherein R is the steroidal drug radical,...
Steroid derivatives Steroid derivatives of this invention interact with nuclear liver X receptor (LXR) and ubiquitous receptor (UR) and can be used to treat a variety of LXR- or UR-mediated disorders.
70
00807262
Fluorination in liquid or supercritical carbon dioxide A method of fluorinating a substance comprises providing a reaction mixture comprising a liquid or supercritical carbon dioxide reaction medium, a first reactant, and a second reactant, w...
Method of extracting ergosterol from waste mycelium
The present invention extracts ergosterol by using waste mycelium of penicillin, citric acid or lactic acid fermentation as material and through cell breaking, extraction, crystallizatio...
Extraction of gensenoside
The extraction process of gensenoside includes the following technological steps: soaking and decocting material with water as initial solvent, filtering to obtain filtrate, depressing c...
79
00121595
Chemical synthesis of echinocystic saponin derivative
A process for synthesizing the echinocystic saponin derivative which has potential medical value includes synthesizing the steroid saponin of glucose and linking trisaccharide to it. Sai...
80
00810310
Orally active androgens Novel, orally active androgens are 7alpha-substituted DELTA14-nandrolone derivatives. The compounds satisfy the general formula (1): wherein R1 is O, (H,H), (H,OR), NOR, with R being hydr...
Brain cell or nerve cell protecting agents comprising ginseng
Medicinal compositions and preparations for administration comprising ginseng, which is useful as a cell protecting agent and a remedy for nerve trauma, its extract, ginseng components, ...
Process for preparation of bile acid derivatives A process for the preparation of the compounds of general formula (I)in whichR1 is H or OH;R2 is H, alpha-OH, or beta-OH; andR3 is a straight or branched C1-C4 alkyl group or a benzyl gro...
86
00819602
Skin tissue regeneration prmoters comprising ginsenoside Rb1 Efficacious intravenous preparations, skin preparations for external use, mucosal preparations for external use or cosmetics comprising ginsenosides, in particular, ginsenoside Rb1 or its...
5-hydroxysapogenin derivatives with anti-dementia activity The invention discloses the use of 5-hydroxysapogenin derivatives in the treatment of cognitive disfunction and similar conditions. Methods of treatment and pharmaceutical composition are...
Novel fusidic acid derivatives Novel 17,20-dihydrofusidic acid derivatives (Ia) are used in pharmaceutical compositions for the treatment of infections, in particular in topical compositions for the treatment of skin o...
92
00123074
Process for preparing rare-sinsenoside
A process for preparing rare ginsenoside includes such steps as dissolving the saponin monomer of ginsenosides Rb, Rb2, Rb3, Rc, Rd, Re, or Rf, or their mixture in the solvent prepared f...
