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WO/2012/059803 |
The present invention relates to the process for the preparation of estradiol valerate (I) which involves isolation of crystalline estradiol divalerate (III) by crystallization from an alcoholic solvent.
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WO/2012/059512 |
The invention relates to a method for obtaining and purifying phytosterols and/or tocopherols from distillation residue from a transesterification of vegetable oils, in particular from the vegetable oil-based fatty acid methyl ester prod...
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WO/2012/047495 |
This invention relates generally to methods for preparing certain bile acids from non-mammalian sourced starting materials as well as to synthetic bile acids and compositions comprising such acids wherein the acids are characterized by a...
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WO/2012/035553 |
Provided is a process for preparing androstenone derivatives, specifically 3-oxo-4-aza-5α-androstene-17β-carboxylic acid of Formula I, a key intermediate for dutasteride.
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WO/2012/023599 |
A process for producing a triterpene alcohol by carrying out the following steps (A)-(C) in this order: (A) hydrolyzing γ-oryzanol with an alkali; (B) mixing the resulting alkali hydrolysate with a low-polar organic solvent to extract t...
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WO/2012/022880 |
The present invention relates to a method for synthesizing steroids, as well as to intermediate products and steroids produced by said method. In particular, the method of the present invention enables glycolsylated or non-glycosylated p...
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WO/2012/020417 |
The present invention provides a process for the preparation of a compound of formula I wherein R1 represents a hydrogen atom, halogen atom, cyano group, hydroxyl group, straight or branched C1-C10 alkyl group, straight or branched C2-C1...
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WO/2011/112840 |
Provided herein is a method of preparing a composition of a phytosterol derivative comprising a phytosterol intermediate coupled to a water-soluble carrier. The method controls the molecular structure of the product, resulting in phytost...
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WO/2011/112840 |
Provided herein is a method of preparing a composition of a phytosterol derivative comprising a phytosterol intermediate coupled to a water-soluble carrier. The method controls the molecular structure of the product, resulting in phytost...
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WO/2011/011984 |
Sterol derivatives with structural formula I or II are disclosed, wherein R is defined as the description of the invention. Their synthesizing methods and anti-tumor use are also disclosed. Especially, the compound of formula I, in which...
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WO/2011/002090 |
Disclosed is a method for producing a fatty acid lower alkyl ester, glycerin, and steryl glucoside by subjecting a fat or oil containing steryl glucoside in a dissolved state and a lower alcohol to a transesterification reaction, thereby...
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WO/2011/000535 |
The invention relates to a method for producing drospirenone using 6, 7, 15, 16-dimethylene-androst-4-ene-3, 17-dione by means of alkylation with propanyl derivatives functionalized by oxygen in the 3' position or 2-(1-ethoxyethoxy)-but-...
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WO/2010/126308 |
The present invention relates to water-soluble sterol derivatives for lowering a cholesterol level and to a method for preparing same. The method for preparing water-soluble sterol derivatives according to the present invention enables p...
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WO/2010/126276 |
The present invention relates to water-soluble sterol derivatives for lowering a cholesterol level and a method for preparing same. The method for preparing water-soluble sterol derivatives according to the present invention enables phyt...
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WO/2010/126276 |
The present invention relates to water-soluble sterol derivatives for lowering a cholesterol level and a method for preparing same. The method for preparing water-soluble sterol derivatives according to the present invention enables phyt...
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WO/2010/126308 |
The present invention relates to water-soluble sterol derivatives for lowering a cholesterol level and to a method for preparing same. The method for preparing water-soluble sterol derivatives according to the present invention enables p...
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WO/2010/122405 |
The present invention provides a solution to the problem involved in over expression of chemical constituents in plants. It provides a method for attaining transformed plants with higher regeneration efficiency with the potential t over ...
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WO/2010/122405 |
The present invention provides a solution to the problem involved in over expression of chemical constituents in plants. It provides a method for attaining transformed plants with higher regeneration efficiency with the potential t over ...
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WO/2010/114320 |
The present invention relates to water-soluble sterol derivatives for lowering cholesterol levels and a method for producing the same. A method for producing water-soluble sterol derivatives for lowering cholesterol levels according to t...
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WO/2010/114320 |
The present invention relates to water-soluble sterol derivatives for lowering cholesterol levels and a method for producing the same. A method for producing water-soluble sterol derivatives for lowering cholesterol levels according to t...
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WO/2010/114339 |
The present invention relates to water-soluble sterol derivatives capable of lowering cholesterol levels and a preparation method thereof. The preparation method of water-soluble sterol derivatives according to the present invention comp...
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WO/2010/114339 |
The present invention relates to water-soluble sterol derivatives capable of lowering cholesterol levels and a preparation method thereof. The preparation method of water-soluble sterol derivatives according to the present invention comp...
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WO/2010/096928 |
Methods and devices for liquid-liquid extraction using digital microfluidic arrays are provided. A polar droplet is transported to a separation region containing a substantially non-polar solvent, where non-polar impurities may be extrac...
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WO/2009/133401 |
The invention provides a synthetic route from sarsasapogenin to timosaponin BII a related compounds. A diketone intermediate is provided, which can advantageously used for in situ assembly of complex sugar moieties of the desired glycone...
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WO/2009/129596 |
A process for extraction of bioactive organic compounds from alkali extracts of Ascophyllum nodosum. Organic solvent extracts of A. nodosum namely; methanol, chloroform and ethylacetate, were found to alleviate salt induced stress in pla...
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WO/2009/129596 |
A process for extraction of bioactive organic compounds from alkali extracts of Ascophyllum nodosum. Organic solvent extracts of A. nodosum namely; methanol, chloroform and ethylacetate, were found to alleviate salt induced stress in pla...
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WO/2009/113935 |
There is disclosed a method for isolation and purification of phytosterols from tall oil pitch comprising the steps of: a) contacting the tall oil pitch with a solvent to form a tall oil solvent mixture; b) separating the tall oil pitch ...
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WO/2009/093262 |
The present invention discloses modified process for preparing aromatase inhibitor Exemestane involving suitable oxidizing agents in suitable solvents.
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WO/2009/093262 |
The present invention discloses modified process for preparing aromatase inhibitor Exemestane involving suitable oxidizing agents in suitable solvents.
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WO/2009/074313 |
The present invention relates to a method for the aromatization of 19-nor-androst-4-en-3-ones (formula (II)) into estra-1,3,5(10)-trienes ((formula I))
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WO/2009/033499 |
The present invention relates to a total synthesis of desogestrel and derivatives thereof, and to intermediate compounds of this synthesis.
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WO/2008/148303 |
The composition containing cycloartenol ferulic acid ester and 24-methylenecycloaltanol ferulic acid ester as the active components and pharmaceutical preparation and application thereof are provided. The weight percent of the two active...
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WO/2008/136199 |
A process for producing a compound represented by the following formula (2): (2) (wherein R1 means hydrogen, methyl, or CH2OH; R2 means hydrogen or methyl; R3 means hydrogen or hydroxy; R4 means hydrogen or hydroxy; and R5 means hydroxy,...
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WO/2008/101308 |
The present invention relates to a process for producing 17-N-substituted-carbamoyl-4-aza-androst-1-en-3-ones of formula (1) , including Finasteride and Dutasteride.
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WO/2008/056059 |
The present invention pertains to the field of pharmacy, mainly to that of cytoprotection. The invention relates to a family of new chemical compounds, i.e. the 4- azacholest-4-ene N-oxide and certain derivatives thereof, to methods for ...
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WO/2008/056059 |
The present invention pertains to the field of pharmacy, mainly to that of cytoprotection. The invention relates to a family of new chemical compounds, i.e. the 4- azacholest-4-ene N-oxide and certain derivatives thereof, to methods for ...
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WO/2008/000068 |
The present invention relates to a new method of preparing 2-iodo triterpenoid and related compounds via the reaction of the corresponding 1 ene-3-ones in the presence of iodine and pyridine in an ether solvent. The method is particularl...
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WO/2007/076655 |
A synthesis process of cholest-3β,5α,6β,19-tetrahydroxy-24-one and its derivatives includes the steps of: synthesis of 3β-acetoxy-cholest-5-en-24-acid with hyodesoxycholic acid as the starting material; synthesis of cholenic acid chl...
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WO/2007/076656 |
A synthesis process of cholest-5-en-3β,19-dihydroxy-24-one and its derivatives includes the steps of: synthesis of 3β-acetoxy-cholest-5-en-24-acid with hyodesoxycholic acid as the starting material; synthesis of 3β-acetoxy-cholest-5-e...
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WO/2007/064144 |
Disclosed herein is a method for preparing sterols by extracting and purifying sterols from deodorizer sludge remaining after removal of tocopherols from soybean oils. The method comprises the steps of saponifying tocopherol-free soybean...
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WO/2007/009201 |
The invention refers to a process to obtain synthetic and semi-synthetic derivatives of lignans, especially dibenzylbutyrolactonic, tetrahydrofuranic, aryltetralynic, furofuranic and dibenzocyclooctanic lignans obtained by means of parti...
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WO/2007/009201 |
The invention refers to a process to obtain synthetic and semi-synthetic derivatives of lignans, especially dibenzylbutyrolactonic, tetrahydrofuranic, aryltetralynic, furofuranic and dibenzocyclooctanic lignans obtained by means of parti...
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WO/2006/077801 |
A method for preparing a compound represented by the formula (II): (II), which comprises reacting a compound represented by the formula (I): (I), wherein each of R1 and R1' is independently a lower alkyl optionally having a substituent a...
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WO/2006/045171 |
The present invention refers to a process to obtain ergostane derivative dry steroids, such as physalins, including steps of: (a) grinding of dried parts of plant (s) from the Solanaceae species; (b) treatment of the said plant (s)' part...
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WO/2006/045171 |
The present invention refers to a process to obtain ergostane derivative dry steroids, such as physalins, including steps of: (a) grinding of dried parts of plant (s) from the Solanaceae species; (b) treatment of the said plant (s)' part...
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WO/2006/013196 |
The invention provides a process for the preparation of 2- substituted-derivatives of estrone and estradiol comprising i) the preparation of a compound of general formula (II) by reacting a compound of general formula (I) in one or more ...
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WO/2006/005634 |
Crystalline polymorphic Forms A or B of 11β-[4-[5-[(4,4,5,5,5-pentafluoropentyl)suIfonyl]pentylox
y] phenyl]-estra-1,3,5(10)-triene-3,17β-diol, their preparation, use and the pharmaceutical compositions comprising Form B.
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WO/2005/121077 |
This invention provides a general method for the synthesis of polymer-supported benzoquinones described by the following generic structure I: wherein: •, X, R1, R2 and R3 are described in the main text. The general concept of the metho...
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WO/2005/113577 |
The present invention relates to a method for the preparation of trilostane from (4&agr ,5&agr ,17β)-4,5-epoxyandrost-2-eno(2,3-d)isoxazol-17-o1 as a precursor compound, the method comprising the steps of a) dissolving the precursor com...
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WO/2005/095437 |
Disclosed is a method for producing a steroid derivative represented by the formula (IV) below which is characterized by reacting a compound represented by the formula (I) below, a compound represented by the formula (II) below and carbo...
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