Patents for C07C 50 - Quinones (2,441)
07/2008
07/30/2008CN101233095A Method of purifying ubiquinone-10
07/23/2008CN101225037A Method for synthesizing antitumor derivative apogossypolone by using gossypol acetate
07/23/2008CN100404489C Method for extracting hypericin
07/23/2008CN100404488C A process for synthesis of coenzyme Q10
07/16/2008CN101219942A Method for extraction separation of total anthraquinone compounds
07/16/2008CN100402543C Preparation method of hyperin and hypericin of Hypericum perforatum
06/2008
06/25/2008CN101205176A Optimum process for extracting anthraquinone components from rhubarb horsetails by cell ultrasonication
06/25/2008CN100396656C Process for preparing pentaptycene p-benzodiquinone
06/03/2008CA2298820C The use of 1,3,4,6-tetrahydroxy-helianthrone and its derivatives in photodynamic therapy and certain such novel derivatives
05/2008
05/28/2008CN101186567A Method for preparing 2,2'-dimethyl-1,1'-bianthraquinone
05/21/2008CN101182290A Shikonin dimethyl ether 6-site side chain isomer as well as derivatives and synthesis method thereof
05/07/2008EP1918270A1 Method of purifying ubiquinone-10
04/2008
04/30/2008EP1915333A1 Process for the preparation of ubihydroquinones and ubiquinones
04/24/2008US20080093985 Material for organic electroluminescent device and organic electroluminescent device using the same
04/23/2008CN100383102C Method for synthesizing Q#-[10] by side chain coupling extension method
04/16/2008EP1910263A2 Novel intermediates useful for the preparation of coenzymes, process for the preparation of novel intermediates and an improved process for the preparation of coenzymes
04/08/2008US7355055 Novel benzoquinone-derived compounds, polymorphs, prodrugs and isomers; obesity, hyperlipidemia, hypercholesterolemia, hypertriglyceridemia, pancreatitis, diabetes, atherosclerosis, cardiovascular diseases, metabolic syndromes, metabolic disorders; 2,5-bis-(phenylcarbonyloxy)-3-undecyl-1,4-benzoquinone
04/02/2008CN101153030A Polysubstitution hydrogenated naphthalene compounds, producing method and uses of the same
03/2008
03/26/2008CN101148403A Synthesis method for coenzyme Q compounds
03/18/2008US7345301 Mixtures of matrix materials and organic semiconductors capable of emission, use of the same and electronic components containing said mixtures
03/13/2008US20080061287 High mobility, solubility, oxidation resistance; transistor; drain electrodes
03/12/2008CN101139274A Method for synthesizing coenzyme Q10 by olefin metathetical reaction
03/12/2008CN101139273A Method for separating and purifying anthraquinone
03/12/2008CN101139272A Method for synthesizing vitamin K2
03/12/2008CN101139271A Novel process for producing p-benzoquinone
02/2008
02/27/2008CN101129521A Effective component of hedyotis diffusa and method of preparing the same and application
02/27/2008CN100370976C Medicine containing shikonin compound as active component
02/21/2008US20080045681 Accelerated organoborane amine complex initiated polymerizable compositions
02/20/2008CN101125808A Anthraquinone and preparation method for derivative thereof
02/14/2008US20080039642 Practical, Cost-Effective Synthesis of Chloromethylated 1, 4-Benzoquinones
02/13/2008CN101121651A One-step addition technique for vitamin K3
01/2008
01/31/2008US20080027141 1,3-Dihydroxyl-9,10-anthraquinone and 3-[(3-amino)-propoxy]- 9,10-anthraquinone derivatives and pharmaceutical compositions comprising the same
01/30/2008CN101113132A Method for preparing high-purity hypocrellin B
01/30/2008CN101113131A Method for preparing 2,3,5-trimethylbenzene quinone
01/24/2008US20080021095 Small Molecule Antagonists of Xiap Family Proteins
01/23/2008CN101111465A Method for producing pure or enriched Q 10 coenzyme
01/23/2008CN101108795A 1-propylene oxygen basis-4-hydroxyanthraquinone-9, 10-diketone and method of preparing the same and application thereof
01/10/2008US20080009625 6,13-bis(triisopropylsilylethynyl)pentacene, use in in various electronic devices and in a formulation for ink jet printing and in an organic field effect transistors
01/10/2008US20080008930 Ionic Liquid
12/2007
12/26/2007CN101092340A Method for synthesizing producets in vitamin K2 series
12/19/2007EP1865942A2 Novel inhibitors of glutathione-s-transferase
12/13/2007US20070287672 Macromolecular Gsh-Activiated Glyoxylase I Inhibitors
12/12/2007EP1864129A1 Doxorubicin immunoassay
12/06/2007WO2007078679A3 Practical, cost-effective synthesis of ubiquinones
12/05/2007CN101081809A Method for circulating utilization of reclaimed pyrolusite powder in benzoquinone manufacturing technique
12/04/2007US7304170 Reacting quinizarin, leucoquinizarin, and amine-alcohol compound, optionally oxidizing, then reacting with ring-opening compound; improved amine/base stability and thermal stability, low extraction rates, and high lightfastness on surface of polyurethane substrates; chromogens; materials handling
12/04/2007US7304093 Ketone compounds and compositions for cholesterol management and related uses
11/2007
11/28/2007CN100351220C Purifying method of crude rhein
11/22/2007WO2007004091A3 Novel intermediates useful for the preparation of coenzymes, process for the preparation of novel intermediates and an improved process for the preparation of coenzymes
11/14/2007CN101070279A Process for preparing 2-methyl-1,4-naphthaquinoue using 2-methyl-naphthalene
11/08/2007WO2007125919A1 Aromatic compound and sulfonated polyarylene polymer
11/08/2007US20070260076 Efficient and inexpensive method to prepare ubiquinone precursors using benzenoid precursor with retention of the double bond stereochemistry; industrial scale
11/08/2007CA2650417A1 Aromatic compound and sulfonated polyarylene polymer
11/07/2007CN100347226C Novel polymeric blue anthraquinone-derivative colorants
11/07/2007CN100347141C Preparation method of 2,3-dichlor-1,4-naphthaquinones
10/2007
10/24/2007CN101061085A A practical, cost-effective synthesis of chloromethylated 1,4-benzoquinones
10/18/2007WO2007116750A1 Material for organic electroluminescent device and organic electroluminescent device using the same
10/10/2007CN101050170A New type natural active compound for anti tumor, preparation method, and application
10/10/2007CN100341834C Process for preparing vitamin K3 by extraction method
09/2007
09/27/2007US20070225261 Side-chain variants of redox-active therapeutics for treatment of mitochondrial diseases and other conditions and modulation of energy biomarkers
09/20/2007WO2007104242A1 Compounds capable of inhibiting zinc ion metalloproteinases
09/19/2007EP1556325A4 Anthraquinone quencher dyes, their methods of preparation and use
09/19/2007CN101037447A Metal complex using plumbagin as ligand, synthesizing method and usage thereof
09/18/2007US7270700 Aqueous dibenzo[def,mno]-chrysene-6,12-diones; high water and ozone resistances, photostability and colorfastness; photographic quality prints
09/12/2007CN101033178A Improved method of synthesizing emodin
09/12/2007CN100336792C Total synthesis method for preparing receme alkannin
09/11/2007US7268162 Aloe-emodin derivatives and their use in the treatment of neoplasias
09/07/2007WO2006097472A3 Novel inhibitors of glutathione-s-transferase
09/06/2007US20070208086 Ubiquinone analogs and methods of use
09/05/2007EP1828091A1 Method for producing pure or enriched q 10 coenzyme
09/05/2007CN101029003A Method for synthesizing vitamin k solanine
08/2007
08/30/2007US20070203217 Substituted stilbenes and their reactions
08/29/2007EP1824467A2 Apogossypolone and the uses thereof
08/07/2007US7253207 Quinones as disease therapies
08/01/2007CN101007755A Process for preparing anthraquinone
07/2007
07/25/2007CN101003501A Method for synthesizing coenzyme Q10 in high efficiency
07/18/2007CN100999452A Method of synthesizing seratrodast
07/12/2007WO2007078679A2 Practical, cost-effective synthesis of ubiquinones
07/12/2007CA2633259A1 Practical, cost-effective synthesis of ubiquinones
07/05/2007WO2007073651A1 4,5-seco abieta diterpene quinones, preparation and use thereof
07/05/2007US20070155704 t-Butyl 1-[9-[1-(tert-butoxycarbonyl)cyclopropyl]-5-oxononyl]-1-cyclopropanecarboxylate; Alzheimer's Disease, Syndrome X, peroxisome proliferator activated receptor-related disorders, septicemia, thrombotic disorders, obesity, pancreatitis, hypertension, renal disease, cancer, inflammation, impotence
07/04/2007CN1990448A 4, 5 ring-opening diterpene quinone compounds, production method and use thereof
06/2007
06/28/2007US20070149615 Ketone compounds and compositions for cholesterol management and related uses
06/27/2007CN1986513A Preparing process of 2,3,5-trimethyl benzoquinone
06/20/2007CN1321965C Anthraquinone derivative and its synthesis method
06/13/2007CN1980858A Molten salts, method of their production and process for generating hydrogen peroxide
06/07/2007US20070128135 Use of benzoquinones in agents for oxidative treatment of hair and method and agent for permanent hair shaping
06/06/2007CN1974519A Decompression gas stripping process
05/2007
05/31/2007DE102005058270B3 Preparing carbo- or hetero- cyclicaromatic compound, useful as organic semiconductors, comprises reacting dione compound with e.g. borontrifluoride, reacting unreacted reducing agents with acid derivative and isolating the product
05/23/2007CN1317253C Process for hydrogenation of alkyl anthraquinone by using magnetically stabilized bed
05/22/2007US7220784 Substituted stilbenes and their reactions
05/16/2007CN1962596A Ketone compounds and compositions for cholesterol management and related uses
05/16/2007CN1315768C Synthesis method of 2-alkyl anthraquinone
05/09/2007EP1781589A2 Synthesis of idarubin aglycone
05/09/2007CN1960959A Practical, cost-effective synthesis of ubiquinones
05/09/2007CN1314650C Synthesis method of coenzyme Q kind compound
05/08/2007US7214713 Supplement with anticancer properties with fermentation of carbohydrates with biosynthesis of Penicillum
05/03/2007WO2007026041A3 Compuestos quinónicos antitumorales y sus derivados, procedimiento de obtención y sus aplicaciones
05/02/2007EP1408952B1 Napthoquinone derivatives as inhibitors of tau aggregation for the treatment of alzheimer's and related neurodegenerative disorders
05/02/2007CN1313434C Darr reaction process of quinone derivative composition to produce free radical and its application
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 ... 25