Patents
Patents for C07C 46 - Preparation of quinones (1,836)
11/2002
11/27/2002EP1259231A2 Naphthoquinone derivatives as cd45 inhibitors
11/19/2002US6482943 Quinones as disease therapies
11/14/2002WO2002090304A1 Stable solution of reduced coenzyme q
11/07/2002WO2001042243A3 Protein kinase inhibitors
10/2002
10/31/2002WO2002085829A1 Process for production of dimers of aromatic monohydroxyl compounds
10/31/2002US20020157965 Method of purification of a redox mediator before electrolytic regeneration thereof
10/24/2002US20020156302 Synthesis of coenzyme Q10, ubiquinone
10/22/2002US6468414 Oxidation of cerium iii to iv or chromium iii to vi in solution; heat evaporation followed by precipitation filtration to remove volatile and nonvolatile impurities respectively
10/21/2002WO2001068743A2 Porous polymer/carrier solid phase reactants, method for producing same and the use thereof
10/21/2002CA2406787A1 Porous polymer/carrier solid phase reactants, method for producing same and the use thereof
10/17/2002WO2002050007A3 Substituted stilbenes, their reactions and anticancer activity
10/16/2002CN1092632C Process for preparing refined 1,4-dihydroxyl anthraquinone
10/16/2002CN1092631C Easily dispersive anthraquinone and its production and application methods
10/10/2002WO2002079133A1 Process for preparation of 2-methyl-1,4-naphthoquinone
10/03/2002WO2002076916A1 Self-reducing anthraquinone compounds
10/03/2002US20020143198 Synthesis of TMBQ with transition metal-containing molecular sieve as catalysts
09/2002
09/12/2002WO2001045681A3 Naphthoquinone derivatives as cd45 inhibitors
09/10/2002US6448454 Catalytic oxidation of organic substrates by transition metal complexes in organic solvent media expanded by supercritical or subcritical carbon dioxide
09/04/2002CN1090156C Process for selective oxidation of compounds
09/04/2002CN1090155C Low thickenss antifragmentation plates
08/2002
08/29/2002WO2002066690A2 Method of purification of a redox mediator solution before electrolytic regeneration thereof
08/15/2002US20020110516 Synthesis of hydrogen peroxide
08/08/2002DE10104406A1 Verfahren zum katalytischen Erzeugen von organischen Stoffen durch partielle Oxidation A method for generating catalytic partial oxidation of organic matter by
07/2002
07/11/2002WO2002053552A1 Process for preparation of esculetin compounds, esculetin compounds and intermediates thereof, and use of both
07/11/2002WO2002053545A1 Process for preparation of aromatic halides from aromatic amines
07/11/2002CA2433578A1 Process for preparation of esculetin compounds, esculetin compounds and intermediates thereof, and use of both
07/09/2002US6417405 Synthesis of cyclopentadiene or substituted cyclopentadiene compounds
07/02/2002US6413902 Aging, crystallization
06/2002
06/27/2002WO2002050007A2 Substituted stilbenes, their reactions and anticancer activity
06/27/2002WO2002012158A3 Method for catalytically producing organic substances by partial oxidation
06/27/2002CA2432640A1 Substituted stilbenes, their reactions and anticancer activity
06/26/2002EP1216217A1 Method for brominating organic compounds
06/25/2002US6410798 Catalytic oxidation of a trimethylphenol
06/25/2002US6410473 Quasi crystalline inorganic oxide compositions prepared by neutral templating route
06/05/2002EP0909268B1 Method for preparing substituted anthraquinone and application to the preparation of rheins
06/05/2002EP0722319B1 Anthracyclinone derivatives and their use in amyloidosis
06/04/2002US6399795 Diels-alder reaction of 1,4-naphthoquinone and myrcene
05/2002
05/29/2002DE10057415A1 Production of omega dihalo and bromohydrin substituted quinone derivatives useful as intermediates and for bonding to nucleic acid oligomers
05/29/2002CN1085669C Pesticidal compounds
05/28/2002US6395439 Naphthoquinone derivative and electrophotosensitive material using the same
05/22/2002CN1349966A Extraction and purification process of general rhubarb anthraquinone and its application in preparing kidney hypofuction-treating medicine
05/21/2002US6391278 Catalytic applications of mesoporous metallosilicate molecular sieves and methods for their preparation
05/16/2002WO2001068743A3 Porous polymer/carrier solid phase reactants, method for producing same and the use thereof
05/02/2002WO2001087814A3 A process for the preparation of anthracycline derivatives
04/2002
04/25/2002US20020049317 Method for acylating cyclic compounds
04/17/2002CA2323342A1 Process for the preparation of 2,3,5-trimethyl-p-benzoquinone
04/02/2002US6365762 Method for catalytic and selective oxidation of aromatic compounds
03/2002
03/21/2002WO2001066461A8 Regeneration of a working solution in a hydrogen peroxide production process
03/21/2002US20020035280 Method for producing 2-(4-methyl-3-pentenyl)anthraquinone
03/20/2002EP0731078B1 Terpene-quinone with antitumor activity
03/13/2002EP1185493A1 Quinones for treatment of diseases
03/12/2002US6355815 Method of producing hydrogen peroxide and reaction promoters therefor
02/2002
02/21/2002WO2002014530A1 A practical, cost-effective synthesis of coq10
02/21/2002CA2418318A1 A practical, cost-effective synthesis of coq10
02/14/2002WO2002012158A2 Method for catalytically producing organic substances by partial oxidation
02/14/2002DE10038101A1 Verfahren zur Herstellung von 2-(4-Methyl-3-pentenyl)-anthrachinon A process for the preparation of 2- (4-methyl-3-pentenyl) -anthraquinone
02/13/2002CN1335293A Extraction process of effective rhubarb component, fast released Sanhuang prepn and its prepn process
02/06/2002EP1178032A1 Process for the preparation of 2-(4-methyl-3-pentenyl)-anthraquinone
02/05/2002US6344274 Low thickness antifragmentation plates
01/2002
01/29/2002US6342196 Comprises synthesizing analog of anthraquinone soluble in or miscible with carbon dioxide, reacting analog with hydrogen produces tetrahydroquinone, reacting with oxygen regenerates anthraquinone and produces hydrogen peroxide; solvent-free
01/24/2002WO2002006261A1 Tocotrienolquinone cyclisation product with an anti-hypercholesterol effect
01/24/2002DE10034233A1 Tocotrienolchinon-Cyclisierungsprodukte Tocotrienolquinone cyclization products
01/23/2002EP1174145A2 Extraction of active agents from plants
01/23/2002CN1332143A Gaseous oxidation and liquid-solid extraction process in a low-temperature short fluidized bed to prepare 1,4-naphthaquinone
01/03/2002US20020002308 Synthesis of 4-ketocyclopentene and cyclopentadiene compounds
01/03/2002US20020002169 Protein kinase inhibitors
01/02/2002EP0801639B1 Method for preparing substituted anthraquinones and use thereof for preparing rheins
01/01/2002CA2024849C 4-hydroxytetrahydropyran-2-ones and the corresponding dihydroxycarboxylic acid derivatives, salts and esters, process for their preparation, their use as pharmaceuticals, and pharmaceutical preparations and precursors
12/2001
12/05/2001EP1159245A1 Synthesis of 4-ketocyclopentene and cyclopentadiene compounds
11/2001
11/28/2001CN1324325A Method for preparing a MEL-type titanium silicalite, resulting product and uses in catalysis
11/22/2001WO2001087814A2 A process for the preparation of anthracycline derivatives
11/15/2001US20010041804 Catalytic oxidation of a trimethylphenol
11/14/2001EP0686613B1 Ozonide reducing agent
11/14/2001CN1074756C Distillation procss for improving yield of pure products from crude anthracene
10/2001
10/31/2001EP0876356B1 Use of tricyclic 1,4-dihydro-1,4-dioxo-1h-naphthalene derivatives, resulting novel compounds and therapeutical use thereof
10/31/2001CN1319582A Process for preparing 2,3,5-trimethyl-p-benzoquinone
10/30/2001US6310256 Synthesis of 4-ketocyclopentene compounds
10/18/2001WO2001077052A1 Catalytic oxidation of organic substrates by transition metal complexes in organic solvent media expanded by supercritical or subcritical carbon dioxide
10/18/2001CA2394014A1 Catalytic oxidation of organic substrates by transition metal complexes in organic solvent media expanded by supercritical or subcritical carbon dioxide
10/10/2001CN1316550A Indirect electrochemical synthetic using cerous as medium
09/2001
09/27/2001DE10012615A1 Polymer/support solid phase reactants, useful for a range of organic reactions and purification processes comprise funtionalized polymer particles in the pores of a porous support
09/20/2001WO2001068579A1 Method for producing 1,1' binaphthalenylidene-4,4'-diones
09/13/2001WO2001066461A1 Regeneration of a working solution in a hydrogen peroxide production process
09/13/2001DE10011405A1 Verfahren zur Herstellung von 2,3,5-Trimethyl-p-benzochinon A process for the preparation of 2,3,5-trimethyl-p-benzoquinone
09/12/2001EP1132367A1 Process for the preparation of 2,3,5-trimethyl-p-benzoquinone
09/12/2001EP1131264A1 Method for preparing a mel-type titanium silicalite, resulting product and uses in catalysis
09/09/2001CA2339614A1 A process for the preparation of 2,3,5-trimethyl-p-benzoquinone
08/2001
08/09/2001DE10003493A1 Preparing complexes of cyclodextrin and coenzyme Q10, are useful for treating cardiac or degenerative diseases, by homogenizing starting materials with an input of energy
08/02/2001WO2001054730A1 METHOD FOR PRODUCING A COENZYME Q10 / η-CYCLODEXTRIN COMPLEX
07/2001
07/17/2001US6262311 Process for the preparation of 2,3,5-trimethyl-p-benzoquinone
07/17/2001US6262095 Use of tricyclic derivatives of 1,4-dihydro-1,4-dioxo-1H-naphthalene, novel compounds obtained and their application in theraphy
07/05/2001US20010007045 Comprises synthesizing analog of anthraquinone soluble in or miscible with carbon dioxide, reacting analog with hydrogen produces tetrahydroquinone, reacting with oxygen regenerates anthraquinone and produces hydrogen peroxide; solvent-free
06/2001
06/28/2001WO2001045681A2 Naphthoquinone derivatives as cd45 inhibitors
06/14/2001WO2001042243A2 Protein kinase inhibitors
05/2001
05/29/2001US6238671 Process for the gentle recovery of extract fractions from hypericum, pharmaceutical preparations containing the same and their use
05/23/2001CN1296461A Method for producing hydrogen peroxide and reaction carriers for carring out the method
05/08/2001US6229048 Helianthrone derivatives as anti-cancer agents
05/02/2001CN1293182A Method of preparing 2,3,5-frimethyl-p-benzoquinone
04/2001
04/19/2001WO2001026485A1 Method for the production of vitaminized and hydrosoluble vitaminized preparations
04/19/2001DE19949795A1 Verfahren zur Herstellung von 2,3,5-Trimethyl-p-benzochinon A process for the preparation of 2,3,5-trimethyl-p-benzoquinone
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