Patents
Patents for C07C 46 - Preparation of quinones (1,836)
07/2006
07/12/2006CN1800133A Preparation method of extracting hemostatic substance 1,3-dihydroxyanthraquinone from India madder charcoal
07/12/2006CN1263447C Stable solution of reduced coenzyme Q
07/06/2006WO2006069658A1 Method for producing pure or enriched q 10 coenzyme
07/06/2006CA2601332A1 Method for producing pure or enriched q 10 coenzyme
06/2006
06/28/2006CN1793100A Process for synthesizing cozymase Q10
06/28/2006CN1261401C 2,3-dimethoxy-5-methyl-1,4-benzoquinone ú¿ó±ú®preparation method
06/21/2006CN1788845A Regeneration method of catalyst for synthesizing 2-alkyl anthraqunone and anthraqunone
06/15/2006WO2006008752A8 Novel polymorphs of atovaquone and process of preparation thereof
06/14/2006CN1259232C Method for producing hydrogen peroxide and working solution for preparing hydrogen peroxide
06/07/2006CN1781895A Process for preparing ubiquinone
06/07/2006CN1258525C Process for purifying coenzyme Q10 intermediate
05/2006
05/31/2006CN1257878C Pterocarya stenoptera quinone, its preparation and use
05/31/2006CN1257877C Process for preparing alkannin or isoalkannin
05/25/2006US20060111575 Non-routine reactor shutdown method
05/17/2006EP1373180B1 Process for preparation of 2-methyl-1,4-naphthoquinone
05/17/2006EP1073607B1 Method for producing hydrogen peroxide and reaction carriers for carrying out the method
05/04/2006WO2006045548A2 Process for the synthesis of ethylene-bis(p-methylenequinones) and corresponding butadiene phenols
05/02/2006US7038065 Partial oxidation of feedstock in the presence of oxygen, in one or more series connected reactors which constitues a cooling tube reactor with cooling tube for flowing coolant, and a catalyst is deposited as coating on outside the tube
05/02/2006US7037912 Enzyme inhibitor contains two or more ligand moieties comprising pyrimidinyl groups covalently linked together by linking groups; keratitis, diabetic retinopathy, angiogenesis, vision defects, ischemia, atherosclerosis,psoriasis, cancer, cirrhosis, diabetes, arthritis, autoimmune disease
04/2006
04/26/2006CN1762960A Method of producing reduced coenzyme q10 as oily product
04/26/2006CN1762959A Method for purifying coenzymeQ10
04/26/2006CN1762958A Method for improving coenzymeQ10 synthesis yield
04/13/2006WO2006024016A3 Synthesis of idarubin aglycone
04/13/2006DE10260549B4 Verfahren zur Herstellung von Anthrachinon A process for the preparation of anthraquinone
04/06/2006WO2005123644A3 Method for producing 2-methyl-1,4-naphthoquinone
03/2006
03/02/2006WO2006024016A2 Synthesis of idarubin aglycone
03/02/2006US20060047108 Synthesis of idarubicin aglycone
03/02/2006CA2576677A1 Synthesis of idarubin aglycone
02/2006
02/15/2006CN1733679A Method of extracting anthraquinone analog compound from traditional Chinese medicine cassia seed
02/15/2006CN1733678A Preparation method of 2,3-dichlor-1,4-naphthaquinones
02/08/2006EP1379703B1 Method of purification of a redox mediator solution before electrolytic regeneration thereof
01/2006
01/26/2006WO2006008752A1 Novel polymorphs of atovaquone and process of preparation thereof
01/26/2006CA2549871A1 Novel polymorphs of atovaquone and process of preparation thereof
01/25/2006CN1724501A Anthraquinone derivative and its synthesis method
01/12/2006DE102004030793A1 Verfahren zur Herstellung von 2-Methyl-1,4-Naphthochinon A process for the preparation of 2-methyl-1,4-naphthoquinone
01/11/2006EP1613580A1 Method for preparing hydroquinones from mixtures of bromophenols and benzoquinones
12/2005
12/29/2005WO2005123644A2 Method for producing 2-methyl-1,4-naphthoquinone
12/20/2005US6977270 Tocotrienolquinone cyclization product with an anti-hypercholesterol effect
12/15/2005WO2005118520A1 Method for preparing rhodomycinone derivatives
12/14/2005EP1268383A4 Catalytic oxidation of organic substrates by transition metal complexes in organic solvent media expanded by supercritical or subcritical carbon dioxide
12/01/2005WO2005113478A2 Novel anthraquinones and process for the preparation and method of use thereof
12/01/2005US20050267307 Novel anthraquinones and process for the preparation and method of use thereof
11/2005
11/24/2005US20050261318 Protein kinase inhibitors
11/23/2005CN1228299C Process of extracting anthraquinone matter from aerial powtion of rheum officinale plant
11/18/2005CA2467599A1 Compounds comprising a linear series of five fused carbon rings, and preparation thereof
11/16/2005EP1309537B1 Method for catalytically producing organic substances by partial oxidation
11/02/2005EP1282590B1 A process for the preparation of anthracycline derivatives
10/2005
10/26/2005EP1328654A4 A practical, cost-effective synthesis of coq10
10/20/2005WO2005097092A1 Compound with vitamin k activity, particularly as additive for feeds, and preparation of the compound
10/20/2005US20050233165 Anthracene derivatives and organic electroluminescent devices made by using the same
10/19/2005CN1683305A Method for closed-ring synthesizing anthraquinone from o-benzoylbenzoic acid
10/12/2005CN1679406A Compound with vitamin k activity, particularly as additive for feeds, and preparation of the compound
09/2005
09/28/2005CN1675148A Anthracene derivatives and organic electroluminescent devices made by using the same
09/20/2005US6946061 Regeneration of a working solution in a hydrogen peroxide production process
09/15/2005WO2005056812A3 Practical, cost-effective synthesis of ubiquinones
09/13/2005US6943257 Low cost, minimizing environmental pollution, halogenation in presence of halodimethylsulfonium halide prepared in situ from halohydric acid and dimethylsulfoxide, as activated nucleophilic agent, one-pot process, bromination
09/06/2005US6939896 Naphthalenedione derivatives; treating autoimmune diseases and organ graft rejection
08/2005
08/17/2005CN1215033C Process for preparing hypericum perforatum extract
08/17/2005CN1215032C Process for preparing extract containing hypericin and flavon compounds
08/10/2005CN1651387A Synthesis method of coenzyme Q kind compound
08/10/2005CN1651386A Synthesis method of 2-alkyl anthraquinone
08/10/2005CN1213981C Gaseous oxidation and liquid-solid extraction process in low-temperature short fluidized bed to prepare, 1,4-naphthaquinone
07/2005
07/20/2005EP1185493B1 Quinones for treatment of diseases
07/14/2005WO2005063669A1 Processes for preparing benzoquinones and hydroquinones
07/14/2005WO2005063664A1 Process for conversion of phenol to hydroquinone and quinones
07/14/2005WO2005042445A3 Fluorinated pentacene derivatives and processes for producing these
07/07/2005US20050148675 Efficient and inexpensive method to prepare ubiquinone precursors using benzenoid precursor with retention of the double bond stereochemistry; industrial scale; carbolumination of alkynes
07/06/2005CN1634840A Method for synthesizing Q#-[10] by side chain coupling extension method
06/2005
06/23/2005WO2005056812A2 Practical, cost-effective synthesis of ubiquinones
06/23/2005US20050137410 A 1-alkyl, 3,4-dialkyloxy, 5-protected hydroxy, 6-leaving group-methylbenzene, chemical intermediate; efficient and simplified synthesis of Coenzyme Q10 by reacting a metal complex of a hydrocarbon of n number of isoprenyl groups with a quinone analogue of the benzene compound describd above
06/23/2005US20050137409 Processes for preparing benzoquinones and hydroquinones
06/23/2005US20050137380 Oxidizing an aromatic hydroxy compound with an oxidizing agent in a biphasic solvent system in the presence of a transition metal hydroxy phosphate catalyst to produce a corresponding hydroquinone compound
06/23/2005DE10137401B4 Synthese von TMBQ mit Übergangsmetall beinhaltendem Molekularsieb als Katalysator Synthesis of TMBQ beinhaltendem with transition metal molecular sieve catalyst
06/23/2005CA2548250A1 Practical, cost-effective synthesis of ubiquinones
06/22/2005CN1629119A Process for preparing alkannin or isoalkannin
06/22/2005CN1629118A Process for oxidation preparation of 1, 4-naphthoquinone in solid phase oxidation tower by naphthalene method
06/15/2005CN1628088A Novel 3-aryl-2,5-dihydroxy-1,4-benzoquinone derivatives, their preparation method and pharmaceutical compositions containing same
05/2005
05/25/2005EP1533289A1 Anthracene derivatives and organic electroluminescent devices made by using the same
05/25/2005EP1259231B1 Naphthoquinone derivatives as cd45 inhibitors
05/25/2005CN1618783A Preparation method of multisubstituted benzoquinone
05/12/2005WO2005042445A2 Fluorinated pentacene derivatives and processes for producing these
05/11/2005CN1200699C Anthracyclinone derivatives and their use in amyloidosis
05/10/2005US6891072 Process for production of dimers or aromatic monohydroxyl compounds
04/2005
04/21/2005US20050085644 Antidiabetic agents; insulin resistance
04/20/2005CN1607199A Preparation technology of L-alkannin
03/2005
03/31/2005US20050070744 Catalytic oxidation using titanium superoxide
03/30/2005CN1194956C Treating medicine for kidney hypofuction
03/29/2005US6872857 Catalytic oxidation using titanium superoxide
03/23/2005CN1193974C Method for catalystically producing organic substances by partial oxidation
03/22/2005US6869652 Porous polymer/carrier solid phase reactants, method for producing same and the use thereof
03/16/2005CN1594261A Preparation method of high purity physcion and chrysophanol
03/16/2005CN1594260A Process for purifying coenzyme Q10 intermediate
03/01/2005US6861447 Method for producing a coenzyme Q10/γ-cyclodextrin complex
02/2005
02/08/2005US6852895 Oxidation of a phenol compound
01/2005
01/26/2005CN1569793A Pterocarya stenoptera quinone, its preparation and use
01/20/2005WO2005005040A1 Heat exchanger and reactor comprising said type of heat exchanger
01/18/2005US6844455 Process for the preparation of anthracycline derivatives
01/13/2005US20050010060 Novel quinones as disease therapies
12/2004
12/29/2004CN1181855C Preparing method of hypericum perforatum extract
12/22/2004CN1556087A Preparation method of high purity alkannaphtha quinone
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