| Patents for C07C 46 - Preparation of quinones (1,836) |
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| 03/12/2008 | CN101139274A Method for synthesizing coenzyme Q10 by olefin metathetical reaction |
| 03/12/2008 | CN101139273A Method for separating and purifying anthraquinone |
| 03/12/2008 | CN101139272A Method for synthesizing vitamin K2 |
| 03/12/2008 | CN101139271A Novel process for producing p-benzoquinone |
| 02/27/2008 | CN101129521A Effective component of hedyotis diffusa and method of preparing the same and application |
| 02/20/2008 | CN101125808A Anthraquinone and preparation method for derivative thereof |
| 02/13/2008 | CN101121651A One-step addition technique for vitamin K3 |
| 01/30/2008 | CN101113132A Method for preparing high-purity hypocrellin B |
| 01/30/2008 | CN101113131A Method for preparing 2,3,5-trimethylbenzene quinone |
| 01/23/2008 | CN101111465A Method for producing pure or enriched Q 10 coenzyme |
| 01/23/2008 | CN101108795A 1-propylene oxygen basis-4-hydroxyanthraquinone-9, 10-diketone and method of preparing the same and application thereof |
| 12/27/2007 | WO2007147775A1 Process for synthesis of aromatic compounds |
| 12/26/2007 | CN101092340A Method for synthesizing producets in vitamin K2 series |
| 12/05/2007 | CN101081809A Method for circulating utilization of reclaimed pyrolusite powder in benzoquinone manufacturing technique |
| 11/28/2007 | CN101078019A Method for producing coenzyme Q10 by enzyme engineering method |
| 11/28/2007 | CN100351220C Purifying method of crude rhein |
| 11/22/2007 | DE202004021361U1 Wärmetauscher und Reaktor mit einem derartigen Wärmetauscher Heat exchanger and reactor with such a heat exchanger |
| 11/15/2007 | WO2007129269A2 Novel intermediates, process for their preparation and process for the preparation of coq10 employing the said novel intermediates |
| 11/15/2007 | WO2007129268A2 Improved process for the synthesis of coq10 |
| 11/14/2007 | CN101070279A Process for preparing 2-methyl-1,4-naphthaquinoue using 2-methyl-naphthalene |
| 11/08/2007 | US20070260076 Efficient and inexpensive method to prepare ubiquinone precursors using benzenoid precursor with retention of the double bond stereochemistry; industrial scale |
| 11/07/2007 | CN100347141C Preparation method of 2,3-dichlor-1,4-naphthaquinones |
| 10/25/2007 | WO2007022979A3 Mediator systems for the electrochemical reduction of organic compounds in an aqueous solution |
| 10/10/2007 | CN101050170A New type natural active compound for anti tumor, preparation method, and application |
| 10/10/2007 | CN100341834C Process for preparing vitamin K3 by extraction method |
| 09/18/2007 | US7271302 Method for brominating organic compounds |
| 09/12/2007 | CN101033178A Improved method of synthesizing emodin |
| 09/12/2007 | CN100336792C Total synthesis method for preparing receme alkannin |
| 09/05/2007 | EP1828091A1 Method for producing pure or enriched q 10 coenzyme |
| 09/05/2007 | CN101029003A Method for synthesizing vitamin k solanine |
| 08/30/2007 | US20070203217 Substituted stilbenes and their reactions |
| 08/07/2007 | US7253207 Quinones as disease therapies |
| 08/01/2007 | CN101007755A Process for preparing anthraquinone |
| 07/25/2007 | CN101003501A Method for synthesizing coenzyme Q10 in high efficiency |
| 07/18/2007 | CN100999452A Method of synthesizing seratrodast |
| 07/05/2007 | WO2007073651A1 4,5-seco abieta diterpene quinones, preparation and use thereof |
| 07/04/2007 | CN1990448A 4, 5 ring-opening diterpene quinone compounds, production method and use thereof |
| 06/27/2007 | CN1986513A Preparing process of 2,3,5-trimethyl benzoquinone |
| 06/20/2007 | CN1321965C Anthraquinone derivative and its synthesis method |
| 06/06/2007 | CN1974519A Decompression gas stripping process |
| 05/30/2007 | CN1971971A Anthracene derivatives and organic electroluminescent devices made by using the same |
| 05/23/2007 | CN1317253C Process for hydrogenation of alkyl anthraquinone by using magnetically stabilized bed |
| 05/22/2007 | US7220784 Substituted stilbenes and their reactions |
| 05/16/2007 | CN1315768C Synthesis method of 2-alkyl anthraquinone |
| 05/09/2007 | EP1781589A2 Synthesis of idarubin aglycone |
| 05/09/2007 | CN1960959A Practical, cost-effective synthesis of ubiquinones |
| 05/09/2007 | CN1314650C Synthesis method of coenzyme Q kind compound |
| 04/25/2007 | CN1951895A Process for extracting high-content hypericin from Hypericum perforatum L. |
| 04/12/2007 | US20070083067 Fluorinated pentacene derivative and method of producing same |
| 04/04/2007 | EP1768944A1 Novel polymorphs of atovaquone and process of preparation thereof |
| 04/04/2007 | CN1308277C Method of extracting anthraquinone analog compound from traditional Chinese medicine cassia seed |
| 03/22/2007 | WO2007032378A1 Process for producing quinone compound |
| 03/21/2007 | CN1931820A Continuous coenzyme Q0 producing pipeline process |
| 03/21/2007 | CN1931819A Coenzyme Q10 purifying process |
| 03/21/2007 | CN1931818A Coenzyme Q10 synthesizing process |
| 03/21/2007 | CN1931817A Clean coenzyme Q0 producing process |
| 03/21/2007 | CN1931816A Juglone extracting process |
| 03/15/2007 | US20070060761 Preparing menatetrenone by oxidizing hydroquinone precursor using molecular oxygen; vitamin K2 formulations, which contain this compound as an active ingredient, are used for prevention and treatment of vitamin K deficiency diseases and as preventive and therapeutic agents for osteoporosis |
| 03/14/2007 | CN1927799A Catalytic method of synthesizing coenzyme Q10 |
| 03/07/2007 | CN1923783A Method of preparing 3,5,5-trimethyl-cyclohex-2-en-1,4-dione by heterophase oxidation |
| 03/07/2007 | CN1923782A Preparation method of oxoisophorone |
| 03/01/2007 | WO2007022979A2 Mediator systems for the electrochemical reduction of organic compounds in an aqueous solution |
| 02/28/2007 | EP1377536A4 Self-reducing anthraquinone compounds |
| 02/21/2007 | CN1918101A Processes for preparing benzoquinones and hydroquinones |
| 02/21/2007 | CN1915953A Method for preparing camphorquinone through catalysis of metalloporphyrin and oxidation in air |
| 02/15/2007 | WO2007017168A1 Process for the preparation of ubihydroquinones and ubiquinones |
| 02/07/2007 | CN1907937A Process for preparing pentaptycene p-benzodiquinone |
| 02/07/2007 | CN1907936A Synthesis method of rhein and Diacerein |
| 02/07/2007 | CN1907935A Purifying method of crude rhein |
| 02/07/2007 | CN1907933A Desorption method of methyl-ethyl ketone rich solvent |
| 02/06/2007 | US7173039 Compounds that modulate or inhibit enzymes for occular diseases |
| 01/31/2007 | CN1904141A Preparation method of vitamin K3 |
| 01/31/2007 | CN1903819A Preparation method of anthraquinone or anthracenone |
| 01/24/2007 | EP1745000A2 Novel anthraquinones and process for the preparation and method of use thereof |
| 01/24/2007 | CN1900044A Synthetic process for 6-chloro-5,12-nephtho naphthaquinone |
| 01/17/2007 | EP1694623A4 Practical, cost-effective synthesis of ubiquinones |
| 01/03/2007 | CN1887894A Extraction and application of anthraglucorhein and rhubarb aglycone |
| 01/03/2007 | CN1887837A Extraction process and application of emodin and aloe-emodin |
| 12/20/2006 | CN1880328A Preparation method of hyperin and hypericin of Hypericum perforatum |
| 12/20/2006 | CN1879965A Preparation method of catalyst for 2-alkyl anthraqunone and anthraqunone production |
| 12/14/2006 | WO2006132348A1 Method of purifying ubiquinone-10 |
| 12/13/2006 | CN1878741A Novel polymorphs of atovaquone and process of preparation thereof |
| 11/22/2006 | CN1285565C Method for refining 1-nitroanthraquinone by using mixed nitroanthraquinone |
| 11/09/2006 | WO2006118167A1 Quinone profile method and the like utilizing quinone compound extracted using compressed carbon dioxide |
| 10/26/2006 | US20060241311 Noval polymorphs of atovaquone and process of |
| 10/25/2006 | CN1850766A Method for extracting hypericin |
| 10/18/2006 | CN1280250C Benzoquinone compound preparation method and application thereof |
| 10/05/2006 | WO2006104411A1 Method for producing 2-methyl-1,4-naphthoquinone |
| 09/28/2006 | DE102004030793B4 Verfahren zur Herstellung von 2-Methyl-1,4-Naphthochinon A process for the preparation of 2-methyl-1,4-naphthoquinone |
| 09/27/2006 | CN1837174A Process for preparing vitamin K3 by extraction method |
| 09/27/2006 | CN1837172A Use of separating agent used in preparation of vitamin K3 by extraction method |
| 09/13/2006 | CN1274655C Novel 3-aryl-2,5-dihydroxy-1,4-benzoquinone derivatives, their preparation method and pharmaceutical compositions containing same |
| 08/31/2006 | WO2006045548A3 Process for the synthesis of ethylene-bis(p-methylenequinones) and corresponding butadiene phenols |
| 08/30/2006 | EP1694623A2 Practical, cost-effective synthesis of ubiquinones |
| 08/23/2006 | CN1822899A Heat exchanger and reactor comprising said type of heat exchanger |
| 08/16/2006 | EP0888326B1 Novel ortho-naphthoquinone derivatives, novel synthesis therefor, and their use in the inhibition of neoplastic cell growth |
| 08/15/2006 | CA2192924C Method for preparing a solution of an alkali salt of anthrahydroquinone |
| 08/02/2006 | CN1810756A Supercritical CO2 extraction process of total rhubarb anthraquinone |
| 07/19/2006 | CN1803751A Method for extracting rhubarb powder dissociated anthraquinone by supercritical acid hydrolysis |
| 07/13/2006 | DE102004063006A1 Verfahren zur Isolierung von Coenzym Q10 A method for isolating coenzyme Q10 |