1,2,3-三(苯基甲氧基)苯置于palladium On Activated Charcoal Sodium Hydroxide,正丁基锂,四甲基乙二胺,氢气,双氧水,溶剂黄146,Potassium Hexacyanoferrate(III)体系中,用 乙醇 用作溶剂,化学反应生成2,3,4,5-四甲氧基甲苯 参考文献:Synthesis Of 1,2,3,4-Tetrahydroxybenzene From D-Glucose: Exploiting Myo-Inositol As A Precursor To Aromatic Chemicals 标题:Synthesis Of 1,2,3,4-Tetrahydroxybenzene From D-Glucose: Exploiting Myo-Inositol As A Precursor To Aromatic Chemicals 摘要: Doi:10.1021/ja9840293
专利号:US-7528271-B2 优先权日:2007-05-16 标 题:Intermediates, process for their preparation and synthesis of 1,4-benzoquiones 发明人:BJOERSVIK HANS-RENE 权利人:BERGEN TEKNOLOGIOVERFORING AS 摘要:The present invention discloses a new process for the preparation of 1,4-benzoquiones of formula (II) n nwherein R 1 , R 2 , R 3 and R 4 are independently selected from the group consisting of branched or unbranched C 1 -C 6 alkyl, phenyl and benzyl, wherein phenyl and benzyl is optionally substituted by one or more substituent independently selected from the group consisting of C 1 -C 6 alkyl and halogen, and wherein C 1 -C 6 alkyl is optionally substituted with one or more halogen susbstituents, and wherein R 2 and R 3 together can form a C 1 -C 6 -alkylene radical, optionally substituted by one or more susbstituents independently selected from the group comprising C 1 -C 6 , benzyl, phenyl and halogen. One preferred compound is 2,3-dimethoxy-5-methyl-[1,4]benzoquinone, also known as coenzyme Q 0 (CoQ 0 ). Also disclosed are novel compounds and intermediates, and a method for the preparation of coenzyme Q n , preferable the coenzyme Q 10 . Also disclosed is a method for continuous synthesis of 1,4-benzoquiones in a continuous flow reactor.
专利号:US-6506915-B1 优先权日:2001-06-14 标 题 :Synthesis of coenzyme Q10 ubiquinone 发明人:WEST DANIEL DAVID 摘要:Processes for the stereospecific synthesis of coenzyme Q10, ubiquinone, are disclosed; a total synthetic procedure using geraniol as the starting material. The process of the invention results in high yields of isometrically pure ubiquinone. The synthetic coenzyme Q10 can be used as an antioxidant, a nutritional supplement and as a pharmaceutical in treating many conditions.
专利号:US-6686485-B2 优先权日:2001-04-19 标题:Synthesis of coenzyme Q10, ubiquinone 发明人:WEST DANIEL DAVID 摘要:Processes for the stereospecific synthesis of coenzyme Q10, ubiquinone, are disclosed; a semi synthetic procedure using solanesol derived from tobacco waste as the starting material. The process of the invention results in high yields of isometrically useful compositions containing the optically pure isomers.
专利号:US-6750049-B1 优先权日:1999-03-23 标题 :Synthesis of 1,2,3,4-tetrahydroxybenzenes and 1,2,3-trihydroxybenzenes using myo-inositol-1-phosphate synthase and myo-inositol 2-dehydrogenase 发明人:FROST JOHN W; HANSEN CHAD A 权利人:UNIV MICHIGAN STATE 摘要:A bioengineered synthesis scheme for the production of 1,2,3,4-tetrahydroxybenzene from a carbon source is provided. Methods of producing 1,2,3,4-tetrahydroxybenzene from a carbon source based on the synthesis scheme are also provided. Methods are also provided for converting 1,2,3,4-tetrahydroxybenzene to 1,2,3-trihydroxybenzene by catalytic hydrogenation.
专利号:US-9464021-B2 优先权日:2013-11-01 标题 :Method of preparation of stereospecific quinone derivatives 发明人:MEHTA DILIP S; MOHAN PRIYA; SHASTRI MAYANK; REID TED 权利人:MEHTA DILIP S; MOHAN PRIYA; SHASTRI MAYANK; REID TED 摘要:The description provides processes for the regio and stereospecific synthesis of polyprenylatedquinone derivatives, such as Vitamin K1, K2 and Ubiquinone, exploiting dithioacetals, especially 1,3-dithiane, mediated Umpolung chemistry which works along a new concept “Inhibiting resonance delocalization (IRD)â€? to overcome isomerization generated due to delocalization of allyliccarbanion on the Ï€-electron cloud of an allylic systems by the conventional synthesis.
专利号:US-2002156302-A1 优先权日:2001-04-19 标 题:Synthesis of coenzyme Q10, ubiquinone
参考标题:Synthesis Of Ubiquinone And Menaquinone Analogues By Oxidative Demethylation Of Alkenylhydroquinone Ethers With Argentic Oxide Or Ceric Ammonium Nitrat 作者:L. Syper,K. Kloc,J. Mz.Xl;Lochowski |发布日期:1980.1 摘要:It Was Found That Alkenylhydroquinone Ethers Demethylated With Argentic Oxide Or Ceric Ammonium Nitrate In The Presence Of 2,4,6-Pyridinetricarboxylic Acid As A Catalyst And Afforded Ubiquinone-2, Menaquinone-2 And Their Analogs In Yields Of 53 To 89%. The New Approach To The Synthesis Of Starting Alkenylhydroquinone Ethers As Well As 2,4,6-Pyridinetricarboxylic Acid And Its Derivatives Has Been Reported
合成参考文献
摘要:Schall, A.; Reiser, O., Science of Synthesis, (2007) 25, 632.