CAS: 4084-38-2; 2,3,5,6-Tetrafluorobenzyl Alcohol

上下游产品

CAS号19842-76-3 2,3,5,6-四氟苯甲醛 | CAS号5216-17-1 2,3,5,6-四氟苯腈 | CAS号598-54-9 乙酸亚铜 | CAS号7440-02-0 镍 | CAS号95-50-1 邻二氯苯 | CAS号440-60-8 五氟苄醇 | CAS号602-94-8 五氟苯甲酸 | CAS号67-56-1 甲醇 | CAS号363-72-4 五氟苯 | CAS号773-82-0 2,3,4,5,6-五氟苯腈

五氟苯甲醇置于ammonium Hydroxide,锌体系中,化学反应 60.0H,以72%的收率获得产物2,3,5,6-四氟苯甲醇
参考文献:氨水中锌对多氟芳烃的还原脱卤作用
标题:氨水中锌对多氟芳烃的还原脱卤作用
摘要:已经发现氨水是在空前温和的条件下锌对多氟芳烃进行高选择性加氢脱卤的一种非常好而通用的介质.五氟苯甲酸,2,3,4,5,6-五氟苄醇,五氟苯甲酰胺,五氟吡啶,七氟-2-萘甲酸,1,3,4,5,7,8-六氟-2-萘甲酸,八氟萘的还原,八氟甲苯,十氟联苯,氯五氟苯和4-氯四氟苯甲酸产生的产物是通过除去一个或两个卤素原子而得到的.已经提出了还原机理,其通过电子俘获进行以产生自由基阴离子,然后使后者破碎.观测到的该方法的高选择性表明,自由基阴离子是由电子从锌直接转移到基质上形成的.
DOI:10.1016/s0022-1139(99)00082-2

专利信息

专利号:US-7132092-B2
优先权日:2002-02-08
标 题:Metallized mesoporous silicate and method of oxidation with the same
发明人：HAGIYA KOJI
权利人:SUMITOMO CHEMICAL CO
摘要:A metallized mesoporous silicate which is obtained by (i) reacting (a) either a metal peroxide obtained by the reaction of an aqueous hydrogen peroxide solution with at least one metal or metal compound selected from the group consisting of the following 1) to 4) 1) tungsten 2) molybdenum 3) vanadium 4) compounds comprising 4 a ) any of tungsten, molybdenum, and vanadium and 4 b ) at least one element selected from Groups 13 to 16 (excluding oxygen) or a solution of the metal peroxide with (b) a silicon compound in the presence of an alkylamine or a quaternary ammonium salt and separating the resultant silicate; and a process for producing the metallized mesoporous silicate. Also provided is a method of organic synthesis with the silicate.

专利号:CN-1115325-C
优先权日:1998-08-05
标题 :Method for synthesis of pyrethrin by catalytic esterification of 4-dimethylaminopyridine

专利号:CN-1218030-A
优先权日:1998-08-05
标题:Method for synthesis of pyrethrin by catalytic esterification of 4-dimethylaminopyridine

专利号:US-10745334-B2
优先权日:2018-12-21
标题 :Method for synthesizing 2,3,5,6-tetrafluoro-4-methoxymethyl benzyl alcohol
发明人：YUAN QILIANG; ZHANG JINGDE; CHEN HAIFENG; CUI YIXIN; CHEN YINHAO; WANG CHAO
权利人:ZHEJIANG ZHONGXIN FLUORIDE MAT CO LTD
摘要:The disclosure discloses a method for synthesizing 2,3,5,6-tetrafluoro-4-methoxymethyl benzyl alcohol from 1,4-bis(methoxymethyl)-2,3,5,6-tetrafluorobenzene, belongings to the technical field of organic synthesis. 1,4-bis(methoxymethyl)-2,3,5,6-tetrafluorobenzene reacts in mixed solution consisting of sulfuric acid aqueous solution and organic carboxylic acid, the obtained mixture is subjected to ester group hydrolysis reaction in the presence of an inorganic base and then to hydroxyl methylation reaction, 2,3,5,6-tetrafluoro-4-methoxymethyl benzyl alcohol is finally obtained via separation and purification, and 1,4-bis(methoxymethyl)-2,3,5,6-tetrafluorobenzene is recovered. The disclosure not only realizes the resource utilization of low-value 1,4-bis(methoxymethyl)-2,3,5,6-tetrafluorobenzene, and meanwhile has the advantages of mild reaction conditions, simple operation, high synthesis yield, good product quality and the like. The disclosure has high social and economic values.

专利号:CN-102731269-B
优先权日:2012-07-04
标 题 :Synthesis method of 4-methoxymethyl-2,3,5,6-tetrafluorobenzyl alcohol

专利号:CN-116375604-A
优先权日:2022-02-22
标题:A kind of pyrethroid compound containing cyano group in double bond and its synthesis method and application