CAS: 585-07-9; Tert-Butyl Methacrylate

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CAS号23877-12-5 2-溴代异丁酸叔丁酯 | CAS号67828-69-7 5-氯-2,4-二羟基苯甲酸甲酯 | CAS号78-85-3 2-甲基丙烯醛 | CAS号75-65-0 叔丁醇 | CAS号463-49-0 丙二烯 | CAS号201230-82-2 carbon monoxide | CAS号115-11-7 2-甲基丙烯 | CAS号79-41-4 甲基丙烯酸 | CAS号920-46-7 甲基丙烯酰氯 | CAS号865-48-5 叔丁醇钠 | CAS号5545-52-8 N-苄氧羰基-L-天门冬氨酸 4-叔丁酯 | CAS号42417-76-5 Z-L-天冬氨酸叔丁酯叔丁酯 | CAS号111832-40-7 2-苄基丙烯酸叔丁酯

2-溴代异丁酸叔丁酯置于2,4,5,6-四(9H-咔唑-9-基)异酞腈,[cocl2(Dmgh)2(Pyridine)],Potassium Carbonate,N,N-二异丙基乙胺体系中,用 乙腈 作为反应溶剂,化学反应 16.0H,以100%的收率获得产物甲基丙烯酸叔丁酯
参考文献:合并卤素-原子转移 (Xat) 和钴催化以在消除烷基卤化物中超越 E2 选择性:走向逆热力学烯烃的温和途径
标题:合并卤素-原子转移 (Xat) 和钴催化以在消除烷基卤化物中超越 E2 选择性:走向逆热力学烯烃的温和途径
摘要:我们在这里报告了一种在烷基卤化物上进行 E2 型消除的机械上不同的策略.该策略利用了 α-氨基烷基自由基介导的卤素原子转移 (Xat) 与去饱和钴催化的相互作用.该方法产量高,具有多种功能,并用于获取工业相关材料.与不对称底物产生区域异构混合物的热 E2 消除相比,这种方法能够通过微调钴催化剂的电子和空间性质,获得高烯烃位置选择性.这一史无前例的机械特性允许访问禁忌-Thermodynamic烯烃,由e2淘汰难以捉摸.
DOI:10.1021/jacs.1C06768

专利信息

专利号:US-2006293466-A1
优先权日:2003-06-20
标 题:Methods for synthesis of graft polymers
发明人：GAUTHIER MARIO; YUAN ZHONGSHUN
权利人:UNIV WATERLOO
摘要:A process for the synthesis of arborescent polymers comprises epoxidation of a first polymer and grafting thereto a second polymer having groups reactive to the epoxide groups on the first polymer. The epoxidation and grafting steps can be repeated. In an additional embodiment, the present invention provides a one-pot method for the synthesis of arborescent polymers. In a reaction pot, a first polymer is copolymerized and then reacted with an activating compound in order to generate a polyfunctional macroinitiator. Monomers are then added to the reaction pot, the monomers having functional groups reactive towards reactive sites on the first polymer.

专利号:WO-2023102600-A1
优先权日:2021-12-06
标题:Synthesis of amphiphilic block copolymers and polymeric nanofibers produced therefrom
发明人：ZETTERLUND PER B; ISHIZUKA FUMI; KIM HYUN JIN; CHATANI SHUNSUKE; NIINO HIROSHI
权利人:NEWSOUTH INNOVATIONS PTY LTD
摘要:The present disclosure relates to the field of synthesis of block copolymers, and polymeric nanofibers having a core-shell morphology produced therefrom. The present disclosure relates to the field of synthesis of block copolymers where one block is more hydrophobic than the other block and is a different composition. The disclosure also relates to uses of these polymeric nanofibers in various applications, such as reinforcing a polymeric matrix and for coatings applications.

专利号:US-2012184653-A1
优先权日:2011-01-18
标 题:Synthesis of linear phosphorus-containing functional fluorocopolymer
发明人：WANG LIANG; WANG VIKTORIA
权利人:WANG LIANG; WANG VIKTORIA
摘要:This invention relates to a synthesis of a linear fluorocopolymer having a plurality of pendant phosphorus-containing functional groups. The synthesized phosphorus-containing fluorocopolymer has chain linearity and narrow molecular weight distributions. It has applications as a lubricant additive that provides friction-reduction, anti-wear, and corrosion protection properties.

专利号:US-6610802-B2
优先权日:2001-05-29
标题 :Process for synthesis of polymer compositions, polymer compositionS obtainable by the process, and use of the same
发明人：ROOS SEBASTIAN; EISENBERG BORIS; HARPE CAROLIN
权利人:ROHMAX ADDITIVES GMBH
摘要:The present invention relates to a process for synthesis of polymer compositions with reduced catalyst content, wherein ethylenically unsaturated monomers containing less than 0.5 wt % of ethylenically unsaturated monomers with at least one carboxylic group, sulfonic acid group and/or at least one phosphonic acid group relative to the total weight of the ethylenically unsaturated monomers are polymerized by means of initiators containing a transferable group of atoms and of one or more catalysts comprising at least one transition metal in the presence of ligands which can form a coordination compound with the metal catalyst or catalysts and, after the polymerization, the catalyst contained in the polymer is at least partly separated. For this purpose, the polymer composition is filtered, after the polymerization, in the presence of at least one filter aid which contains at least 0.5 wt %, relative to the total weight of the filter aid, of repeating units that contain at least one carboxylic acid group, sulfonic acid group and/or at least one phosphonic acid group.

专利号:US-6610801-B1
优先权日:2000-11-13
标题:Processes for synthesis of polymer compositions
发明人：SCHERER MARKUS
权利人:ROHMAX ADDITIVES GMBH
摘要:The present invention relates to processes for synthesis of poly(meth)acrylate compositions, wherein ethylenically unsaturated monomers are transformed to polymers by means of initiators containing a transferable group of atoms and of one or more catalysts comprising at least one transition metal in the presence of ligands which can form a coordination compound with the metal catalyst or catalysts, wherein ethylenically unsaturated monomers containing 50 to 100 wt %, relative to the total weight of ethylenically unsaturated monomers, of (meth)acrylates of formula (I) are polymerizedwherein R denotes hydrogen or methyl, R1 denotes a straight-chain or branched alkyl group with 8 to 40, carbon atoms, R2 and R3 independently denote hydrogen or a group of the formula -COOR1, wherein R' denotes hydrogen or a straight-chain or branched alkyl group with 8 to 40, carbon atoms, in the presence of copper, the total concentration of copper of oxidation numbers (I) and (II) in the polymerization composition being <=200 ppm relative to the total weight of the composition.

专利号:US-6639029-B1
优先权日:2000-11-13
标 题 :Process for continuous synthesis of polymer compositions as well as use of same
发明人：SCHERER MARKUS; BOLLINGER JOSEPH MARTIN; COOPER JR DAVID J; TILLERY LARRY STEPHEN; WOODRUFF ROBERT
权利人:ROHMAX ADDITIVES GMBH
摘要:The present invention relates to a process for synthesis of polymer compositions, wherein ethylenically unsaturated monomers are polymerized by means of initiators containing a transferable atom or group of atoms and of one or more catalysts comprising at least one transition metal in the presence of ligands which can form a coordination compound with the metal catalyst or catalysts, the process being characterized in that the polymerization takes place by means of continuous process operation.