CAS: 36443-68-2; (Ethane-1,2-Diylbis(Oxy))Bis(Ethane-2,1-Diyl) Bis(3-(3-(Tert-Butyl)-4-Hydroxy-5-Methylphenyl)Propanoate)

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CAS号6386-39-6 3-(3-叔丁基-4-羟基-5... | CAS号51590-67-1 单丁基氧化锡 | CAS号856335-90-5 oxalic acid mon...

Oxalic Acid Dihydrate,3-(3-叔丁基-4-羟基-5-甲基苯基)丙酸甲酯,单丁基氧化锡 以 水,甲苯,三乙二醇 用作溶剂,以94%的收率获得抗氧剂 Xh-245
参考文献:Process For The Production Of Ester Compounds
标题:Process For The Production Of Ester Compounds
摘要:通过酯交换反应,使用单烷基锡化合物作为催化剂,生产有机材料的抗氧化剂的酯化合物,该酯化合物由以下式子表示:##str1## 其中r.Sup.1和r.Sup.2相同或不同,表示氢或含有1-8个碳原子的直链或支链烷基基团,Z是从n-羟基醇衍生的有机基团,N表示1至4的整数,从而可以高质量,高产率地生产酯化合物.

专利信息

专利号:US-7803959-B2
优先权日:2006-04-05
标 题 :Synthesis of aromatic silicon-containing compounds
发明人：COGGAN JENNIFER A; BENDER TIMOTHY P; TOTH ALAN EDWARD JOHN
权利人:XEROX CORP
摘要:Methods are provided for preparing aromatic silicon-containing compounds. The methods include providing an aromatic starting material; reacting the aromatic starting material with a base to form an aromatic salt; and reacting the aromatic salt with a halo-alkylene-silane to form an aromatic silicon-containing compound. Compositions prepared by these methods, protective layers that include hydrolysis and condensation products of such compositions, electrophotographic photoreceptors that include such protective layers, and image forming apparatuses that include such electrophotographic photoreceptors are also provided. In addition, method for preparing electrophotographic photoreceptors that include protective layers including hydrolysis and condensation products of aromatic silicon-containing compounds prepared by the methods for preparing aromatic silicon-containing compounds are provided.

专利号:US-7576240-B2
优先权日:2006-04-26
标 题 :Arylamine processes
发明人：MURPHY LEANNE DAWN
权利人:XEROX CORP
摘要:Processes for selectively hydrogenating double and/or triple bonds in organic molecules include providing at least one organic molecule containing a double and/or triple bond, providing at least one hydrogen donor molecule, and hydrogenating the double and/or triple bond in the presence of at least one catalyst. Processes for preparing arylamine molecules include selectively hydrogenating double bonds in arylamine compounds by providing at least one organic molecule containing a multiple bond, providing at least one hydrogen donor molecule, and hydrogenating the multiple bond in the presence of at least one catalyst. The processes provide efficient, cost-effective and safe methods for conducting selective hydrogenation reactions in the synthesis of organic molecules, such as charge-transport molecules.

专利号:US-2008076049-A1
优先权日:2006-09-26
标 题 :Arylamine processes
发明人：SABAN MARKO D; MURPHY LEANNE DAWN; ENRIGHT THOMAS EDWARD
权利人:XEROX CORP
摘要:Continuous and batch processes for selectively hydrogenating double and/or triple bonds in organic molecules include providing at least one organic molecule containing a double and/or triple bond, providing at least one hydrogen donor molecule, and hydrogenating the double and/or triple bond in the presence of at least one catalyst. Continuous and batch processes for preparing arylamine molecules include selectively hydrogenating double bonds in arylamine compounds by providing at least one organic molecule containing a multiple bond, providing at least one hydrogen donor molecule, and hydrogenating the multiple bond in the presence of at least one catalyst. The continuous and batch processes provide efficient, cost-effective and safe methods for conducting selective hydrogenation reactions in the synthesis of organic molecules, such as charge-transport molecules.

专利号:US-2007238039-A1
优先权日:2006-04-05
标题:Synthesis of aromatic silicon-containing compounds

专利号:US-2015247006-A1
优先权日:2013-06-20
标题 :Block Copolymers Based on Linear Poly(oxymethylene)(POM) and Hyperbranched Poly(glycerol): Combining Polyacetals with Polyethers
发明人：KLEIN REBECCA; SCHÃœLL CHRISTOPH; HAUBS MICHAEL; KURZ KLAUS; FREY HOLGER
权利人:TICONA GMBH
摘要:Synthesis of hyperbranched-linear-hyperbranched ABA triblock copolymers based on linear poly(oxy methylene) (POM) and hyperbranched poly(glycerol) (hbPG) blocks is described. The polymers having a polyacetal polyether structure were prepared from linear bishydroxy functional POM macroinititators, obtained by cationic ring-opening polymerization of trioxane and dioxane with formic acid as transfer agent and following hydrolysis of the formiate group. Partial deprotonation of the resulting hydroxyl groups permitted the hypergrafting by anionic ring-opening multibranching polymerization (ROMBP) of glycidol.

专利号:US-9365666-B2
优先权日:2012-05-30
标题 :Polymerization catalyst composition, method for producing synthetic polyisoprene, and synthetic polyisoprene
发明人：KAITA SHOJIRO; TAMAKI SATORU
权利人:BRIDGESTONE CORP
摘要:A polymerization catalyst composition that, without accompanying excessive gelation, allows efficient synthesis of high molecular weight polyisoprene under industrial conditions is provided. The polymerization catalyst composition contains:n a rare earth element compound (component (A)) represented by the following general formula (i):n nM-(NQ 1 )(NQ 2 )(NQ 3 )  (i);n at least one (component (B)) selected from an ionic compound and a halogen compound; and a compound (component (C)) represented by the following general formula (X):n nYR 1 a R 2 b R 3 c   (X).