Di-<1-hydroxy-2,2,6,6-tetramethyl-piperidin-4-yl>-phthalat | 4972-14-9

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯和取代衍生物
• 英文名称: Di-<1-hydroxy-2,2,6,6-tetramethyl-piperidin-4-yl>-phthalat
• 英文别名: Di-(1-hydroxy-2,2,6,6-tetramethyl-piperidin-4-yl)-phthalat；bis(1-hydroxy-2,2,6,6-tetramethylpiperidin-4-yl) o-phthalate；Di(2,2,6,6-tetramethyl-1-oxyl-4-piperidyl) phthalate；bis(1-hydroxy-2,2,6,6-tetramethylpiperidin-4-yl) benzene-1,2-dicarboxylate
• CAS: 4972-14-9
• 化学式: C₂₆H₄₀N₂O₆
• 分子量: 476.613
• InChiKey: WJZRRMYMGWLZDY-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  4.3
• 重原子数：
  34
• 可旋转键数：
  6
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.69
• 拓扑面积：
  99.5
• 氢给体数：
  2
• 氢受体数：
  8

反应信息

• 作为反应物：
  描述：

  Di-<1-hydroxy-2,2,6,6-tetramethyl-piperidin-4-yl>-phthalat 在 钯 乙酸乙酯 、 氨 、 水 、 氯化钠 、 magnesium sulfate 、 crude product 、 甲醇 作用下， 以 乙酸酐 为溶剂， 25.0 ℃ 、45.96 MPa 条件下， 反应 1.0h， 以to obtain 14.9 g (64% yield) of a white crystalline solid, m.p. 172-175° C.的产率得到Di-(1-acetoxy-2,2,6,6-tetramethylpiperidin-4-yl) Phthalate
  参考文献：
  名称：

  O-carbonyl N-hydroxy hindered amine stabilizers

  摘要：

  基于各种2,2,6,6-四烷基氮杂环基团的受阻胺，其中环上的受阻氮原子被取代为O-酰基，O-氨基甲酰基或O-碳酸酯基团，环的4位被各种基团取代，可在不同的基质系统中作为光稳定剂。

  公开号：

  US05300647A1
• 作为产物：
  描述：

  bis(1-oxyl-2,2,6,6-tetramethylpiperidin-4-yl)phthalate 在 三辛胺 、 palladium dichloride 氢气 作用下， 以 甲苯 为溶剂， 22.0 ℃ 、66.66 kPa 条件下， 生成 Di-<1-hydroxy-2,2,6,6-tetramethyl-piperidin-4-yl>-phthalat
  参考文献：
  名称：

  Hydrogenation of stable iminoxyl radicals in the presence of a complex palladium catalyst with nitrogen-containing ligands

  摘要：

  DOI：

  10.1007/bf01141726

文献信息

• [EN] ACRYLATE-FUNCTIONAL BRANCHED ORGANOSILICON COMPOUND, METHOD OF PREPARING SAME, AND COPOLYMER FORMED THEREWITH<br/>[FR] COMPOSÉ D'ORGANOSILICIUM RAMIFIÉ À FONCTION ACRYLATE, SON PROCÉDÉ DE PRÉPARATION ET COPOLYMÈRE FORMÉ AVEC CELUI-CI
  申请人：DOW SILICONES CORP

  公开号：WO2020142474A1

  公开（公告）日：2020-07-09

  A method of preparing an acrylate-functional branched organosilicon compound ("compound") is provided, and comprises reacting (A) a branched organosilicon compound and (B) an acrylate compound in the presence of (C) a catalyst, wherein component (A) has the general formula X-Si(R1)3, where X comprises a halogen-functional moiety and each R1 is selected from R and –OSi(R4)3, with the proviso that at least one R1 is –OSi(R4)3; each R4 is selected from R, –OSi(R5)3, and –[OSiR2]mOSiR3; each R5 is selected from R, –OSi(R6)3, and –[OSiR2]mOSiR3; each R6 is selected from R and –[OSiR2]mOSiR3; each R is an independently selected hydrocarbyl group; and 0≤m≤100; with the proviso that at least one of R4, R5 and R6 is –[OSiR2]mOSiR3. The compound prepared by the method, a copolymer comprising the reaction product of the compound and a second compound, a method of forming the copolymer, and a composition comprising the copolymer are each also provided.

  提供了一种制备丙烯酸酯官能化分支有机硅化合物（“化合物”）的方法，包括在催化剂存在下，使（A）分支有机硅化合物和（B）丙烯酸酯化合物发生反应，其中组分（A）具有一般式X-Si（R1）3，其中X包括卤素官能基，每个R1从R和–OSi（R4）3中选择，但至少一个R1为–OSi（R4）3；每个R4从R、–OSi（R5）3和–[OSiR2]mOSiR3中选择；每个R5从R、–OSi（R6）3和–[OSiR2]mOSiR3中选择；每个R6从R和–[OSiR2]mOSiR3中选择；每个R是独立选择的烃基；且0≤m≤100；但至少一个R4、R5和R6为–[OSiR2]mOSiR3。还提供了通过该方法制备的化合物，包括化合物和第二化合物的反应产物的共聚物，形成共聚物的方法，以及包含共聚物的组合物。
• CONTINUOUS PROCESS FOR PREPARING (METH)ACRYLATES OF C10- ALCOHOL MIXTURES
  申请人：BASF SE

  公开号：US20140135523A1

  公开（公告）日：2014-05-15

  A continuous process for preparing (meth)acrylates of C 10 -alcohol mixtures by reaction of glacial (meth)acrylic acid with an isomer mixture of C 10 -alcohols composed of 2-propylheptanol as the main isomer and at least one of the C 10 -alcohols 2-propyl-4-methylhexanol, 2-propyl-5-methylhexanol, 2-isopropylheptanol, 2-isopropyl-4-methylhexanol, 2-isopropyl-5-methylhexanol and/or 2-propyl-4,4-dimethylpentanol, and the use of a diester of dicarboxylic acids which have been esterified with N-oxyl-containing compounds as polymerization inhibitors in such a process.

  通过将冰冷的（甲基）丙烯酸与由2-丙基庚醇异构体混合物反应制备C10-醇混合物的（甲基）丙烯酸酯的连续过程，其中以2-丙基庚醇为主要异构体，至少包括以下C10-醇之一：2-丙基-4-甲基己醇，2-丙基-5-甲基己醇，2-异丙基庚醇，2-异丙基-4-甲基己醇，2-异丙基-5-甲基己醇和/或2-丙基-4,4-二甲基戊醇，并在这种过程中使用已与含N-氧基的化合物酯化的二羧酸二酯作为聚合抑制剂。
• [EN] METHOD OF PREPARING ACRYLOXY-FUNCTIONAL ORGANOSILICON COMPOUNDS<br/>[FR] PROCÉDÉ DE PRÉPARATION DE COMPOSÉS D'ORGANOSILICIUM À FONCTIONNALITÉ ACRYLOXY
  申请人：DOW SILICONES CORP

  公开号：WO2020142372A1

  公开（公告）日：2020-07-09

  A method of preparing an acryloxy-functional organosilicon compound is provided. The method comprises reacting (A) an initial organosilicon compound and (B) an acrylate compound in the presence of (C) a catalyst. The initial organosilicon compound (A) has one alcohol functional group (i.e., is monohydroxyl functional). The catalyst (C) has the formula M[RC(O)CHC(O)R]4, where M is a group IV transition metal and each R is an independently selected substituted or unsubstituted hydrocarbyl group. An acryloxy- functional organosilicon compound prepared by the method is also provided. The acryloxy-functional organosilicon compound is prepared in increased purity, without relying on toxic catalysts.

  提供了一种制备丙烯氧基有机硅化合物的方法。该方法包括在催化剂（C）的存在下，反应（A）一个最初的有机硅化合物和（B）一个丙烯酸酯化合物。最初的有机硅化合物（A）具有一个醇官能团（即单羟基官能团）。催化剂（C）的化学式为M[RC(O)CHC(O)R]4，其中M是IV族过渡金属，每个R是独立选择的取代或未取代的烃基。还提供了通过该方法制备的丙烯氧基有机硅化合物。该丙烯氧基有机硅化合物在不依赖有毒催化剂的情况下提高了纯度。
• [EN] BRANCHED ORGANOSILICON COMPOUND, METHOD OF PREPARING SAME, AND COPOLYMER FORMED THEREWITH<br/>[FR] COMPOSÉ ORGANOSILICIÉ RAMIFIÉ, PROCÉDÉ POUR SA PRÉPARATION ET COPOLYMÈRE FORMÉ AVEC CELUI-CI
  申请人：DOW SILICONES CORP

  公开号：WO2020142441A1

  公开（公告）日：2020-07-09

  A branched organosilicon compound ("compound") is provided having the general formula: (R1)3Si-X-NR2R3, where X is a divalent linking group; R2 is H or R; R3 comprises an acryloxy moiety; each R1 is selected from R and -OSi(R4)3, with the proviso that at least one R1 is -OSi(R4)3; where each R4 is selected from R, -OSi(R5)3, and -[OSiR2]mOSiR3; where each R5 is selected from R, -OSi(R6)3, and -[OSiR2]mOSiR3; and where each R6 is selected from R and -[OSiR2]mOSiR3, with the proviso that at least one of R4, R5 and R6 is -[OSiR2]mOSiR3; 0≤m≤100; and each R is a substituted or unsubstituted hydrocarbyl group. Also provided is a method of preparing the compound, a copolymer comprising the reaction product of the compound and a second compound reactive with the compound, a method of forming the copolymer, and a composition including at least one of the compound and the copolymer.

  提供了一种分支的有机硅化合物（“化合物”），其一般式为：（R1）3Si-X-NR2R3，其中X是二价连接基；R2为H或R；R3包括一个丙烯氧基；每个R1从R和-OSi（R4）3中选择，但至少有一个R1为-OSi（R4）3；其中每个R4从R，-OSi（R5）3和-[OSiR2]mOSiR3中选择；每个R5从R，-OSi（R6）3和-[OSiR2]mOSiR3中选择；每个R6从R和-[OSiR2]mOSiR3中选择，但至少有一个R4，R5和R6是-[OSiR2]mOSiR3；0≤m≤100；每个R是取代或未取代的烃基。还提供了一种制备该化合物的方法，包括与该化合物反应的第二个化合物的反应产物的共聚物，形成该共聚物的方法以及包括该化合物和共聚物中至少一种的组成物。
• PRODUCTION OF TERT-BUTYL ESTERS OF ETHYLENICALLY UNSATURATED CARBOXYLIC ACIDS
  申请人：BASF SE

  公开号：US20190002389A1

  公开（公告）日：2019-01-03

  A process for continuously preparing the tert-butyl ester of an ethylenically unsaturated carboxylic acid, by a) reacting an ethylenically unsaturated carboxylic acid with isobutene in the presence of an acidic catalyst to give an esterification mixture; b) removing the acidic catalyst; c) removing low-boiling components; and d) supplying a tert-butyl ester-comprising liquid to a distillation apparatus and subjecting it to purifying distillation in the distillation apparatus, where d 1 ) in the distillation apparatus the tert-butyl ester-comprising liquid is separated into a tert-butyl ester-comprising gaseous top product and a carboxylic acid-comprising liquid bottom product; d 2 ) the tert-butyl ester-comprising gaseous top product is at least partly condensed and the condensate is recycled partly as reflux to the distillation apparatus; d 3 ) the carboxylic acid-comprising liquid bottom product is recycled at least partly to step a); d 4 ) carboxylic acid-comprising liquid bottom product is drawn off and passed to a heater; a superheated, liquid recycle stream is taken from the heater; and the superheated recycle stream is let down into the distillatiuon apparatus; and d 5 ) at least in the top region of the distillation apparatus, the distillation apparatus walls in contact with the vapor, at least in sub-regions, are heated and/or thermally insulated. In the course of the process, the separation of the tert-butyl ester from unreacted carboxylic acid is carried on with a particularly low level of accompanying polymerization both of the tert-butyl ester and of the carboxylic acid.

  一种连续制备乙烯基不饱和羧酸叔丁酯的方法，包括以下步骤：a）在酸性催化剂存在下，将乙烯基不饱和羧酸与异丁烯反应，得到酯化混合物；b）去除酸性催化剂；c）去除低沸点成分；d）将含有叔丁酯的液体供给蒸馏设备，在蒸馏设备中进行纯化蒸馏，其中d1）在蒸馏设备中，将含有叔丁酯的液体分离成含有叔丁酯的气态顶部产品和含有羧酸的液态底部产品；d2）将含有叔丁酯的气态顶部产品至少部分冷凝，所得冷凝物部分作为回流物回收至蒸馏设备；d3）将含有羧酸的液态底部产品至少部分回收至步骤a）；d4）将含有羧酸的液态底部产品抽出并通过加热器，从加热器中取出过热的液态回收流，将过热的回收流放入蒸馏设备中；d5）至少在蒸馏设备的顶部区域，与蒸汽接触的蒸馏设备壁面至少在子区域中加热和/或热绝缘。在该过程中，从未反应的羧酸中分离出叔丁酯，伴随的叔丁酯和羧酸的聚合水平特别低。