malonate de (tetramethyl-2,2,6,6 piperidinyle)-4 | 56677-79-3

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 哌啶类
• 英文名称: malonate de (tetramethyl-2,2,6,6 piperidinyle)-4
• 英文别名: bis(2,2,6,6-tetramethyl-4-piperidinyl) malonate；bis(2,2,6,6-tetramethyl-4-piperidyl) malonate；bis(2,2,6,6-tetramethylpiperidin-4-yl) propanedioate
• CAS: 56677-79-3
• 化学式: C₂₁H₃₈N₂O₄
• 分子量: 382.544
• InChiKey: DGBLGWVHPYOSAI-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.9
• 重原子数：
  27
• 可旋转键数：
  6
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.9
• 拓扑面积：
  76.7
• 氢给体数：
  2
• 氢受体数：
  6

反应信息

• 作为反应物：
  描述：

  malonate de (tetramethyl-2,2,6,6 piperidinyle)-4 在 间氯过氧苯甲酸 作用下， 以 乙醚 为溶剂， 反应 2.0h， 以48%的产率得到bis-O-(2,2,6,6-tetramethylpiperidinyl-4-oxyl)malonate
  参考文献：
  名称：

  Briere, Roselyne; Giroud, Anne-Marie; Rassat, Andre, Bulletin de la Societe Chimique de France, 1980, vol. 2, # 3-4, p. 147 - 150

  摘要：

  DOI：
• 作为产物：
  描述：

  四甲基哌啶醇 、 丙二酸二乙酯 在 对甲苯磺酸 作用下， 以 neat (no solvent) 为溶剂， 以24%的产率得到malonate de (tetramethyl-2,2,6,6 piperidinyle)-4
  参考文献：
  名称：

  Briere, Roselyne; Giroud, Anne-Marie; Rassat, Andre, Bulletin de la Societe Chimique de France, 1980, vol. 2, # 3-4, p. 147 - 150

  摘要：

  DOI：

文献信息

• MODIFIED ZNO NANOPARTICLES
  申请人：Riggs Richard

  公开号：US20120097068A1

  公开（公告）日：2012-04-26

  Process for the preparation of modified zinc oxide nanoparticles, which comprises reacting zinc oxide nanoparticles, which are dissolved in a solvent, in the presence of ammonia or amines with a tetraalkyl orthosilicate and optionally with an organosilane, with the proviso that the reaction takes place at a content of less than 5% by weight of water, based on the total amount of solvent and water. Modified zinc oxide nanoparticles which have Si—O-alkyl groups and are soluble in organic solvents, obtainable by this process for the preparation. Liquid or solid formulations which comprise modified ZnO nanoparticles. Inanimate organic materials, for example plastics or coatings, which comprise modified ZnO nanoparticles. Method of stabilizing inanimate organic materials against the effect of light, free radicals or heat, where modified ZnO nanoparticles, which optionally comprise UV absorbers and/or stabilizers as further additives, are added to the materials.

  制备改性氧化锌纳米颗粒的过程包括在溶剂中溶解的氧化锌纳米颗粒与氨或胺在场的情况下，与四烷基正硅酸酯和可选的有机硅烷反应，但反应需在溶剂和水的总量中水含量低于5%的条件下进行。通过该制备过程可获得具有Si-O-烷基基团且可溶于有机溶剂的改性氧化锌纳米颗粒。包含改性ZnO纳米颗粒的液体或固体配方。包含改性ZnO纳米颗粒的无机有机材料，例如塑料或涂料。一种稳定无机有机材料抵抗光线、自由基或热效应的方法，其中将改性ZnO纳米颗粒添加到材料中，这些纳米颗粒可包含紫外吸收剂和/或稳定剂作为进一步添加剂。
• BISPHOSPHITE MIXTURE AND USE THEREOF AS A CATALYST MIXTURE IN HYDROFORMYLATION
  申请人：Christiansen Andrea

  公开号：US20150274627A1

  公开（公告）日：2015-10-01

  The invention relates to a mixture of bisphosphites, to a process for preparation thereof, and to the reaction thereof with metals to give mixtures comprising complexes of the constitutionally isomeric bisphosphites and the metal, and to the use thereof as a catalytically active composition in hydroformylation reactions, and also to the hydroformylation reaction itself.

  这项发明涉及一种双膦酯混合物，涉及其制备方法，以及与金属反应形成包含构成异构体双膦酯和金属的混合物的反应，以及将其用作氢甲酰化反应中的催化活性组合物，还涉及氢甲酰化反应本身。
• N-(.beta.-carbony- and .beta.-cyanovinyl)-2,2,6,6-tetramethyl-piperidine
  申请人：BASF Aktiengesellschaft

  公开号：US05434202A1

  公开（公告）日：1995-07-18

  N-(.beta.-carbonyl- and .beta.-cyanovinyl)-2,2,6,6-tetramethylpiperidine derivatives of the formula I ##STR1## where R.sup.1 is COOR.sup.3, COR.sup.4, CONR.sup.4 R.sup.5 or CN, R.sup.2 has the meanings of R.sup.1 or is C.sub.1 -C.sub.12 -alkyl or hydrogen, R.sup.3 is hydrogen, C.sub.1 -C.sub.8 -alkyl, C.sub.5 -C.sub.8 -cycloalkyl, C.sub.3 -C.sub.5 -alkenyl or phenyl which can be mono- to trisubstituted by C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkoxycarbonyl, halogen, hydroxyl, phenoxy, phenyl, tolyl or xylyl, R.sup.4 and R.sup.5 are each hydrogen, C.sub.1 -C.sub.12 -alkyl, C.sub.5 -C.sub.8 -cycloalkyl or phenyl which can be mono- to trisubstituted by C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkoxycarbonyl, halogen, hydroxyl, phenoxy, phenyl, tolyl or xylyl, n is 1-4, X and A for each individual n have been defined in the specification.

  N-(.beta.-羰基和.beta.-氰基乙烯基)-2,2,6,6-四甲基哌啶衍生物的结构式I ##STR1##其中R.sup.1为COOR.sup.3、COR.sup.4、CONR.sup.4 R.sup.5或CN，R.sup.2具有R.sup.1的含义或是C.sub.1 -C.sub.12 -烷基或氢，R.sup.3为氢、C.sub.1 -C.sub.8 -烷基、C.sub.5 -C.sub.8 -环烷基、C.sub.3 -C.sub.5 -烯基或苯基，可由C.sub.1 -C.sub.4 -烷基、C.sub.1 -C.sub.4 -烷氧基、C.sub.1 -C.sub.4 -烷氧羰基、卤素、羟基、苯氧基、苯基、甲苯基或二甲苯基单取代至三取代，R.sup.4和R.sup.5分别为氢、C.sub.1 -C.sub.12 -烷基、C.sub.5 -C.sub.8 -环烷基或苯基，可由C.sub.1 -C.sub.4 -烷基、C.sub.1 -C.sub.4 -烷氧基、C.sub.1 -C.sub.4 -烷氧羰基、卤素、羟基、苯氧基、苯基、甲苯基或二甲苯基单取代至三取代，n为1-4，X和A对于每个n已在说明书中定义。
• Carbonylation Method by Adding Secondary Sterically Hindered Amines
  申请人：Hess Dieter

  公开号：US20080188686A1

  公开（公告）日：2008-08-07

  The invention relates to a process for reaction of a carbonylatable compound using a metal complex catalyst comprising a metal of transition group VIII and an organophosphorus ligand and in the presence of a stabilizer based on a sterically hindered secondary amine.

  本发明涉及一种使用过渡金属VIII族金属和有机膦配体以及在具有基于立体阻碍的二级胺稳定剂存在下反应羰基化合物的过程。
• PROCESS FOR PREPARING C5 ALDEHYDE MIXTURES WITH A HIGH N-PENTANAL CONTENT
  申请人：Lueken Hans-Gerd

  公开号：US20110130595A1

  公开（公告）日：2011-06-02

  A process for preparing a C 5 aldehyde mixture from a hydrocarbon mixture comprising at least one linear butene by terminal hydroformylation under isomerizing conditions, using a catalyst system comprising rhodium, a bisphosphite ligand, and an amine.

  使用由铑、双膦配体和胺组成的催化剂体系，在异构化条件下进行末端加氢甲酰化反应，从至少含有一种直链丁烯的碳氢混合物中制备C5醛混合物的方法。