3-Methyl-pimelinsaeure | 16200-27-4

• 分子结构分类: 有机化合物 - 脂质和类脂质分子 - 脂肪酰基
• 英文名称: 3-Methyl-pimelinsaeure
• 英文别名: 3-methylheptanedioic acid；3-Methylpimelic acid
• CAS: 16200-27-4
• 化学式: C₈H₁₄O₄
• 分子量: 174.197
• InChiKey: NXDCNRPLRGMKHU-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  0.9
• 重原子数：
  12
• 可旋转键数：
  6
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.75
• 拓扑面积：
  74.6
• 氢给体数：
  2
• 氢受体数：
  4

反应信息

• 作为反应物：
  描述：

  3-Methyl-pimelinsaeure 反应 2.0h， 生成 2,6-Diamino-3-methylpimelinsaeure
  参考文献：
  名称：

  Cavalleri; Volpe; Sartori, Farmaco, Edizione Scientifica, 1974, vol. 29, # 4, p. 257 - 280

  摘要：

  DOI：
• 作为产物：
  描述：

  乙基-4-甲基-2-环己酮-1-羧酸酯 在 sodium hydroxide 作用下， 生成 3-Methyl-pimelinsaeure
  参考文献：
  名称：

  Spectral characteristic of infrared radiations of some acupoint and non-acupoint areas in human arm surface

  摘要：

  Using infrared spectrum detective device, we experiment on Neiguan, Laogong and Hegu acupoints of seven adult volunteers as well as contrastive points beside ones. We get 63 infrared spectrums. The experiment outcome tells us that the differences of the Intensities among individuals are great, and so are the differences between acupoint and non-acupoint areas. However, the differences of spectral character are small, which indicates that infrared radiations of human body are based on the same biophysical fundament.

  DOI：

  10.1007/bf03182835

文献信息

• REUSABLE PRINT MEDIUM AND METHOD OF MANUFACTURING THEREOF
  申请人：OCE TECHNOLOGIES B.V.

  公开号：US20130137805A1

  公开（公告）日：2013-05-30

  The present invention relates to a reusable print medium comprising a substrate and a sacrificial layer. The sacrificial layer contains a hotmelt composition at least comprising an amorphous material. The amorphous material is a resin being a reaction product of a first monomer A, said first monomer A being a polyhydroxyl alcohol comprising X hydroxyl functional groups, wherein X≧2, monomer A optionally comprises a primary or secondary amine functionality; a second monomer B, being an aromatic monocarboxylic acid; a third monomer C, said third monomer C being able to form an ester linkage with an alcohol and/or an amide linkage with a primary or secondary amine; and optionally, a fourth monomer D, being an aromatic monocarboxylic acid different from the second monomer B. The sacrificial layer including the printed image may be removed from the substrate by applying heat. A new sacrificial layer may be applied such that the reusable print medium is ready to be reused. The present invention also relates to a method of manufacturing a reusable print medium according to the present invention, a method of printing and recycling such a print medium and an apparatus for printing and recycling such a print medium.

  本发明涉及一种可重复使用的印刷介质，包括基底和牺牲层。牺牲层含有至少包括非晶态材料的热熔组合物。该非晶态材料是一种树脂，是第一单体A的反应产物，第一单体A是一种聚羟基醇，包括X个羟基官能团，其中X≥2，单体A可选包括一种主链或侧链氨基官能团；第二单体B是一种芳香单羧酸；第三单体C能够与醇形成酯键和/或与一种主链或侧链氨基形成酰胺键；可选地，第四单体D是一种与第二单体B不同的芳香单羧酸。可以通过施加热量从基底中去除包括印刷图像的牺牲层。可以应用新的牺牲层，使可重复使用的印刷介质准备好被重用。本发明还涉及一种制造可重复使用的印刷介质的方法，一种印刷和回收这样的印刷介质的方法，以及一种印刷和回收这样的印刷介质的装置。
• Catalyst-controlled site-selective methylene C–H lactonization of dicarboxylic acids
  作者：Hau Sun Sam Chan、Ji-Min Yang、Jin-Quan Yu

  DOI：10.1126/science.abq3048

  日期：2022.6.24

  and γ-methylene carbon-hydrogen (C-H) bonds of free carboxylic acids is a long-standing challenge. Here we show that, with a pair of palladium catalysts assembled with quinoline-pyridone ligands of different chelate ring sizes, it is possible to perform highly site-selective monolactonization reactions with a wide range of dicarboxylic acids, generating structurally diverse and synthetically useful γ-

  游离羧酸的β-和γ-亚甲基碳氢（CH）键的催化剂控制的位点选择性活化是一个长期存在的挑战。在这里，我们表明，通过一对由不同螯合环尺寸的喹啉-吡啶酮配体组装的钯催化剂，可以与多种二羧酸进行高度位点选择性的单内酯化反应，产生结构多样且合成上有用的γ-和δ-内酯通过位点选择性β-或γ-亚甲基CH活化。剩余的羧基可作为进一步合成应用的多功能关键，如从丰富的二羧酸中全合成两种天然产物 myrotheciumone A 和pedicellosine 所证明的那样。
• Chiral anisotropic thermosets (cat) in polymer stabilized liquid crystals
  申请人：Sniaricerche S.C.P.A.

  公开号：EP0803525A2

  公开（公告）日：1997-10-29

  The present invention relates to chiral anisotropic thermosetting resin comprising the reaction product of a liquid crystalline epoxy prepolymer and a chiral curing agent selected from the group consisting of chiral polyamines and chiral polycarboxylic acids. The invention is also directed to polymer dispersed liquid crystal composite containing a polymer continuous phase and a liquid crystal discontinuous phase characterized in that the polymer continuous phase contains a chiral anisotropic thermosetting resin comprising the reaction product of a liquid crystalline epoxy prepolymer and a chiral polycarboxylic acid curing agent as a compatible component of that phase. Methods of manufacturing the above polymer dispersed liquid crystal composites are also described.

  本发明涉及手性各向异性热固性树脂，该树脂包含液晶环氧预聚物和手性固化剂的反应产物，手性固化剂选自由手性多胺和手性多羧酸组成的组。本发明还涉及含有聚合物连续相和液晶不连续相的聚合物分散液晶复合材料，其特征在于聚合物连续相含有手性各向异性热固性树脂，该树脂包括液晶环氧预聚物和手性聚羧酸固化剂的反应产物，作为该相的相容组分。还描述了制造上述聚合物分散液晶复合材料的方法。
• Reusable print medium and method of manufacturing thereof
  申请人：Océ-Technologies B.V.

  公开号：EP2596960A2

  公开（公告）日：2013-05-29

  The present invention relates to a reusable print medium (200) comprising a substrate (201) and a sacrificial layer (202). The sacrificial layer contains a hotmelt composition at least comprising an amorphous material. The amorphous material is a resin being a reaction product of a first monomer A, said first monomer A being a polyhydroxyl alcohol comprising X hydroxyl functional groups, wherein X ≥ 2, monomer A optionally comprises a primary or secondary amine functionality; a second monomer B, being an aromatic monocarboxylic acid; a third monomer C, said third monomer C being able to form an ester linkage with an alcohol and/or an amide linkage with a primary or secondary amine; and optionally, a fourth monomer D, being an aromatic monocarboxylic acid different from the second monomer B. The sacrificial layer including the printed image may be removed from the substrate by applying heat. A new sacrificial layer may be applied such that the reusable print medium is ready to be reused. The present invention also relates to a method of manufacturing a reusable print medium according to the present invention and a method of printing and recycling such a print medium.

  本发明涉及一种可重复使用的打印介质（200），它包括一个基底（201）和一个牺牲层（202）。牺牲层包含一种热熔胶组合物，至少包括一种非晶材料。无定形材料是一种树脂，是第一单体 A 的反应产物，所述第一单体 A 是一种多羟基醇，包含 X 个羟基官能团，其中 X ≥ 2，单体 A 可选择包含伯胺或仲胺官能团；第二单体 B，为芳香族单羧酸； 第三单体 C，所述第三单体 C 能与醇形成酯连接和/或与伯胺或仲胺形成酰胺连接；以及 第四单体 D，为不同于第二单体 B 的芳香族单羧酸。可通过加热将包括印刷图像的牺牲层从基底上去除。然后再涂上一层新的牺牲层，这样可重复使用的打印介质就可以重复使用了。 本发明还涉及根据本发明制造可重复使用打印介质的方法，以及打印和回收这种打印介质的方法。
• Photosensitive resin composition, method for producing cured film, cured film, liquid crystal display device, organic electroluminescent display device, and touch panel
  申请人：FUJIFILM Corporation

  公开号：US10254645B2

  公开（公告）日：2019-04-09

  There are provided a photosensitive resin composition having excellent chemical resistance, light resistance, and solubility in a solvent, a method for producing a cured film, a cured film, a liquid crystal display device, an organic electroluminescent display device, and a touch panel. The photosensitive resin composition contains a polybenzoxazole precursor, a photoacid generator which generates an acid having a pKa of 3 or less or a quinone diazide compound, and a solvent, in which the polybenzoxazole precursor contains a total of 70 mol % or more of a repeating unit represented by the following Formula (1) and a repeating unit represented by the following Formula (2) with respect to the total repeating units, and a ratio between the repeating unit represented by Formula (1) and the repeating unit represented by Formula (2) is 9:1 to 3:7 in a molar ratio. Y1 represents a cyclic aliphatic group having 3 to 15 carbon atoms, and Y2 represents a linear or branched aliphatic group having 4 to 20 carbon atoms.

  本发明提供了一种具有优异耐化学性、耐光性和在溶剂中溶解性的光敏树脂组合物、一种生产固化膜的方法、一种固化膜、一种液晶显示装置、一种有机电致发光显示装置和一种触摸屏。光敏树脂组合物包含聚苯并恶唑前体、产生 pKa 为 3 或以下的酸或重氮化醌化合物的光酸发生器和溶剂、其中，聚苯并恶唑前体包含的下式(1)和下式(2)所代表的重复单元的总量占重复单元总量的 70 摩尔%或以上，且下式(1)和下式(2)所代表的重复单元的比例为 9：1 至 3:7 的摩尔比。Y1 代表具有 3 至 15 个碳原子的环状脂肪族基团，Y2 代表具有 4 至 20 个碳原子的直链或支链脂肪族基团。