2,5-双(4-联苯基)唑 | 2083-09-2

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯和取代衍生物
• 中文名称: 2,5-双(4-联苯基)唑
• 中文别名: 2,5-双(4-双苯基)恶唑；2,5-双(4-联苯基)恶唑
• 英文名称: 2,5-bis(4-biphenylyl)oxazole
• 英文别名: 2,5-Di(4-biphenylyl)oxazol；2,5-bis(4-phenylphenyl)-1,3-oxazole
• CAS: 2083-09-2
• 化学式: C₂₇H₁₉NO
• 分子量: 373.454
• InChiKey: DDZJGFHXUOWOSL-UHFFFAOYSA-N

物化性质

• 熔点：
  238-240°C

计算性质

• 辛醇/水分配系数(LogP)：
  7.9
• 重原子数：
  29
• 可旋转键数：
  4
• 环数：
  5.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  26
• 氢给体数：
  0
• 氢受体数：
  2

安全信息

• 安全说明：
  S22,S24/25
• 海关编码：
  2934999090

制备方法与用途

制备方法

闪烁试剂。

用途简介 用途

闪烁试剂。

反应信息

• 作为产物：
  描述：

  biphenyl-4-carboxylic acid (2-biphenyl-4-yl-2-oxo-ethyl)amide 在 三氯氧磷 作用下， 生成 2,5-双(4-联苯基)唑
  参考文献：
  名称：

  2,5-Diaryloxazoles and 2,5-Diaryl-1,3,4-oxadiazoles

  摘要：

  DOI：

  10.1021/ja01612a041

文献信息

• Silylated polycarbonate polymers, method of making, and articles
  申请人：Lens Jan Pleun

  公开号：US20080306294A1

  公开（公告）日：2008-12-11

  A silylated dihydroxy aromatic compound of the formula (1a); wherein G a and G b are each independently C 1-12 alkyl, —OSi(C 1-12 alkyl) 3 , C 1-12 arylalkyl, or —OSi(C 1-12 arylalkyl) 3 ; Z a and Z b are each independently a straight or branched C 2-18 alkylene, a C 8-18 arylalkylene, or a C 8-18 alkylarylene, X a is a direct bond, a heteroatom-containing group, or a C 1-18 organic group, and r and s are each independently 1 or 2 is disclosed.

  一种具有式(1a)的硅烷化二羟基芳香族化合物；其中Ga和Gb各自独立地为C1-12烷基、—OSi(C1-12烷基)3、C1-12芳基烷基或—OSi(C1-12芳基烷基)3；Za和Zb各自独立地为直链或支链的C2-18亚烷基、C8-18芳基亚烷基或C8-18烷基芳基亚烷基，Xa为直接键、含杂原子基团或C1-18有机基团，且r和s各自独立地为1或2。
• IMAGING CONTRAST AGENTS USING NANOPARTICLES
  申请人：Zheng Shiying

  公开号：US20080095699A1

  公开（公告）日：2008-04-24

  The present invention relates to a nanoparticle comprising self-assembled crosslinked, amphiphilic block copolymers and at least one immobilized dye, wherein the self-assembled, crosslinked, amphiphilic block copolymers comprise a hydrophilic block and a hydrophobic block, wherein the self-assembled, crosslinked, amphiphilic block copolymers are self-assembled to form a core of the nanoparticle comprising a hydrophobic block, wherein the hydrophobic block is derived from at least one pendant multifunctional crosslinked alkoxy silane or amino silane moiety, and an exterior of the nanoparticle comprising a hydrophilic block, and wherein the immobilized dye is immobilized in the core.

  本发明涉及一种纳米颗粒，包括自组装交联的两性块共聚物和至少一种固定的染料，其中自组装交联的两性块共聚物包括一个亲水性块和一个疏水性块，其中自组装交联的两性块共聚物自组装形成纳米颗粒的核心，包括一个疏水性块，其中疏水性块源自至少一种挂链多功能交联的烷氧基硅烷或氨基硅烷基团，以及纳米颗粒的外部包括一个亲水性块，固定的染料固定在核心中。
• INDANE BISPHENOLS, POLYMERS DERIVED THEREFROM, AND METHODS OF USE THEREOF
  申请人：Schultz Hume Laura G.

  公开号：US20140061533A1

  公开（公告）日：2014-03-06

  Disclosed herein are indane bisphenol monomer units, and polymers derived from such monomer units. Also disclosed herein are blends including such polymers, articles made from such polymers and blends, methods of using such monomers, polymers, and blends, and processes for preparing such monomers, polymers, and blends.

  本发明涉及indane双酚单体单元以及由此类单体单元衍生的聚合物。本发明还涉及包括此类聚合物的混合物，由此类聚合物和混合物制成的物品，使用此类单体、聚合物和混合物的方法，以及制备此类单体、聚合物和混合物的工艺。
• Stabilized thermoplastic composition, method of making, and articles formed therefrom
  申请人：Glasgow Katherine

  公开号：US20070082989A1

  公开（公告）日：2007-04-12

  A thermoplastic composition comprises a polycarbonate, an ionizing radiation stabilizing additive, and a poly-substituted aromatic compound of formula: wherein X is an aryl group; Y is a non-hydrogen substituent group, a is 1 to 4, b is 0 to 4, a+b is less than or equal to 4, and c is 0 or 1; and wherein the amounts and identities of the polycarbonate, ionizing radiation stabilizing additive, and poly-substituted aromatic compound are selected such that a molded article having a thickness of 3.18 millimeters and comprising the thermoplastic composition has, after exposure to gamma radiation at 83 kGy and when measured according to ASTM D1925-70, an increase in yellowness index (dYI) of less than or equal to 50, when compared to the unexposed thermoplastic composition.

  一种热塑性组合物包括聚碳酸酯、电离辐射稳定添加剂和式子为的多取代芳香族化合物：其中X是芳香族基；Y是非氢取代基团，a为1到4，b为0到4，a+b小于或等于4，c为0或1；并且聚碳酸酯、电离辐射稳定添加剂和多取代芳香族化合物的数量和身份被选择为这样的模制品，其厚度为3.18毫米，包含该热塑性组合物，在经过83 kGy的伽马辐射照射后，按照ASTM D1925-70测量，其黄度指数（dYI）增加小于或等于50，与未曝露的热塑性组合物相比。
• POLYESTER COMPOSITIONS HAVING IMPROVED HEAT RESISTANCE
  申请人：Ganesan Balakrishnan

  公开号：US20080242783A1

  公开（公告）日：2008-10-02

  A composition of matter comprising a polyester composition derived from: (i) 20 to 80 mole percent of a first diol derived from a disubstituted xylene glycol of the formula (I): wherein R 1 and R 2 are independently selected from the group consisting of aliphatic radical, aromatic radical, cycloaliphatic, radical and halogen; and (ii) a second diol and (iii) a diacid is disclosed. Also disclosed are blends of these polyesters with polycarbonate and process to prepare these compositions and articles therefrom.

  一种物质组合物，包括由以下衍生的聚酯组合物：(i) 20至80摩尔％的第一二元醇，该二元醇是由式(I)的二取代二甲苯乙二醇衍生而来，其中R1和R2分别选自包括脂肪基，芳香基，环脂基，卤素的基团；(ii)第二二元醇和(iii)二酸。还公开了这些聚酯与聚碳酸酯的混合物，以及制备这些组合物和制品的方法。

表征谱图