2-(2-羧基-6-乙基苯基)-3-乙基苯甲酸 | 7509-70-8

• 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-(2-羧基-6-乙基苯基)-3-乙基苯甲酸
• 英文名称: 6,6'-diethylbiphenyl-2,2'-dicarboxylic acid
• 英文别名: 6,6'-Diethyl-2,2'-diphensaeure；6,6'-Diethyldiphensaeure；6,6'-Diethyl[1,1'-biphenyl]-2,2'-dicarboxylic acid；2-(2-carboxy-6-ethylphenyl)-3-ethylbenzoic acid
• CAS: 7509-70-8；35193-50-1
• 化学式: C₁₈H₁₈O₄
• 分子量: 298.339
• InChiKey: NDTRKGDWUFFEHG-UHFFFAOYSA-N

物化性质

• 沸点：
  475.3±45.0 °C(Predicted)
• 密度：
  1?+-.0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  4.2
• 重原子数：
  22
• 可旋转键数：
  5
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.22
• 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：

  2-(2-羧基-6-乙基苯基)-3-乙基苯甲酸 在 polyphosphoric acid 作用下， 反应 24.0h， 以6.9 g的产率得到4,5-diethylfluoren-9-one
  参考文献：
  名称：

  Catalysts for producing polymers with enhanced properties

  摘要：

  本发明涉及新型的以铪为基础的茂金属催化剂化合物，具有以下特征：1）在芴配体上有4,5-二烷基取代基，可选地还有其他取代基；2）环戊二烯基配体，可选地带有取代基；3）来自周期表第14族的桥连基团。本发明还涉及包括此类催化剂化合物的催化剂系统及其用途，以及使用此类催化剂系统生产的聚合物。

  公开号：

  US09988471B2
• 作为产物：
  描述：

  6,6'-Diethyl-2,2'-diphensaeure-dimethylester 在 sodium hydroxide 作用下， 生成 2-(2-羧基-6-乙基苯基)-3-乙基苯甲酸
  参考文献：
  名称：

  Duality of mechanism in photoracemization of optically active biphenyl. Mechanistic and exploratory organic photochemistry. LXV

  摘要：

  DOI：

  10.1021/ja00757a030

文献信息

• Catalysts for producing polymers and enhanced properties
  申请人：ExxonMobil Chemical Patents Inc.

  公开号：US10550209B2

  公开（公告）日：2020-02-04

  Disclosed are novel hafnium-based metallocene catalyst compounds with the following characteristics: 1) 4,5-dialkyl substitutions on a fluorenyl ligand, and optionally additional substitutions, 2) a cyclopentadienyl ligand, optionally with substitutions, and 3) a bridging group from group 14 of the Periodic Table. Also disclosed are catalyst systems comprising such catalyst compounds and their uses thereof, and polymers produced using such catalyst systems.

  所公开的新型铪基茂金属催化剂化合物具有以下特征：1）芴基配体上的 4,5-二烷基取代基，以及可选的额外取代基；2）环戊二烯基配体，可选的取代基；以及 3）来自元素周期表第 14 族的桥基。还公开了包含此类催化剂化合物的催化剂体系及其用途，以及使用此类催化剂体系生产的聚合物。
• Catalysts for Producing Polymers with Enhanced Properties
  申请人：ExxonMobil Chemical Patents Inc.

  公开号：US20170174798A1

  公开（公告）日：2017-06-22

  Disclosed are novel hafnium-based metallocene catalyst compounds with the following characteristics: 1) 4,5-dialkyl substitutions on a fluorenyl ligand, and optionally additional substitutions, 2) a cyclopentadienyl ligand, optionally with substitutions, and 3) a bridging group from group 14 of the Periodic Table. Also disclosed are catalyst systems comprising such catalyst compounds and their uses thereof, and polymers produced using such catalyst systems.
• Catalysts for Producing Polymers and Enhanced Properties
  申请人：ExxonMobil Chemical Patents Inc.

  公开号：US20180244816A1

  公开（公告）日：2018-08-30

  Disclosed are novel hafnium-based metallocene catalyst compounds with the following characteristics: 1) 4,5-dialkyl substitutions on a fluorenyl ligand, and optionally additional substitutions, 2) a cyclopentadienyl ligand, optionally with substitutions, and 3) a bridging group from group 14 of the Periodic Table. Also disclosed are catalyst systems comprising such catalyst compounds and their uses thereof, and polymers produced using such catalyst systems.
• US9988471B2
  申请人：——

  公开号：US9988471B2

  公开（公告）日：2018-06-05
• [EN] CATALYSTS FOR PRODUCING POLYMERS WITH ENHANCED PROPERTIES<br/>[FR] CATALYSEURS POUR PRODUIRE DES POLYMÈRES AUX PROPRIÉTÉS AMÉLIORÉES
  申请人：EXXONMOBIL CHEMICAL PATENTS INC

  公开号：WO2017105635A1

  公开（公告）日：2017-06-22

  Disclosed are novel hafnium-based metallocene catalyst compounds with the following characteristics: 1) 4,5-dialkyl substitutions on a fluorenyl ligand, and optionally additional substitutions, 2) a cyclopentadienyl ligand, optionally with substitutions, and 3) a bridging group from group 14 of the Periodic Table. Also disclosed are catalyst systems comprising such catalyst compounds and their uses thereof, and polymers produced using such catalyst systems.