2'，3'，4'-三氟苯乙酮 | 243448-15-9

• 分子结构分类: 有机化合物 - 有机氧化合物
• 中文名称: 2'，3'，4'-三氟苯乙酮
• 中文别名: 2,3,4-三氟乙酮
• 英文名称: 2,3,4-trifluoroacetophenone
• 英文别名: 2',3',4'-Trifluoroacetophenone；1-(2,3,4-trifluorophenyl)ethanone
• CAS: 243448-15-9
• 化学式: C₈H₅F₃O
• 分子量: 174.122
• InChiKey: VCXSJKJNPCPBOM-UHFFFAOYSA-N

物化性质

• 沸点：
  202.5±35.0 °C(Predicted)
• 密度：
  1.303±0.06 g/cm3(Predicted)
• 稳定性/保质期：
  **避氧化物**

计算性质

• 辛醇/水分配系数(LogP)：
  1.9
• 重原子数：
  12
• 可旋转键数：
  1
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.12
• 拓扑面积：
  17.1
• 氢给体数：
  0
• 氢受体数：
  4

安全信息

• 危险性防范说明：
  P261,P305+P351+P338
• 危险性描述：
  H315,H319,H335

反应信息

• 作为反应物：
  描述：

  2'，3'，4'-三氟苯乙酮 在 一水合肼 作用下， 以 四氢呋喃 为溶剂， 反应 24.0h， 以50%的产率得到6,7-difluoro-3-methyl-1H-indazole
  参考文献：
  名称：

  Synthesis, reactivity, and NMR spectroscopy of 4,6- and 6,7-difluoro-3-methyl-1H-indazoles

  摘要：

  Abstractmagnified image Four 1H‐indazoles, two of them doubly substituted by fluorine atoms and the other two obtained by nitration of the foregoing derivatives, were prepared and fully characterized by multinuclear NMR in solution and in solid state in view of their potential nitric oxide synthase inhibition properties. J. Heterocyclic Chem., (2009).

  DOI：

  10.1002/jhet.202

文献信息

• [EN] SPIROXAZOLIDINONE COMPOUNDS<br/>[FR] COMPOSÉS SPIROXAZOLIDINONE
  申请人：MERCK SHARP & DOHME

  公开号：WO2012024183A1

  公开（公告）日：2012-02-23

  Substituted spirocyclic amines of structural formula (I) are selective antagonists of the somatostatin subtype receptor 5 (SSTR5) and are useful for the treatment, control or prevention of disorders responsive to antagonism of SSTR5, such as Type 2 diabetes, insulin resistance, lipid disorders, obesity, atherosclerosis, Metabolic Syndrome, depression, and anxiety.

  结构式（I）的螺环胺是生长抑素亚型受体5（SSTR5）的选择性拮抗剂，可用于治疗、控制或预防对SSTR5拮抗敏感的疾病，如2型糖尿病、胰岛素抵抗、脂质紊乱、肥胖、动脉粥样硬化、代谢综合征、抑郁症和焦虑症。
• [EN] PROCESS FOR THE PREPARATION OF CHIRAL ISOXAZOLINE AZETIDINE DERIVATIVES AS ANTIPARASITIC AGENTS<br/>[FR] PROCÉDÉ DE PRÉPARATION DE DÉRIVÉS CHIRAUX D'ISOXAZOLINE À SUBSTITUTION AZÉTIDINE EN TANT QU'AGENTS ANTIPARASITAIRES
  申请人：ZOETIS LLC

  公开号：WO2013116236A1

  公开（公告）日：2013-08-08

  The invention recites a chiral process for the synthesis of isoxazoline azetidine phenyl substituted derivatives of Formula (1) stereoisomers thereof, veterinarily acceptable salts thereof, processes for making, and their use as a parasiticide in an animal. The variables *, R1a, R1b, R1c, R2, and R3 are as described herein

  该发明涉及一种手性过程，用于合成式（1）的异噁唑烷基苯取代衍生物的立体异构体，其兽医可接受的盐，制备方法，以及它们作为动物寄生虫药的用途。变量*，R1a，R1b，R1c，R2和R3如本文所述。
• [EN] PIPERIDINE CXCR7 RECEPTOR MODULATORS<br/>[FR] MODULATEURS DU RÉCEPTEUR DE CXCR7 PIPÉRIDINE
  申请人：IDORSIA PHARMACEUTICALS LTD

  公开号：WO2018019929A1

  公开（公告）日：2018-02-01

  The present invention relates to piperidine derivatives of formula (I) wherein Ar1, Ar2, RAr1, R1, R2, and R3 are as described in the description, their preparation, to pharmaceutically acceptable salts thereof, and to their use as pharmaceuticals, to pharmaceutical compositions containing one or more compounds of formula (I), and especially to their use as CXCR7 receptor modulators.

  本发明涉及式(I)的哌啶衍生物，其中Ar1、Ar2、RAr1、R1、R2和R3如描述中所述，它们的制备，其药学上可接受的盐，以及它们作为药物的用途，含有一个或多个式(I)化合物的药物组合物，特别是它们作为CXCR7受体调节剂的用途。
• NOVEL LINEAR ALPHA-OLEFIN CATALYSTS AND PREPARATION AND USE THEREOF
  申请人：APALENE TECHNOLOGY CO., LTD. (JIAXING)

  公开号：US20180147571A1

  公开（公告）日：2018-05-31

  The present invention relates to a novel linear a-olefin catalyst composition, and preparation and use thereof. The catalyst composition includes a main catalyst and a co-catalyst, wherein the main catalyst is an imino-based iron coordination compound, and the co-catalyst is a mixture of methylaluminoxane, triisobutylaluminum, and borane or GaCl 3 . The catalyst composition can be used to catalyze ethylene oligomerization to produce linear α-olefins having a selectivity of greater than 96%, carbon distribution between C4-C28 with the component of C6-C20 being greater than 75%. The catalyst of the invention is stable in structure and can be used for ethylene oligomerization with high catalytic efficiency. The method of the invention has the advantages of relatively convenient in operation, readily available of raw materials, high yield, low costs, less pollution and easy for industrial production.

  本发明涉及一种新型的线性α-烯烃催化剂组合物，以及其制备和使用。该催化剂组合物包括主催化剂和辅助催化剂，其中主催化剂是一种基于亚胺的铁配位化合物，而辅助催化剂是甲基铝氧烷、三异丁基铝和硼烷或氯化镓的混合物。该催化剂组合物可用于催化乙烯寡聚反应，产生选择性大于96%的线性α-烯烃，碳分布在C4-C28之间，其中C6-C20的组分大于75%。该发明的催化剂结构稳定，可用于高效乙烯寡聚反应。该发明的方法具有操作相对便利、原料易得、产量高、成本低、污染少且易于工业生产的优点。
• Substituted pyrazoles as p38 kinase inhibitors
  申请人：Naraian S. Ashok

  公开号：US20070078146A1

  公开（公告）日：2007-04-05

  A class of pyrazole derivatives is described for use in treating p38 kinase medicated disorders. Compounds of particular interest are defined by Formula IA wherein R 1 , R 2 , R 3 and R 4 are as described in the specification.

  描述了一类吡唑衍生物，用于治疗p38激酶介导的疾病。特别感兴趣的化合物由公式IA定义，其中R1、R2、R3和R4如规范中所述。