三氟乙酸铷 | 28947-54-8

• 分子结构分类: 有机化合物 - 有机酸及其衍生物 - 羧酸及其衍生物
• 中文名称: 三氟乙酸铷
• 英文名称: trifluoroacetate rubidium
• 英文别名: Rubidium trifluoroacetate；rubidium(1+);2,2,2-trifluoroacetate
• CAS: 28947-54-8
• 化学式: C₂F₃O₂*Rb
• 分子量: 198.484
• InChiKey: CMXCGDDLAYOLEH-UHFFFAOYSA-M

计算性质

• 辛醇/水分配系数(LogP)：
  -3.7
• 重原子数：
  8
• 可旋转键数：
  0
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.5
• 拓扑面积：
  40.1
• 氢给体数：
  0
• 氢受体数：
  5

反应信息

• 作为反应物：
  描述：

  三氟乙酸铷 在 水 作用下， 生成 二氧化碳
  参考文献：
  名称：

  Spectroscopy of Hydrothermal Reactions 22. The Effects of Cations on the Decarboxylation Kinetics of Trifluoroacetate, Cyanoacetate, Propiolate, and Malonate Ions

  摘要：

  The effect of Group 1 counterions on the decarboxylation rate of four carboxylate ions (trifluoroacetate, propiolate, cyanoacetate, and malonate) was determined in water at 140-280 degreesC and 275 bar. The decarboxylation kinetics were determined in real time by using IR spectroscopy and a titanium cell flow-reactor with sapphire windows. The complexity of the reaction of CF3CO2- necessitated additional postreaction studies by H-1 and F-19 NMR spectroscopy and F- ion electrochemistry. Batch mode reactions in a titanium tube reactor were employed for the latter studies. The CF3H product of CF3CO2- decomposed, liberating F- ions. The cation effect for CF3CO2- is caused primarily by the reaction of F- with the. Group I cations in the order Li+ > Na+ > K+..., which changed the ionic strength. The rate of decarboxylation of cyanoacetate was unaffected by the cation, whereas the Li+ ion slowed the rate of decarboxylation of propiolate, perhaps because of complexation with propiolate. These results were compared with the previously investigated malonate system. Where a cation effect was observed, the effect could be attributed to some form of ion pairing, but in each case the details of the interaction differ slightly.

  DOI：

  10.1021/jp020941t

文献信息

• Synthesis and Structure of New Pt(IV) Perfluorocarboxylate Complexes and Their Reactivity with Respect to Alkanes and Cycloalkanes
  作者：I. P. Stolyarov、N. V. Cherkashina、A. V. Churakov、A. V. Naumkin、A. B. Kornev、A. V. Chernyak、V. M. Martynenko

  DOI：10.1134/s0036023619010200

  日期：2019.1

  New Pt(IV) perfluorocarboxylate complexes of the composition [Pt(RFCOO)4]n and M2[Pt(RFCOO)6] (RF = CF3, C2F5; M = Li, Na, K, Rb, Cs, NMe4) have been synthesized and studied. These complexes are strong oxidizing agents capable of oxidizing alkanes in trifluoroacetic acid under mild conditions to form trifluoroacetic acid esters and acting as catalysts for the oxidative trifluoroacetoxylation of alkanes

  组成为[Pt（R F COO）4 ] n和M 2 [Pt（R F COO）6 ]的新Pt（IV）全氟羧酸盐络合物（R F = CF 3，C 2 F 5； M = Li，Na， K，Rb，Cs，NMe 4）已被合成和研究。这些络合物是强氧化剂，能够在温和条件下氧化三氟乙酸中的烷烃以形成三氟乙酸酯，并充当烷烃，环烷烃和骨架化合物的三氟乙氧基化的催化剂。它们也可以用作合成各种氧化态的铂的其他全氟羧酸盐络合物的起始化合物。通过X射线衍射确定了（NMe 4）2 [Pt（CF 3 COO）6 ]·6CF 3 COOH的结构。