| 870195-77-0

• CAS: 870195-77-0
• 化学式: C₂₅H₁₆O₆TeW
• 分子量: 723.848
• InChiKey: DWKMYSUYIOTYKG-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  None
• 重原子数：
  None
• 可旋转键数：
  None
• 环数：
  None
• sp3杂化的碳原子比例：
  None
• 拓扑面积：
  None
• 氢给体数：
  None
• 氢受体数：
  None

反应信息

• 作为产物：
  描述：

  2,6-diphenyl-4-methoxytelluropyrylium trifluoromethanesulfonate 、 在 [(C₆H₆)3C][BF₄] 作用下， 以 not given 为溶剂， 生成
  参考文献：
  名称：

  γ-Methylene chalcogenapyrans and benzopyrans as proaromatic donors in “push–pull” Fischer type carbene complexes: Influences of chalcogen atom and chain length on the electronic and N.L.O. properties of these molecules

  摘要：

  A new class of push-pull molecules bearing gamma-methylene chalcogenapyran and benzopyran nucleus as proaromatic donors and methoxypentacarbonyltungstene carbene fragment as acceptors is described. N.L.O. properties (as mu beta by EFISH) of these complexes have been investigated. The influence of the unsaturated chain length, of the presence of the fused aromatic ring and of the chalcogen atom on the first hyperpolarizability values are shown. (c) 2005 Elsevier B.V. All rights reserved.

  DOI：

  10.1016/j.jorganchem.2005.07.049

文献信息

• Easy synthesis of heterocyclic carbene complexes by activation of chalcogenopyrones and benzopyrones to pyrylium salts and subsequent addition of carbanion of methoxy(methyl)pentacarbonyltungsten carbene complex
  作者：J.-Y. Le Bihan、N. Faux、B. Caro、F. Robin-Le Guen、P. Le Poul

  DOI：10.1016/j.jorganchem.2007.08.039

  日期：2007.11

  Methylenechalcogenopyran and benzopyran Fischer carbene complexes are easily obtained from commercially available chalcogenopyrones or benzopyrones and carbanion of methoxy(methyl)carbene tungsten complex. The key of the heterocyclic carbene formation is the activation of the carbonyl group by alkylation with alkyl trifluoromethanesulfonate reagent.

  亚甲基硫属元素吡喃和苯并吡喃菲舍尔卡宾配合物可容易地从市售硫属元素吡喃酮或苯并吡喃酮和甲氧基（甲基）卡宾钨配合物的碳负离子获得。形成杂环卡宾的关键是通过用烷基三氟甲烷磺酸盐试剂进行烷基化来活化羰基。