tetraphenylporphyrinatotungsten tetrachloride | 157440-61-4

• 英文名称: tetraphenylporphyrinatotungsten tetrachloride
• CAS: 157440-61-4
• 化学式: C₄₄H₂₈Cl₄N₄W
• 分子量: 938.395
• InChiKey: ALVXXFLJWZPPMU-FLYAKZGESA-J

计算性质

• 辛醇/水分配系数(LogP)：
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• 重原子数：
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• 可旋转键数：
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• 环数：
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• sp3杂化的碳原子比例：
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• 拓扑面积：
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• 氢给体数：
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• 氢受体数：
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反应信息

• 作为产物：
  描述：

  四苯基卟啉 、 六氯化钨 以 四氯化碳 为溶剂， 生成 tetraphenylporphyrinatotungsten tetrachloride
  参考文献：
  名称：

  Ring-opening polymerization of cycloolefin induced by tungsten porphyrinates

  摘要：

  Polymerization reactions of cyclopentene, cyclooctene and cyclododecene have been carried out in presence of catalytic systems based on tungsten tetraphenylporphyrinate, under inert atmosphere at room temperature, in aromatic solvents. The catalyst precursor was prepared by interaction of WCl6 with free tetraphenylporphyrin in CCl4 and characterized by spectroscopic methods (e.g. UV-Vis etc.). Spectroscopic studies on the interaction between the catalytic components or with the monomer, as well as kinetic results, molecular weight distribution and polymer microstructure indicated a high stability and efficiency of the catalytic systems employed. This catalyst allowed polyalkenamers with monomodal and narrow molecular weight distribution to be obtained. The polypentenamer displayed a block and/or alternate distribution of the carbon-carbon double bond dyads and high trans configuration. Data obtained under the above conditions gave information concerning the nature of active species during the initiation and propagation reactions.

  DOI：

  10.1016/0304-5102(93)e0309-5