[(5-p-pyridyl-15-(3,5-di-(OC8H17)-phenyl)porphyrinato zinc(II))2] | 820964-29-2

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 二氮杂萘
• 英文名称: [(5-p-pyridyl-15-(3,5-di-(OC8H17)-phenyl)porphyrinato zinc(II))2]
• CAS: 820964-29-2
• 化学式: C₉₄H₁₀₀N₁₀O₄Zn₂
• 分子量: 1564.67
• InChiKey: ZOHRHSVPJFECRG-BVTWNNRJSA-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

• 作为反应物：
  描述：

  [(5-p-pyridyl-15-(3,5-di-(OC8H17)-phenyl)porphyrinato zinc(II))2] 以 氯仿 为溶剂， 生成 (((Zn-porphyrin)(p-dodecyloxyphenyl)2)2(1,3-phenylene))6
  参考文献：
  名称：

  A Self-Assembled Porphyrin Box from mesomeso-Linked Bis{5-p-pyridyl-15-(3,5-di-octyloxyphenyl)porphyrinato zinc(II)}

  摘要：

  DOI：

  10.1002/1521-3773(20020802)41:15<2817::aid-anie2817>3.0.co;2-0
• 作为产物：
  描述：

  在 Ag⁽¹⁺⁾ 作用下， 以 not given 为溶剂， 生成 [(5-p-pyridyl-15-(3,5-di-(OC8H17)-phenyl)porphyrinato zinc(II))2]
  参考文献：
  名称：

  Porphyrin Boxes Constructed by Homochiral Self-Sorting Assembly:  Optical Separation, Exciton Coupling, and Efficient Excitation Energy Migration

  摘要：

  meso-Pyridine-appended zinc(II) porphyrins Mn and their meso-meso-linked dimers Dn assemble spontaneously, in noncoordinating solvents such as CHCl3, into tetrameric porphyrin squares Sn and porphyrin boxes Bn, respectively. Interestingly, formation of Bn from Dn proceeds via homochiral self-sorting assembly, which has been verified by optical separations of B1 and B2. Optically pure enantiomers of B1 and B2 display strong Cotton effects in the CID spectra, which reflect the length of the pyridyl arm, thus providing evidence for the exciton coupling between the noncovalent neighboring porphyrin rings. Excitation energy migration processes within Bn have been investigated by steady-state and time-resolved spectroscopic methods in conjunction with polarization anisotropy measurements. Both the pump-power dependence on the femtosecond transient absorption and the transient absorption anisotropy decay profiles are directly associated with the excitation energy migration process within the Bn boxes, where the exciton-exciton annihilation time and the polarization anisotropy rise time are well described in terms of the Forster-type incoherent energy hopping model by assuming a number of hopping sites of N = 4 and an exciton coherence length of L = 2. Consequently, the excitation energy hopping rates between the zinc(II) diporphyrin units have been estimated for B1 (48 ps)(-1), B2 (98 +/- 3 ps)(-1), and 133 (361 6 ps)-1. Overall, the self-assembled porphyrin boxes Bn serve as a well-defined three-dimensional model for the light-harvesting complex.

  DOI：

  10.1021/ja046241e

文献信息

• Molecular engineering and solvent dependence of excitation energy hopping in self-assembled porphyrin boxes
  作者：Hee Won Bahng、Pyosang Kim、Young Mo Sung、Chihiro Maeda、Atsuhiro Osuka、Dongho Kim

  DOI：10.1039/c2cc30834g

  日期：——

  It has been demonstrated that the direction and magnitude of transition dipole moments, and hence rates in the excitation energy hopping in the self-assembled porphyrin boxes can be tuned by insertion of ethynyl groups as well as the dielectric constant of solvent.

  实验证明，过渡偶极矩的方向和大小，以及自组装卟啉盒中激发能量跳跃的速率，可以通过插入乙炔基团和溶剂的介电常数来调整。