我们提出了一种直接且普遍适用的共面连接的同质和异质双金属卟啉配合物的合成路线。该方案允许合成不对称芳基内消旋以及β-内消旋连接的卟啉。我们的方法将已发表的邻亚苯基双卟啉 (OBBP)化合物的总产率显着提高了6.8 倍。除了合成 16 种含有 Mn III、 Fe III、 Ni II、 Cu II、 Zn II和 Pd II的新型同质双金属配合物外,我们还实现了第一个包含这两种物质的不对称共面苯连接卟啉二聚体的单晶 X 射线结构Ni II 2配合物的平面手性对映体。此外,这种新方法允许获得异双金属配合物,例如含有一氧化碳脱氢酶活性位点类似物的Fe III -Ni II 。通过各种技术对分离的物质进行了研究,包括离子迁移谱测定、DFT 计算和紫外/可见光谱。这使我们能够探究面间距离对索雷带分裂的影响。
我们提出了一种直接且普遍适用的共面连接的同质和异质双金属卟啉配合物的合成路线。该方案允许合成不对称芳基内消旋以及β-内消旋连接的卟啉。我们的方法将已发表的邻亚苯基双卟啉 (OBBP)化合物的总产率显着提高了6.8 倍。除了合成 16 种含有 Mn III、 Fe III、 Ni II、 Cu II、 Zn II和 Pd II的新型同质双金属配合物外,我们还实现了第一个包含这两种物质的不对称共面苯连接卟啉二聚体的单晶 X 射线结构Ni II 2配合物的平面手性对映体。此外,这种新方法允许获得异双金属配合物,例如含有一氧化碳脱氢酶活性位点类似物的Fe III -Ni II 。通过各种技术对分离的物质进行了研究,包括离子迁移谱测定、DFT 计算和紫外/可见光谱。这使我们能够探究面间距离对索雷带分裂的影响。
Novel Cofacial Porphyrin‐Based Homo‐ and Heterotrimetallic Complexes of Transition Metals
作者:Christoph Schissler、Erik K. Schneider、Sergei Lebedkin、Patrick Weis、Gereon Niedner‐Schatteburg、Manfred M. Kappes、Stefan Bräse
DOI:10.1002/chem.202102376
日期:2021.11.2
cofacially linked homo- and heterotrimetallic trisporphyin complexes starting from pyrrole and benzaldehyde is presented in this work. Besides the novel aryl-based, trans-o-phenylene trisporphyrin, we investigated the respective cis-isomer as the first conformationally restricted planar-chiral trisporphyrin. The homotrimetallic Mn(III)-, Fe(III)-, Ni(II)-, Cu(II)-, Zn(II)- and Pd(II) complexes and the defined
Irreversible photoisomerization behavior of 2-stilbazoleThe IUPAC name for 2-stilbazole is 2-styrylpyridine. covalently bound to porphyrin
作者:Hiroshi Sugimoto、Keigo Kuramoto、Shohei Inoue
DOI:10.1039/b109377k
日期:2002.7.26
Irreversible cis-to-trans photoisomerization behavior was observed for a stilbazole–porphyrin (1), and its zinc complex (2). trans-1 and trans-2 did not isomerize to the corresponding cis-isomer under irradiation with UV light, although stilbazoles readily undergo the trans-to-cis isomerization upon UV irradiation. In contrast, cis-to-trans photoisomerization was observed for both cis-1 and cis-2; the isomerization of cis-stilbazole readily proceeds by visible light irradiation via complexation with metalloporphyrins.
A newly synthesized ‘ortho-gable-porphyrin,’ a tetraphenylporphyrin-type dimer with an ortho-phenylene bridge, provided a model for closer porphyrin–porphyrin separation.
An example of the refinement of positional disorder modeled as compositional disorder in [5-(2-formylphenyl)-10,15,20-triphenylporphyrinato]nickel(II)
作者:Lara C. Spencer、Shu A. Yao、John F. Berry、Ilia A. Guzei
DOI:10.1107/s010827011202642x
日期:2012.7.15
The title compound, [Ni(C45H28N4O)], crystallizes in the space groupI\overline4}2dand resides on a crystallographic fourfold rotoinversion axis with only a quarter of the complex in the asymmetric unit. The complex displays positional disorder as the one aldehyde group on the ligand can be located at four different positions. It was necessary to model this as compositional disorder to obtain a correct model and refinement. The practical approach to the refinement is explained.