Synthesis and Biological Evaluation of Heteroaryldiamides and Heteroaryldiamines as Cytotoxic Agents, Apoptosis Inducers and Caspase-3 Activators
作者:Mikel Echeverría、Beatriz Mendívil、Lucía Cordeu、Elena Cubedo、Jesús García-Foncillas、María Font、Carmen Sanmartín、Juan Antonio Palop
DOI:10.1002/ardp.200500220
日期:2006.4
The work described here involved the synthesis and biologicalevaluation of new heteroaryldiamides and heteroaryldiamines. A new general model in which the structures can be adjusted has been applied in this study. Three different structural units can be distinguished: a central nucleus and two symmetric terminal units. The central element is either an aliphatic chain of varying length and flexibility
Syntheses, Structures and Electrochemical Properties of Two New Copper(II) Complexes Based on Isomeric Bis(pyridylformyl)piperazine Ligands and Rigid=Flexible Organic Dicarboxylates
作者:Hong-Yan Lin、Peng Liu、Xiu-Li Wang、Chuang Xu、Guo-Cheng Liu
DOI:10.5560/znb.2013-2291
日期:2013.2.1
and bridging 4-bpfp ligands with 6-connected (44.610.8) topology. In 1 and 2, the ligands 3-bpfp and 4-bpfp adopt a μ2-bridging coordination mode (via ligation of pyridyl nitrogen atoms). The thermal stability and the electrochemicalproperties of the title complexes have been studied. Graphical Abstract Syntheses, Structures and ElectrochemicalProperties of Two New Copper(II) Complexes Based on Isomeric
Identification of a Heteroleptic Pd<sub>6</sub>L<sub>6</sub>L′<sub>6</sub> Coordination Cage by Screening of a Virtual Combinatorial Library
作者:Sylvain Sudan、Ru-Jin Li、Suzanne M. Jansze、André Platzek、Robin Rudolf、Guido H. Clever、Farzaneh Fadaei-Tirani、Rosario Scopelliti、Kay Severin
DOI:10.1021/jacs.0c12793
日期:2021.2.3
The design of structurally defined heteroleptic coordination cages is a challenging task, and only few examples are known to date. Here we describe a selection approach that allowed the identification of a novel hexanuclear Pd cage containing two types of dipyridyl ligands. A virtual combinatorial library of [PdnL2n](BF4)2n complexes was prepared by mixing six different dipyridyl ligands with substoichiometric
结构定义的异配协调笼的设计是一项具有挑战性的任务,迄今为止已知的例子很少。在这里,我们描述了一种选择方法,该方法允许识别包含两种类型的联吡啶配体的新型六核 Pd 笼。[PdnL2n](BF4)2n 复合物的虚拟组合库是通过将六种不同的联吡啶配体与亚化学计量的 [Pd(CH3CN)4](BF4)2 混合来制备的。平衡反应混合物的分析揭示了杂配[Pd6L6L'6](BF4)12 组装的优先形成。该配合物通过靶向合成以制备规模制备,并通过单晶 X 射线衍射阐明其结构。它具有前所未有的三角反棱镜笼结构,其中两个三角形 Pd3L3 大环由六个 L' 配体桥接。
Assembly and photocatalysis of two novel 3D Anderson-type polyoxometalate-based metal–organic frameworks constructed from isomeric bis(pyridylformyl)piperazine ligands
layer, which is further extended by the μ2-bridging L1 ligands (via ligation of pyridyl nitrogen atoms) to form a 3D MOF with a 4,6-connected 44·610·8}44·62} topology. Complex 2 is also a 3D POM-based MOF exhibiting a 42·84} topology, which is constructedfrom the quadridentate [CrMoVI5MoV(OH)6O18]4− polyoxoanions and μ4-bridging L2 ligands (via ligation of pyridyl nitrogen and carbonyl oxygen atoms)
Conformation of N,N′-bis(3-pyridylformyl)piperazine and spontaneous formation of a saturated quadruple stranded metallohelicate
作者:Himansu Sekhar Sahoo、Dillip Kumar Chand
DOI:10.1039/c0dt00337a
日期:——
Ligand N,N′-bis(3-pyridylformyl)piperazine, L1, exists in syn and anti conformers in solution state almost in equal proportion. Formation of a saturated quadruplestranded helicate is observed when Pd(NO3)2 is reacted with ligand L1. In the complexed form the ligand exists in a flattened boat conformation with anti form.