scholarly journals Efficient new synthetic route to bidentate, monomeric cyclopentadienyl-amide complexes of Group 4 transition metals: synthesis and characterization of the zirconium and hafnium complexes [[.eta.5:.sigma.-C5H4(CH2)3NMe]MX2(NHMe2)] (X = Cl, I, M = Zr; X = I, M = Hf) and [[.eta.5:.sigma.-C5H4(CH2)3NMe]ZrX2] (X = NMe2, CH2Ph, CH2SiMe3, BH4) and molecular structure of [[.eta.5:.sigma.-C5H4(CH2)3NMe]ZrCl(CH2Ph)]2

1993 ◽  
Vol 12 (5) ◽  
pp. 1936-1945 ◽  
Author(s):  
Andrew K. Hughes ◽  
Auke Meetsma ◽  
Jan H. Teuben
Keyword(s):  
Molecular Structure ◽  
Transition Metals ◽  
Synthesis And Characterization ◽  
Synthetic Route ◽  
Group 4

scholarly journals Arene Ruthenium Metalla-Assemblies with Anthracene Moieties for PDT Applications

Inorganics ◽  
2018 ◽  
Vol 6 (3) ◽  
pp. 97 ◽  
Author(s):  
Marie Gaschard ◽  
Farzaneh Nehzat ◽  
Thomas Cheminel ◽  
Bruno Therrien
Keyword(s):  
Molecular Structure ◽  
Single Crystal ◽  
General Formula ◽  
Structure Analysis ◽  
White Light ◽  
Light Irradiation ◽  
Synthesis And Characterization ◽  
X Ray

The synthesis and characterization of three metalla-rectangles of the general formula [Ru4(η6-p-cymene)4(μ4-clip)2(μ2-Lanthr)2][CF3SO3]4 (Lanthr: 9,10-bis(3,3’-ethynylpyridyl) anthracene; clip = oxa: oxalato; dobq: 2,5-dioxido-1,4-benzoquinonato; donq: 5,8-dioxido-1,4-naphthoquinonato) are presented. The molecular structure of the metalla-rectangle [Ru4(η6-p-cymene)4(μ4-oxa)2(μ2-Lanthr)2]4+ has been confirmed by the single-crystal X-ray structure analysis of [Ru4(η6-p-cymene)4(μ4-oxa)2(μ2-Lanthr)2][CF3SO3]4 · 4 acetone (A2 · 4 acetone), thus showing the anthracene moieties to be available for reaction with oxygen. While the formation of the endoperoxide form of Lanthr was observed in solution upon white light irradiation, the same reaction does not occur when Lanthr is part of the metalla-assemblies.

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