Carbamates of Polyamines – Versatile Building Blocks for the Construction of Polynuclear Metal Complexes

2008 ◽  
Vol 2008 (7) ◽  
pp. 1019-1021 ◽  
Author(s):  
Christian Neis ◽  
Thomas Weyhermüller ◽  
Eckhard Bill ◽  
Stefan Stucky ◽  
Kaspar Hegetschweiler
Keyword(s):  
Metal Complexes ◽  
Building Blocks ◽  
Polynuclear Metal Complexes

Protected building blocks for luminescent and redox-active dendritic metal complexes. Excited state properties and electrochemical behaviour

1995 ◽  
Vol 73 (11) ◽  
pp. 1875-1882 ◽  
Author(s):  
Alberto Juris ◽  
Margherita Venturi ◽  
Luca Pontoni ◽  
Immaculada Resino Resino ◽  
Vincenzo Balzani ◽  
...  
Keyword(s):  
Excited State ◽  
Metal Complexes ◽  
Absorption Spectra ◽  
Electrochemical Behavior ◽  
Electrochemical Behaviour ◽  
Building Blocks ◽  
Mononuclear Complexes ◽  
Redox Active ◽  
Polynuclear Metal Complexes ◽  
Fundamental Units

The mononuclear complexes [Ru(2,3-Medpp)3]5+, [Ru(2,3-Medpp)2(bpy)]4+, and [Ru(2,3-Medpp)(bpy)2]3+ and the dinuclear complex [(2,3-Medpp)2Ru(μ-2,3-dpp)Ru(2,3-Medpp)2]8+ (bpy = 2,2′-bipyridine; 2,3-dpp = 2,3-bis(2-pyridyl)pyrazine; 2,3-Medpp+ = monomethylated 2,3-bis(2-pyridyl)pyrazine) have been synthesized. Their absorption spectra, luminescence properties, and electrochemical behavior have been investigated and compared with those of the mononuclear [Ru(bpy)3]2+, [Ru(2,3-dpp)3]2+, [Ru(2,3-dpp)2(bpy)]2+, and [Ru(2,3-dpp)(bpy)2]2+ and the dinuclear [(bpy)2Ru(μ-2,3-dpp)Ru(bpy)2]4+ parent compounds. The complexes examined are fundamental units in the synthesis of polynuclear metal complexes of dendrimeric structure and nanometer size. Keywords: luminescence, ruthenium complexes, dendrimers, electrochemistry, photochemistry.

2,2':6',2''-Terpyridine metal complexes as building blocks for extended functional metallo-supramolecular assemblies and polymers

2001 ◽  
Vol 121 (1-3) ◽  
pp. 1249-1252 ◽  
Author(s):  
U.S. Schubert ◽  
C. Eschbaumer ◽  
P. Andres ◽  
H. Hofmeier ◽  
C.H. Weidl ◽  
...  
Keyword(s):  
Metal Complexes ◽  
Building Blocks ◽  
Supramolecular Assemblies

1,10-Phenanthrolines: versatile building blocks for luminescent molecules, materials and metal complexes

2009 ◽  
Vol 38 (6) ◽  
pp. 1690 ◽  
Author(s):  
Gianluca Accorsi ◽  
Andrea Listorti ◽  
K. Yoosaf ◽  
Nicola Armaroli
Keyword(s):  
Metal Complexes ◽  
Building Blocks

Symmetrical tetra-β″-sulfoleno-meso-aryl-porphyrins — synthesis, spectroscopy and structural characterization

2014 ◽  
Vol 18 (01n02) ◽  
pp. 115-122 ◽  
Author(s):  
Srinivas Banala ◽  
Klaus Wurst ◽  
Bernhard Kräutler
Keyword(s):  
Metal Complexes ◽  
Crystal Structures ◽  
Structural Characterization ◽  
Building Blocks ◽  
Cycloaddition Reactions ◽  
One Pot

We report here the preparation (in "one-pot") of a tetra-β″-sulfoleno-meso-aryl-porphyrin in about 80% yield by using an optimized modification of Lindsey's variant of the Adler–Longo approach. The Zn ( II )-, Cu ( II )- and Ni ( II )-complexes of the symmetrical porphyrin were prepared and characterized spectroscopically. Crystal structures of the fluorescent Zn ( II )- and of the non-fluorescent Ni ( II )-tetra-β″-sulfoleno-meso-aryl-porphyrinates showed the highly substituted porphyrin ligands to be nearly perfectly planar. The Zn ( II )-complex of this porphyrin has been used as a thermal precursor of a reactive diene, and — formally — of lateral and diagonal bis-dienes, of a tris-diene and of a tetra-diene, which all underwent [4 + 2]-cycloaddition reactions in situ with a range of dienophiles. Thus, the tetra-β″-sulfoleno-meso-aryl-porphyrin and its metal complexes represent reactive building blocks, "programmed" for the syntheses of symmetrical and highly functionalized porphyrins.

Sign in / Sign up

Export Citation Format

Share Document