%0 Journal Article %1 Kaim.2002d %A Kaim, Wolfgang. %D 2002 %J Coordination Chemistry Reviews %K complex metal review tetrazine transition %N 1-2 %P 127--139 %R 10.1016/S0010-8545(02)00044-9 %T The coordination chemistry of 1,2,4,5-tetrazines %V 230 %X A review is given on the coordination chem. of 1,2,4,5-tetrazines. 1,2,4,5-Tetrazine and its 3,6-disubstituted derivs. exhibit a particular coordination chem., characterized by electron and charge transfer phenomena and by the ability of these heteroatom-rich ligands to bridge metal centers in various ways. A very low-lying p orbital localized at the four nitrogen atoms is responsible for intense low-energy charge transfer absorptions, elec. cond. of coordination polymers, unusual stability of paramagnetic radical or mixed-valent intermediates and for often well-resolved EPR hyperfine structure in the radical complexes. Substituted 1,4-dihydro-1,2,4,5-tetrazines also were used as bridging ligands. The structural consequences of electron transfer as well as the capability for efficient and variable metal-metal bridging render the tetrazines as valuable components of supramol. materials. on SciFinder(R)

@article{Kaim.2002d, abstract = {A review is given on the coordination chem. of 1,2,4,5-tetrazines. 1,2,4,5-Tetrazine and its 3,6-disubstituted derivs. exhibit a particular coordination chem., characterized by electron and charge transfer phenomena and by the ability of these heteroatom-rich ligands to bridge metal centers in various ways. A very low-lying \textgreek{p} orbital localized at the four nitrogen atoms is responsible for intense low-energy charge transfer absorptions, elec. cond. of coordination polymers, unusual stability of paramagnetic radical or mixed-valent intermediates and for often well-resolved EPR hyperfine structure in the radical complexes. Substituted 1,4-dihydro-1,2,4,5-tetrazines also were used as bridging ligands. The structural consequences of electron transfer as well as the capability for efficient and variable metal-metal bridging render the tetrazines as valuable components of supramol. materials. [on SciFinder(R)]}, added-at = {2019-07-15T13:41:23.000+0200}, author = {Kaim, Wolfgang.}, biburl = {https://puma.ub.uni-stuttgart.de/bibtex/2d8d1731e40d9f2a8c26e4cbf7c8271eb/b_schwederski}, doi = {10.1016/S0010-8545(02)00044-9}, interhash = {0c4b15dae0e006cc8cb50a1483a36ecc}, intrahash = {d8d1731e40d9f2a8c26e4cbf7c8271eb}, issn = {0010-8545}, journal = {Coordination Chemistry Reviews}, keywords = {complex metal review tetrazine transition}, number = {1-2}, pages = {127--139}, timestamp = {2019-07-15T11:42:10.000+0200}, title = {The coordination chemistry of 1,2,4,5-tetrazines}, volume = 230, year = 2002 }