Transition metal complexes of 3-cyano- and 3-nitroformazans

Inorganic Chemistry
Joe B GilroyRobin G Hicks

Abstract

The synthesis and characterization of six transition metal complexes of 3-cyano- and 3-nitroformazans are described. Three different formazans were reacted with nickel(II) to produce complexes with bidentate formazan ligands. Mononuclear NiL2 (L = deprotonated formazan) or binuclear hydroxo-bridged (LNi)2(mu-OH) 2 species were produced depending on the steric bulk on the formazan N-aromatic substituents. 1,5-Bis(2-methoxyphenyl)-3-cyanoformazan acts as a tetradentate monoanionic ligand in a copper(II) complex, whereas the analogous 1,5-bis(2-hydroxyphenyl)-3-cyanoformazan binds as a trianion in a tetradentate manner to Fe(III) and Co(III). Crystal structures-the first examples of metal complexes of cyano- or nitroformazans-as well as the electronic spectra of the complexes are discussed in relation to each other as well as that of the uncoordinated formazans.

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Citations

Dec 26, 2015·Inorganic Chemistry·Evanta KabirThomas S Teets
Dec 15, 2015·Dalton Transactions : an International Journal of Inorganic Chemistry·W SchornJ Sundermeyer
Apr 18, 2018·Chemistry : a European Journal·Daniël L J BroerePatrick L Holland
Sep 6, 2018·Dalton Transactions : an International Journal of Inorganic Chemistry·Francesca MiloccoBarbara Milani
Feb 25, 2010·Dalton Transactions : an International Journal of Inorganic Chemistry·Jeffrey P WikstromElena V Rybak-Akimova
Dec 6, 2019·Chemical Society Reviews·Joe B Gilroy, Edwin Otten
Sep 24, 2015·Chemistry : a European Journal·Ryan R MaarJoe B Gilroy
Oct 30, 2014·Dalton Transactions : an International Journal of Inorganic Chemistry·Raquel Travieso-PuenteEdwin Otten
Jul 30, 2014·Chemistry : a European Journal·Stephanie M BarbonJoe B Gilroy
Oct 11, 2019·Dalton Transactions : an International Journal of Inorganic Chemistry·Jasveer S DhindsaJoe B Gilroy
Sep 30, 2017·Inorganic Chemistry·Ryan R MaarJoe B Gilroy
Jul 25, 2018·Inorganic Chemistry·Ge MuThomas S Teets
Aug 21, 2019·Inorganic Chemistry·Evanta KabirThomas S Teets
Jun 25, 2015·Inorganic Chemistry·Natalia A ProtasenkoVladimir K Cherkasov

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