Photochemistry and Redox Chemistry of an Unsymmetrical Bimetallic Copper(I) Complex | Zendy

Oliver Back | Zendy; Jana Leppin | Zendy; Christoph Förster | Zendy; Katja Heinze | Zendy

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Photochemistry and Redox Chemistry of an Unsymmetrical Bimetallic Copper(I) Complex

Author(s) -

Oliver Back,

Jana Leppin,

Christoph Förster,

Katja Heinze

Publication year - 2016

Publication title -

inorganic chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.348

H-Index - 233

eISSN - 1520-510X

pISSN - 0020-1669

DOI - 10.1021/acs.inorgchem.6b01400

Subject(s) - chemistry , bimetallic strip , copper , disproportionation , cuprate , imine , redox , amine gas treating , photochemistry , medicinal chemistry , inorganic chemistry , metal , catalysis , organic chemistry , physics , optoelectronics , doping

The bimetallic copper(I) complex Cu 2 L 2 (cis-1) is formed with high diasteroselectivity from [Cu(NCCH 3 ) 4 ][BF 4 ] and HL (4-tert-butyl phenyl(pyrrolato-2-yl-methylene)amine) in a kinetically controlled reaction. cis-1 features a rather short Cu···Cu distance of 2.4756(6) Å and is weakly emissive at room temperature in solution. Oxidatively triggered disproportionation of cis-1 yields elemental copper and the mononuclear copper(II) complex CuL 2 (trans-2). One-electron reduction of trans-2 gives cuprate [2] - with a bent bis(pyrrolato) coordinated copper(I) entity. The imine donor atoms of [2] - can insert an additional copper(I) ion giving exclusively the bimetallic complex cis-1 closing the oxidation-elimination-reduction-insertion cycle.

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