Copper(I) Complexes of Phenanthro‐Annulated N‐Heterocyclic Carbenes: Synthesis and Transmetalation Reactions | Zendy

Mormul Jaroslaw | Zendy; Steimann Manfred | Zendy; Nagel Ulrich | Zendy

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Copper(I) Complexes of Phenanthro‐Annulated N‐Heterocyclic Carbenes: Synthesis and Transmetalation Reactions

Author(s) -

Mormul Jaroslaw,

Steimann Manfred,

Nagel Ulrich

Publication year - 2014

Publication title -

european journal of inorganic chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.667

H-Index - 136

eISSN - 1099-0682

pISSN - 1434-1948

DOI - 10.1002/ejic.201301499

Subject(s) - transmetalation , chemistry , rhodium , carbene , copper , acetonitrile , chloroform , medicinal chemistry , polymer chemistry , aqueous solution , organic chemistry , inorganic chemistry , catalysis

Copper(I) complexes with phenanthro‐annulated N‐heterocyclic carbene ligands were prepared by reaction of imidazolium salts with copper(I) oxide. Transmetalation of the copper complexes with [RhCl(cod)] 2 in usual solvents like CH 2 Cl 2 led to an equilibrium between the reactants and the products. For rhodium complexes 4 and 5 this equilibrium could be shifted to the product side by carrying out the reaction in acetonitrile. The ester functionalized rhodium complex 6 was prepared in a two phase mixture of chloroform and aqueous CaCl 2 starting from copper complex 3c . The rhodium complexes were characterized by NMR and X‐ray measurements.

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