prov:value
| - The preparation of two inventive iridium complexes having N-heterocyclic carbene ligands is shown below by way of example: Imidazolinylidene complex: X??? is an anionic group, preferably a halide, pseudohalide or another monoanionic group, for example Cl???, Br???, I???, BF4 ???, PF6 ???, CN???, SCN???, more preferably BF4 ???, PF6 ???.
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