Synthesis and structure of bidentate NHC-metal complexes with xanthene skeleton: the formation of cis and trans complexes

We synthesized new bidentate N-heterocyclic carbene Ag and Rh complexes with xanthene skeleton. The structural of the complexes were analyzed by NMR spectroscopy and X-ray crystallography. The complexes adopted cis or trans configuration, depending on the structure of the ligand.

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