Abstract
An original formation of one C–N bond and one C–C bond on the same carbenic center has been developed. This approach involves a copper-catalyzed cross-coupling reaction between 2′-bromo-biaryl-N-tosylhydrazones and different amines leading to 9H-fluoren-9-amine derivatives. This reaction proceeds under mild conditions in glycerol, an inexpensive and environmentally friendly solvent, without adding any external ligand.
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