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Rhodium mediated C-H insertion of alpha-aryl-alpha-diazoketone to construct cyclopentane with a quarternary carbon center.

Rh/phosphoramidate ligand mediated asymmetric, intramolecular cyclization of a tethered alkene that is linked to phenyl ring via oxygen or methylene, onto the phenyl ring, directed by pendant ketimine moiety.

alpha sulfonyl diazonium undergoes C-H insertion to form C-C bond; note the in situ carbene formation by the way of iodonium ylide thereby obviating the synthesis of diazo intermediate.

RhI catalyzed functionalization N-heteroaromatic compound via oxidation addition of Rh I to acid chloride, followed by decarbonylation and subsequent displacement of chloride with N-heteroaromatic compound and reductive elimination to effect regioselective arylation of the N-heteroaromatic compound.