One-Pot and Step-by-Step N-Assisted CPh−H Activation in 2-(4-Bromophenyl)imidazol[1,2-a]pyridine: Synthesis of a New C,N-Cyclometalated Compound [Pt(C∧N)(μ-Cl)2] as Precursor of Luminescent Platinum(II) Compounds | Publicación