Reagent used for 1. Palladium-catalyzed direct arylation of pyrazoles with phenylboronic acids 2. Pd-catalyzed arylation using Suzuki-Miyaura cross-coupling in water ? Ruthenium catalyzed direct arylation reactions ? Ligand-free copper-catalyzed coupling reactions 3. Copper-catalyzed cross-coupling reactions of diaryl diselenides 4. Phosphine-free Suzuki-Miyaura cross-coupling reactions 5. Rhodium-catalyzed asymmetric 1,4-addition reactions Reagent used for 1. Palladium-catalyzed direct arylation of pyrazoles with phenylboronic acids 2. Pd-catalyzed arylation using Suzuki-Miyaura cross-coupling in water ? Ruthenium catalyzed direct arylation reactions ? Ligand-free copper-catalyzed coupling reactions 3. Copper-catalyzed cross-coupling reactions of diaryl diselenides 4. Phosphine-free Suzuki-Miyaura cross-coupling reactions 5. Rhodium-catalyzed asymmetric 1,4-addition reactions