2-Pyridineboronic Acid is used in organic synthesis as a reagent in Suzuki cross-coupling reactions, for example in the synthesis of aryl- and heteroaryl-substituted 3-benzyloxyisothiazoles and novel fluorescent 3-aryl- and 3-methyl-7-aryl-[1,2,3]triazolo[1,5-a]pyridines.