s-Tetrazines as Building Blocks for New Functional Molecules and Molecular Materials A review. S-Tetrazines are long ago discovered mols., whose first report dates back to the end of the 19th century. The first synthesis was reported by Pinner, who reacted equimolar quantities of hydrazine and benzonitrile and, after easy oxidn., isolated a red compd. to which he assigned (rightfully by the way) the formula for 3,6-diphenyl-s-tetrazine from elemental anal. Pinner prepd.
