The Pinner triazine synthesis describes the preparation of 2-hydroxyl-4,6-diaryl-s-triazines by reaction of aryl amidines and phosgene. This reaction may be extended to halogenated aliphatic amidines.H. Schröder, C. Grundmann, J. Am. Chem. Soc. 78, 2447 (1956)E. M. Smolin, L. Rapoport, The Chemistry of Heterocyclic Compounds, A. Weissberger, Ed., s-Triazines and Derivatives (Interscience, NY, 1959) p186Merck Index 14th Ed.
This reaction was first reported by Adolf Pinner in 1890A. Pinner, Chemische Berichte., 23, 2919 (1890)
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