678 (1935). discloses the reaction of I with aniline which produces N, N'- diphenylformamidine. Grundmann and Ratz3 and, independently, Dr. Hechenbleikner in our laboratory have also shown the reaction of sym-triazine with ammonium chloride to be very clean and to lead to formamidine hydrochloride in essentially quantitative yield. Application of this degradation reaction for the preparation of such heterocyclic formamidines as ...