N -Imidoylamidines

Cyanoformamidines 10 1,1 -Cyanohydrazines a-Cyanohydrazines 10 a-Cyanohydrazones Diamidides N-Imidoylamidines 20 a,a-Diaminonitriles N, N - Dicy anamides Enazides Enetriazenes... 

Synthesis of the 3,5-dipyridylthiatriazinyl radical 93 requires reaction of the imidoylamidine 90 with S2CI2 in boiling MeCN to afford the bis(N-bridgehead-l,2,5-thiadiazolium) dication 91, which on treatment with Ph3Sb undergoes a two-electron reduction to afford the 1,2,4,6-thia-triazine 92. Subsequent oxidation with half an equivalent of I2 in the presence of base, affords radical 93 (Scheme 13) (2014CC4934). 

A number of patents and papers dealing with the synthesis of fluorinated jym-triazines and related triazine-linked polymers via cyclotrimerization of fluoroalkyl cyanides,or cyclization reactions of per- and poly-fluoro-imidoylamidines (see p. 15), and the use of tris(perfluoroalkyl)-s3 /n-... 

---