73109-63-4

Upstream product

• 21440-72-2 5-phenyl-1,2-diamino-1,3,4-triazole 
• 134-81-6 benzil 
• 21383-24-4 (5,6-diphenyl-[1,2,4]triazin-3-yl)-hydrazine 
• 98-88-4 benzoyl chloride 
• 613-90-1 benzoyl cyanide 
• 21383-24-4 5,6-diphenyl-1,2,4-triazin-3(2H)-one hydrazone 
• 37469-24-2 5,6-diphenyl-4H-[1,2,4] triazine-3-thione 

Relevant academic research and scientific papers

Chemical reactivity of 3-hydrazino-5,6-diphenyl-1,2,4-triazine towards π-acceptors activated carbonitriles

Behaviour of 3-hydrazino-5,6-diphenyl-1,2,4-triazine 1 as electron donor towards different electron acceptors activated carbonitriles has been investigated and a novel fused heterocyclic system and 2,3-disubstituted 1,2,4-triazines have been obtained. Compound 1 reacts with 1,2-dicyanobenzene as π-acceptor in DMF to form benzencarboximidamide 16, while reaction of 1 with a-bromomalononitrile 17 in boiling DMF affords compound 18. On the other hand, compound 1 reacts with tetracyanoethane 23 in DMF to yield compound 24. The route of reaction in DMF indicates that charge-transfer complexation is the key intermediate to obtain new heterocyclic systems. Structures of the products are established by MS, IR, UV-Vis, CHN and 1H NMR spectral data.