55179-68-5

Upstream product

• 1122-85-6 phenyl cyanate 
• 95-54-5 1,2-diamino-benzene 
• 934-32-7 1H-benzimidazol-2-amine 

Downstream Products

• 55179-72-1 2-furan-2-yl-4-phenoxy-1,2-dihydro-benzo[4,5]imidazo[1,2-a][1,3,5]triazine 
• 90748-79-1 4-phenoxy-10H-benzimidazo<2,1-c><1λ⁴,2,4,6>thiatriazine 2-oxide 
• 88423-24-9 2-(4-Chlorbenzen+sulfonylimino)-4-phenoxy-10H<1λ⁴,2,4,6>thiatriazino<4,3-a>benzimidazol 
• 88423-22-7 2-Benzensulfonylimino-4-phenoxy-10H<1λ⁴,2,4,6>thiatriazino<4,3-a>benzimidazol 
• 88423-23-8 4-Phenoxy-2-tosylimino-10H<1λ⁴,2,4,6>thiatriazino<4,3-a>-benzimidazol 

Relevant academic research and scientific papers

Acylation of Heterocycles with Carbonic Acid Derivatives. I. Kinetics and Mechanism of the Reaction of 2-Aminobenzimidazoles with Aryl Cyanates

The second order rate constants for the reaction of 2-amino-benzimidazoles (2-ABI) with aryl cyanates forming 2-amino-benzimidazole aryl ester imide 3 have been determined in dependence on substituent effects by u. v. measurements.The results are interpreted by a six-membered cyclic transition state in which the electrophilic attack of the cyanate on the endocyclic N atom is catalyzed by an H bridge interaction of the exocyclic amino group of 2-ABI with the OCN group.

Structure and Reactivity of Heterosubstituted Nitriles. 24. Kinetics and Mechanism of the Reaction of o-Phenylen diamine with Aryl Cyanates

The second and third order rate constants for the reaction of o-phenylene diamine with aryl cyanates to 2-amino benzimidazole phenylester imide in water/dioxane have been determined by i.r. measurements.The reaction proceeds through a bimolecular and a trimolecular mechanism simultaneously.In the slow step of the bimolecular process an electrophilic attack of the aryl cyanate on o-phenylene diamine takes place in a seven membered cyclic transition state.The slow step of the trimolecular mechanism consists of a nucleophilic attack of the diamine on a phenole aryl cyanate associate by a six membered cyclic transition state.The final products of both reactions are formed by successive fast reactions.