352216-36-5Relevant academic research and scientific papers
Fluoro-containing heterocycles. IV. Synthesis of benzimidazole derivatives
Kotovskaya,Perova,Baskakova,Romanova,Charushin,Chupakhin
, p. 564 - 569 (2007/10/03)
2-Mercapto-5,6-difluorobenzimidazole reacts with aliphatic and alicyclic ketones in acetic acid in the presence of catalytic amount of sulfuric acid to afford fluorinated derivatives of 2,3-disubstituted benz[4,5]imidazo[2,1-b][1,3]thiazoles. Reaction with aromatic α-haloketones occurs in another way: to furnish 2-phenylacylthio-5,6-difluorobenzimidazoles that in the system acetic anhydride - pyridine undergo cyclization into the corresponding fluorinated derivatives of benz[4,5]imidazo[2,1-b][1,3]thiazoles.
