HCID 21540634, compound → HCID 21540640, compound

Participants

Reaction Steps

6-Chloro-1-ethyl-7-nitro-5-trifluoromethylbenzimidazole (3.54g.; 0.012 mole; m.p. 126.5°-128°C.) was hydrogenated in the presence of platinum oxide catalyst in accordance with the procedure of Example IV. The product was obtained as a white crystalline solid (1.54g.; 48.9%) which, after recrystallization from a CCl4 --CHCl3 mixture, melts at 191.5°-193°C.

Provenance & Evidence