反应详情

Pure 1,2-dimethyl 5,6-dinitro benzimidazole (0.7 grams) and 0.2 grams Pd/C in 20 ml ethanol and 20 ml glacial acetic acid were hydrogenated for 4 hours. Filtering and evaporating resulted in 0.5 grams, 95% yield of a white solid having a melting point of 212° C.

1. filtrationFiltering
2. customevaporating