1-Chloro-4-nitrobenzene → HCID 131716828, compound

Participants

Reaction Steps

0.1 mole of 2,5-diaminopyridine, 0.43 mole of p-nitrochlorobenzene, 0.23 mol of anhydrous potassium carbonate, and 2 parts by weight of powdery copper in 130 parts of dimethylformamide was refluxed with stirring for 4 days. After the reaction, the reaction mixture was filtered. The filtered matter was washed with dimethyformamide, water, and acetone, and was dried to obtain 26 parts of tetrakis(p-nitrophenyl)-2,5-diaminopyridine.

Provenance & Evidence