反应详情

A solution of salicylaldehyde derivative 1 (0.5 mmol) and diamine 2 (0.176 g, 0.5 mmol) in dimethylacetamide (4 mL) was stirred at 100° C. for 12 h. Solvent was evaporated and the residue was purified by preparative HPLC to give benzimidazole derivative 3.

1. customSolvent was evaporated
2. customthe residue was purified by preparative HPLC