Pyridine → HCID 23499177, compound

Participants

Reaction Steps

To 2-(tert-Butyldimethylsilyl)-4-(hydroxyquinolin-4-yl-methyl)-imidazole-1-sulfonic acid dimethylamide (example 8, step A) (0.750 g, 1.62 mmol) in 8 ml of anhydrous toluene at 0° C., pyridine (0.16 ml, 1.94 mmol) was added followed by acetyl chloride (0.14 ml, 1.94 mmol). The solution was stirred at room temperature for two hours. It was cooled to 0° C. and ice cubes were added. The reaction mixture was partitioned between toluene (5 ml) and water (5 ml). The organic layer was dried over sodium sulfate, filtered, concentrated under reduced pressure and column purified (hexanes:EtOAc; 1:4) to give 0.84 g (100%) of the product.

Provenance & Evidence