m-Chloroperbenzoic acid → HCID 69506961, compound

Participants

Reaction Steps

The general method described in Parts I and J of Example 28 was used to aminate 1-[2,2-dimethyl-3-(2-methyl-[1,3]dioxolan-2-yl)propyl]-2-propyl-1H-imidazo[4,5-c]quinoline (3.10 g, 8.44 mmol) by reaction with m-CPBA (3.70 g) to provide 1-[2,2-dimethyl-3-(2-methyl-[1,3]dioxolan-2-yl)propyl]-5-oxido-2-propyl-1H-imidazo[4,5-c]quinoline followed by reaction with p-toluenesulfonyl chloride (2.80 g, 14.7 mmol) and ammonium hydroxide solution (100 mL) to provide 1-[2,2-dimethyl-3-(2-methyl-[1,3]dioxolan-2-yl)propyl]-2-propyl-1H-imidazo[4,5-c]quinolin-4-amine as off-white needles after recrystallization from aqueous methanol, mp 186-188° C.

Provenance & Evidence