m-Chloroperbenzoic acid → HCID 68929891, 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-methyl-1H-imidazo[4,5-c]quinoline (5.80 g, 17.1 mmol) by reaction with m-CPBA (7.5 g) to provide 1-[2,2-dimethyl-3-(2-methyl-[1,3]dioxolan-2-yl)propyl]-2-methyl-5-oxido-1H-imidazo[4,5-c]quinoline followed by reaction with p-toluenesulfonyl chloride (5.7 g, 30 mmol) and ammonium hydroxide solution (150 mL) to provide 1-[2,2-dimethyl-3-(2-methyl-[1,3]dioxolan-2-yl)propyl]-2-methyl-1H-imidazo[4,5-c]quinolin-4-amine as a light brown solid after recrystallization from a mixture of acetonitrile, methanol, and water, mp 209-211° C.

Provenance & Evidence