tert-butyl 2-[4-amino-2-(chloromethyl)-1H-imidazo[4,5-c]quinolin-1-yl]ethylcarbamate 、
N-羟基邻苯二甲酰亚胺 以to provide 6.37 g of tert-butyl (2-{4-amino-2-[(1,3-dioxo-1,3-dihydroisoindol-2-yl)oxymethyl]-1H-imidazo[4,5-c]quinolin-1-yl}ethyl)carbamate as a yellow solid的产率得到tert-butyl (2-{4-amino-2-[(1,3-dioxo-1,3-dihydroisoindol-2-yl)oxymethyl]-1H-imidazo[4,5-c]quinolin-1-yl}ethyl)carbamate