3-cyanophenyl cycanate 、 tert-butyl 1-(4-(4-amino-1-(4-aminobutyl)-2-butyl-1H-imidazo[4,5-c]quinolin-8-yl)piperazin-1-yl)-3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57,60,63,66,69,72-tetracosaoxapentaheptacontan-75-oate 以
N,N-二甲基甲酰胺 为溶剂,
反应 16.0h,
以70%的产率得到tert-butyl 1-(4-(4-amino-2-butyl-1-(4-(3-(3-cyanophenyl)ureido)butyl)-1H-imidazo[4,5-c]quinolin-8-yl)piperazin-1-yl)-3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57,60,63,66,69,72-tetracosaoxapentaheptacontan-75-oate