三氟甲磺酸三甲基硅酯 、
DNA荧光探针前驱体,DNA小沟配体 、 4-[(4-amino-1-methyl-1H-imidazole-2-carbonyl)-amino]-1-methyl-1H-pyrrole-2-carboxylic acid methyl ester 、
disodium;carbonate 在
氯仿 、 1-methyl-4-[(1-methyl-1H-imidazole-2-carbonyl)-amino]-1H-imidazole-2-carbonyl chloride 、
magnesium sulfate 作用下,
以
乙腈 、
氯仿 、
水 为溶剂,
反应 0.25h,
以to afford a 59% yield (240 mg) of 1-methyl-4-{[1-methyl-4-({1-methyl-4-[(1-methyl-1H-imidazole-2-carbonyl)-amino]-1H-imidazole-2-carbonyl}-amino)-1H-imidazole-2-carbonyl]-amino}-1H-pyrrole-2-carboxylic acid methyl ester as a very pure off-white solid的产率得到1-methyl-4-{[1-methyl-4-({1-methyl-4-[(1-methyl-1H-imidazole-2-carbonyl)-amino]-1H-imidazole-2-carbonyl}-amino)-1H-imidazole-2-carbonyl]-amino}-1H-pyrrole-2-carboxylic acid methyl ester