methyl (1R,4R,12S)-4-methyl-3,7-dioxo-5,10-diazatetracyclo[7.4.0.01,12.02,6]trideca-2(6),8-diene-4-carboxylate 、
4-Acetylamino-1-methyl-1H-imidazole-2-carboxylic acid [5-(imidazole-1-carbonyl)-1-methyl-1H-pyrrol-3-yl]-amide 在
sodium hydride 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
以38%的产率得到methyl (1R,4R,12S)-10-[4-[(4-acetamido-1-methylimidazole-2-carbonyl)amino]-1-methylpyrrole-2-carbonyl]-4-methyl-3,7-dioxo-5,10-diazatetracyclo[7.4.0.01,12.02,6]trideca-2(6),8-diene-4-carboxylate