4-Nitrobenzyl (1s,5r,6s)-6-((1r)-1-hydroxyethyl)-1-methyl-2-[7-(6-methylpyridin-3-yl)carbonylimidazo[5,1-b]thiazol-2-yl]-1-carbapen-2-em-3-carboxylate 、
三氟甲烷磺酸甲酯 在
ice 作用下,
以
二氯甲烷 为溶剂,
反应 0.5h,
以to give 110 mg of 4-nitrobenzyl (1S,5R,6S)-2-[7-(1,6-dimethylpyridinium-3-yl)carbonylimidazo[5,1-b]thiazol-2-yl]-6-((1R)-1-hydroxyethyl)-1-methyl-1-carbapen-2-em-3-carboxylate trifluoromethanesulfonate的产率得到4-Nitrobenzyl (1s,5r,6s)-2-[7-(1,6-dimethylpyridinium-3-yl)carbonylimidazo[5,1-b]thiazol-2-yl]-6-((1r)-1-hydroxyethyl)-1-methyl-1-carbapen-2-em-3-carboxylate trifluoromethanesulfonate