三氟乙酸 、 6-Sulfooxy-2-(amino methyl)-7-oxo-1,6-diazabicyclo[3.2.1]octane 以
Water isopropylalcohol 为溶剂,
以to obtain zwitterion form, (2S, 5R)-6-sulfooxy-2-(aminomethyl)-7-oxo-1,6-diaza-bicyclo[3.2.1]octane (XI)的产率得到(2S, 5R)-6-sulfooxy-2-(aminomethyl)-7-oxo-1,6-diaza-bicyclo [3.2.1]octane