反应详情

By using the procedure described in Step-4 of Example-1 above, and by using tetrabutylammonium salt of trans-3-[N′-(6-sulfooxy-7-oxo-1,6-diaza-bicyclo[3.2.1]octane-2-carbonyl)-hydrazinocarbonyl]-(R)-piperidin-1-carboxylic acid tert-butyl ester (24 gm, 0.032 mmol), dichloromethane (60 ml) and trifluoroacetic acid (60 ml) to provide the title compound in 10 gm quantity as a white solid, in 79% yield.