(1S,5R,6R)-4-{3-[Dimethyl-(1,1,2-trimethyl-propyl)-silanyloxy]-benzyl}-6-hydroxymethyl-2-oxo-3,8-diaza-bicyclo[3.2.1]octane-8-carboxylic acid benzyl ester 在
溴 作用下,
以
二氯甲烷 为溶剂,
以78%的产率得到(1S,5R,6R)-4-{2-Bromo-5-[dimethyl-(1,1,2-trimethyl-propyl)-silanyloxy]-benzyl}-6-hydroxymethyl-2-oxo-3,8-diaza-bicyclo[3.2.1]octane-8-carboxylic acid benzyl ester