(1S,2R,4S,7S,8R)-2-(Hydroxyimino-methyl)-6-(4-methoxy-benzyl)-7-[2-(2-methoxy-ethoxymethoxy)-ethyl]-5-oxo-6,11-diaza-tricyclo[5.4.0.0
4,8]undecane-11-carboxylic acid tert-butyl ester 在
三光气 作用下,
生成
(1S,4S,7S,8R)-2-Cyano-6-(4-methoxy-benzyl)-7-[2-(2-methoxy-ethoxymethoxy)-ethyl]-5-oxo-6,11-diaza-tricyclo[5.4.0.04,8]undecane-11-carboxylic acid tert-butyl ester