光气 、
α-[2-choro-4-fluoro-5-(4-methoxypyrazolidinyl-thiocarbonylamino)-phenylthio]-acetic acid methyl ester 在
水 、 作用下,
以
甲苯 为溶剂,
反应 2.0h,
以to yield 2.21 g of the desired product, 8-(4-chloro-2-fluoro-5-methoxy-carbonylmethylthio-phenylimino)-3-methoxy-7-thia-1,5-diazabicyclo[3.3.0]octan-6-one的产率得到8-(4-Chloro-2-fluoro-5-methoxycarbonylmethylthio-phenyl-imino)-3-methoxy-7-thia-1,5-diazabicyclo[3.3.0]octan-6-one