(6
R)-7
t-(3,5-di-
tert-butyl-4-hydroxy-benzylideneamino)-7
c-methoxy-3-(1-methyl-1
H-tetrazol-5-ylsulfanylmethyl)-8-oxo-(6
rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid; benzyl-trimethyl-ammonium salt 在
苯肼 、
N,N-二乙基苯胺 作用下,
以
乙酸乙酯 、
1,2-二氯乙烷 为溶剂,
生成
(6R)-7t-(2-cyanomethylsulfanyl-acetylamino)-7c-methoxy-3-(1-methyl-1H-tetrazol-5-ylsulfanylmethyl)-8-oxo-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid; dicyclohexylamine salt