diphenylmethyl 7α-methoxy-7β-(2-thienylacetylamino)-3β-methylthio-3α-chloromethyl-1-oxacepham-4α-carboxylate 、
5-mercapto-1-methyltetrazole sodium salt hydrate 以
甲醇 、
丙酮 为溶剂,
反应 0.67h,
以98%的产率得到diphenylmethyl 7α-methoxy-7β-(2-thienylacetylamino)-3α-(1-methyl-1H-tetrazol-5-yl)thiomethyl-3β-methylthio-1-oxacepham-4α-carboxylate