5-mercapto-1-methyltetrazole sodium salt hydrate 、
diphenylmethyl 7α-methoxy-7β-(2-thienylacetylamino)-3β-phenylthio-3α-chloromethyl-1-oxacepham-4α-carboxylate 以
甲醇 、
丙酮 为溶剂,
反应 15.0h,
以59%的产率得到diphenylmethyl 7α-methoxy-7β-(2-thienylacetylamino)-3α-(1-methyl-1H-tetrazol-5-yl)thiomethyl-3β-phenylthio-1-oxacepham-4α-carboxylate