(2S,5R,6S)-3,3-dimethyl-2-<(2,2-dimethyl-1-oxo)propoxy>methoxycarbonyl-6-oxomethyl-6-methoxy-7-oxo-4-thia-1-azabicyclo<3.2.0>heptane 在
sodium tetrahydroborate 作用下,
以
1,4-二氧六环 为溶剂,
反应 0.5h,
以23%的产率得到(2S,5R,6S)-3,3-dimethyl-2-<(2,2-dimethyl-1-oxo)propoxy>methoxycarbonyl-6-hydroxymethyl-6-methoxy-7-oxo-4-thia-1-azabicyclo<3.2.0>heptane