benzhydryl (2S,5R,6Z)-3,3-dimethyl-6-[[4-(4-nitrophenoxy)carbonylpyridin-2-yl]methylidene]-4,4,7-trioxo-4lambda6-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate 在
sodium tetrahydroborate 、
乙醇 作用下,
以
四氢呋喃 为溶剂,
以37%的产率得到benzhydryl (2S,5R,6Z)-6-[[4-(hydroxymethyl)pyridin-2-yl]methylidene]-3,3-dimethyl-4,4,7-trioxo-4lambda6-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate