benzhydryl (2S,3R,5R)-3-(carbamoyloxymethyl)-3-methyl-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62%的产率得到benzhydryl (2S,3R,5R)-3-(carbamoyloxymethyl)-6-[[4-(hydroxymethyl)pyridin-2-yl]methylidene]-3-methyl-4,4,7-trioxo-4lambda6-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate