p-nitrobenzyl (2R,4R,5S,6S)-6-[1'(R)-hydroxyethyl]-4-methyl-3,7-dioxo-1-azabicyclo[3.2.0]heptan-2-carboxylate 、
7-(Pyridin-2-yl)methylthio-2-(tri-n-butylstannyl)imidazo [5,1-b]thiazole 生成 4-nitrobenzyl (1S,5R,6S)-6-((1R)-1-hydroxyethyl)-1-methyl-2-[7-(pyridin-2-yl)methylthioimidazo[5,1-b]thiazol-2-yl]-1-carbapen-2-em-3-carboxylate