allyl (2S)-2-(2-mercapto-1,3-thiazol-4-yl)pyrrolidine-1-carboxylate 、 allyl (4R,5R,6S)-3-(diphenoxyphospholyloxy)-4-methyl-7-oxo-6-[(1R)-1-trimethylsilyloxyethyl]-1-azabicyclo[3.2.0]hepto-2-ene-2-carboxylate 在
sodium hydride 作用下,
生成
allyl (4R,5S,6S)-3-[(4-{(2S)-1-[(allyloxy)carbonyl]pyrrolidin-2-yl}-1,3-thiazol-2-yl)thio]-4-methyl-7-oxo-6-{(1R)-1-[(trimethylsilyl)oxy]ethyl}-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate