1-carbamoylmethyl-1-azonia-4-aza-bicyclo[2.2.2]octane trifluoromethanesulfonate 、
(4-nitrophenyl)methyl (4S,5R,6S)-4-methyl-7-oxo-3-[9-oxo-7-(propylsulfonyloxymethyl)fluoren-3-yl]-6-[(1R)-1-triethylsilyloxyethyl]-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate 在
sodium iodide 作用下,
以
乙腈 为溶剂,
反应 20.0h,
以93%的产率得到[4S-(4α,5β,6β(S*))]-1-(2-amino-2-oxoethyl)-({6-[4-methyl-2-({[(4-nitrophenyl)methyl]oxy}carbonyl)-7-oxo-6-{1-[(triethylsilyl)oxy]ethyl}-1-azabicyclo[3.2.0]hept-2-en-3-yl]-9-oxo-9H-fluoren-2-yl}methyl)-1,4-diazaniabicyclo[2.2.2]octane 1-propanesulp...