上游原料
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(5R,6S)-6-<(1R)-hydroxyethyl>-2-(4-aminobutan-1-yl)-2-penem-3-carboxylic acid
CAS号：81274-98-8
英文名：(5R,6S)-6-<(1R)-hydroxyethyl>-2-(4-aminobutan-1-yl)-2-penem-3-carboxylic acid
分子式：C12H18N2O4S
分子量：286.347
上游原料
p-nitrobenzyl (5R,6S)-6-<(1R)-hydroxyethyl>-2-(4-p-nitrobenzyloxycarbonylaminobutan-1-yl)-2-penem-3-carboxylate
p-nitrobenzyl (5R,6S)-6-<(1R)-(tert-butyldimethylsiloxy)ethyl>-2-(2-p-nitrobenzyloxycarbonylaminoethyl)-2-penem-3-carboxylate
p-nitrobenzyl 2-<(3S,4R)-3-<(1R)-(tert-butyldimethylsiloxy)ethyl>-4-(3-p-nitrobenzyloxycarbonylaminopropionylthio)-2-oxoazetidin-1-yl>-2-triphenylphosphoranylideneacetate
(2S,5R,6S)-6-Bromo-6-[1-(tert-butyl-dimethyl-silanyloxy)-ethyl]-3,3-dimethyl-7-oxo-4-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid methyl ester
p-nitrobenzyl 2-<(3S,4R)-3-<(1R)-(tert-butyldimethylsiloxy)ethyl>-4-(3-p-nitrobenzyloxycarbonylaminopropionylthio)-2-oxoazetidin-1-yl>-2-hydroxyacetate
(3S,4R)-3-<(1R)-(tert-butyldimethylsiloxy)ethyl>-4-<3-(p-nitrobenzyloxycarbonylamino)propionylthio>azetidin-2-one
