• 81902-52-5
    <3S-<3α(S*),4α>>-1-(2,4-dimethoxybenzyl)-3-(1-acetoxyethyl)-4-ethoxycarbonyl-2-azetidinone-4-carboxylic acid
  • 87392-18-5
    <3S-<3α(S*),4β>>-benzyl<3-(1-t-butyldimethylsilyloxyethyl)-2-azetidinone-4-yl>acetate

  • 参考文献

    Shiozaki; Ishida; Hiraoka; Yanagisawa Tetrahedron Letters, 1981, vol. 22, # 51 p. 5205 - 5208 doi: 10.1016/S0040-4039(01)92460-8

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