[(2R)-2-[(3aS,5R,6S,6aR)-6-(2,2-dimethylpropanoyloxy)-2-oxo-3-propanoyl-3a,5,6,6a-tetrahydrofuro[2,3-d][1,3]oxazol-5-yl]-2-(2,2-dimethylpropanoyloxy)ethyl] 2,2-dimethylpropanoate 在
N,N-二异丙基乙胺 作用下,
反应 1.83h,
生成 [(2R)-2-[(3aS,5R,6S,6aR)-6-(2,2-dimethylpropanoyloxy)-3-[(2S,3S)-3-hydroxy-2-methyl-3-phenylpropanoyl]-2-oxo-3a,5,6,6a-tetrahydrofuro[2,3-d][1,3]oxazol-5-yl]-2-(2,2-dimethylpropanoyloxy)ethyl] 2,2-dimethylpropanoate