[(2R)-2-[(3aS,5R,6S,6aR)-3-butanoyl-6-(2,2-dimethylpropanoyloxy)-2-oxo-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,3R)-2-ethyl-3-hydroxyhexanoyl]-2-oxo-3a,5,6,6a-tetrahydrofuro[2,3-d][1,3]oxazol-5-yl]-2-(2,2-dimethylpropanoyloxy)ethyl] 2,2-dimethylpropanoate