(5R,5aR,8aS,9R)-8-oxo-9-(3,4,5-trimethoxyphenyl)-5,5a,6,8,8a,9-hexahydrofuro[3',4':6,7]naphtho[2,3-d][1,3]dioxol-5-yl 2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-methylbutanoate 在
哌啶 作用下,
以
乙腈 为溶剂,
反应 2.42h,
以56 mg的产率得到(5R,5aR,8aS,9R)-8-oxo-9-(3,4,5-trimethoxyphenyl)-5,5a,6,8,8a,9-hexahydrofuro[3',4':6,7]naphtho[2,3-d][1,3]dioxol-5-yl 2-amino-3-methylbutanoate