racemic 1,1-dimethylethyl ((3S,4R)-1-{2-[3-fluoro-6-(methyloxy)-[1,5]naphthyridin-4-yl]-3-hydroxypropyl}-3-hydroxy-4-piperidinyl)carbamate 在
N,N-二异丙基乙胺 作用下,
以
氯仿 为溶剂,
反应 74.0h,
以59%的产率得到racemic 1,1-dimethylethyl {(3S,4R)-1-[(3-fluoro-7-oxo-4,5-dihydro-7H-pyrrolo[3,2,1-de][1,5]naphthyridin-4-yl)methyl]-3-hydroxy-4-piperidinyl}carbamate