(R)-3-[1-(2-fluoro-1-methyl-ethyl)-2-oxo-2,3-dihydro-1H-indol-5-ylamino]-2-hydroxy-propionic acid methyl ester 、
N,N'-羰基二咪唑 以
乙腈 为溶剂,
反应 1.0h,
生成 (R)-3-[1-(2-fluoro-1-methyl-ethyl)-2-oxo-2,3-dihydro-1H-indol-5-yl]-2-oxo-oxazolidine-5-carboxylic acid methyl ester