((S)-3-{4-[1,1-Dioxo-6-(2,2,2-trifluoro-acetyl)-2,3-dihydro-1H-1λ
6-[1,4]thiazin-4-yl]-3-fluoro-phenyl}-2-oxo-oxazolidin-5-ylmethyl)-carbamic acid tert-butyl ester 在
potassium carbonate 作用下,
以
二氯甲烷 、
乙腈 为溶剂,
生成
{(S)-3-[4-(1,1-Dioxo-2,3-dihydro-1H-1λ6-[1,4]thiazin-4-yl)-3-fluoro-phenyl]-2-oxo-oxazolidin-5-ylmethyl}-carbamic acid tert-butyl ester