(13S,16S)-1-cyclopropyl-7-fluoro-16-hydroxy-16-methanesulfonyloxymethyl-4-oxo-1,4,13,15,16,17-hexahydro-12H-11-oxa-1,14-diaza-cyclopenta[a]phenanthrene-3-carboxylic acid ethyl ester 、 (5R)-3-(3-fluoro-4-hydroxy-phenyl)-5-[1,2,3]triazol-1-ylmethyl-oxazolidin-2-one 在
potassium carbonate 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 5.0h,
以54%的产率得到(13S,16S)-1-cyclopropyl-7-fluoro-16-[2-fluoro-4-((5R)-2-oxo-5-[1,2,3]triazol-1-ylmethyl-oxazolidin-3-yl)-phenoxymethyl]-16-hydroxy-4-oxo-1,4,13,15,16,17-hexahydro-12H-11-oxa-1,14-diaza-cyclopenta[a]phenanthrene-3-carboxylic acid ethyl ester