巴比妥酸 、 3-((4S)-4-cyclopropyl-2-oxooxazolidin-3-yl)-6-((2R,6R)-2,6-dimethylmorpholino)-7-fluorobenzo[d]isoxazole-5-carbaldehyde 以
异丙醇 为溶剂,
反应 2.0h,
以79%的产率得到(2R,4S,4aS)-8-((S)-4-cyclopropyl-2-oxooxazolidin-3-yl)-11-fluoro-2,4-dimethyl-2,4,4a,6-tetrahydro-1H,1'H-spiro[isoxazolo[4,5-g]-[1,4]oxazino[4,3-a]quinoline-5,5'-pyrimidine]-2',4',6'(3'H)-trione