巴比妥酸 、
3-(4-acetylpiperazin-1-yl)-6-[(2R,6S)-2,6-dimethylmorpholin-4-yl]-7-fluoro-1,2-benzisoxazole-5-carbaldehyde 以
异丙醇 为溶剂,
反应 12.0h,
以55%的产率得到(2R,4S,4aS)-rel-8-(4-acetylpiperazin-1-yl)-11-fluoro-2,4-dimethyl-1,2,4,4a-tetrahydro-2'H,6H-spiro[isoxazolo[4,5-g][1,4]oxazino[4,3-a]quinoline-5,5'-pyrimidine]-2',4',6'(1'H,3'H)-trione