7-chloro-6-((2R,6S)-2,6-dimethylmorpholino)-3-methylisoxazolo[4,5-b]pyridine-5-carbaldehyde 、
巴比妥酸 以
异丙醇 为溶剂,
反应 120.0h,
以to give 95 mg yellow solid which的产率得到(2R,4S,4aS)-rel-11-Chloro-2,4,8-trimethyl-2,4,4a,6-tetrahydro-1H,1'H-spiro[isoxazolo[4,5-g][1,4]oxazino[4,3-a][1,5]naphthyridine-5,5'-pyrimidine]-2',4',6'(3'H)-trione