巴比妥酸 、
7-chloro-6-((2R,65)-2,6-dimethylmorpholino)-5-formyl-N-methylisoxazolo[4,5-b]pyridine-3-carboxamide 以
异丙醇 为溶剂,
反应 72.0h,
以36%的产率得到(2R,4S,4aS)-rel-11-chloro-N,2,4-trimethyl-2',4',6'-trioxo-2,2',3',4,4',4a,6,6'-octahydro-1H,1'H-spiro[isoxazolo[4,5-g][1,4]oxazino[4,3-a][1,5]naphthyridine-5,5'-pyrimidine]-8-carboxamide