ferrocenylcarbonylhydrazine 、
8'-formyl-7'-hydroxy-3-methyl-4-oxo-3,4-dihydro-2H-1,3-benzoxazine-2-spiro-2'-[2H]chromene 以
乙醇 为溶剂,
反应 0.25h,
以52%的产率得到7-hydroxy-3-methyl-8'-formyl-3,4-dihydro-2H-1,3-benzoxazine-2-spiro-2(H)-chromene ferrocenoylhydrazone