2,3-Dioxo-2,3-dihydro-benzo[1,4]oxazine-4-carboxylic acid [1-(4-dimethylamino-phenyl)-meth-(E)-ylidene]-hydrazide 、
巯基乙酸 以
四氢呋喃 为溶剂,
以65%的产率得到2,3-Dioxo-2,3-dihydro-benzo[1,4]oxazine-4-carboxylic acid [2-(4-dimethylamino-phenyl)-4-oxo-thiazolidin-3-yl]-amide