5-(3-amino-2-hydroxy-phenyl)-furan-2-carboxylic acid hydrobromide 、
sodium nitrite 、
2-(3,3-dimethylindan-5-yl)-5-methyl-2,4-dihydropyrazol-3-one 、
碳酸氢钠 在
ice water 、
水 、 silica gel 、
(Z)-5-(3-{N'-[1-(3,3-dimethylindan-5-yl)-3-methyl-5-oxo-1,5-dihydropyrazol-4-ylidene]hydrazino}-2-hydroxyphenyl)furan-2-carboxylic acid 作用下,
以
盐酸 、
乙醇 为溶剂,
反应 16.33h,
以to obtain the title compound (Z)-5-(3-{N′-[1-(3,3-dimethyl-indan-5-yl)-3-methyl-5-oxo-1,5-dihydro-pyrazol-4-ylidene]-hydrazino}-2-hydroxy-phenyl)-furan-2-carboxylic acid 4h (190 mg, yield 40.3%) as a red solid的产率得到(Z)-5-(3-{N'-[1-(3,3-dimethylindan-5-yl)-3-methyl-5-oxo-1,5-dihydropyrazol-4-ylidene]hydrazino}-2-hydroxyphenyl)furan-2-carboxylic acid