4-(3-amino-2-hydroxyphenyl)furan-2-carboxylic acid hydrobromide 、
sodium nitrite 、
5-methyl-2-(5,6,7,8-tetrahydronaphthalen-2-yl)-2,4-dihydropyrazol-3-one 、
碳酸氢钠 在
ice water 、
水 、
乙酸乙酯 、
(Z)-4-(2-hydroxy-3-{N'-[3-methyl-5-oxo-1-(5,6,7,8-tetrahydronaphthalen-2-yl)-1,5-dihydropyrazol-4-ylidene]hydrazino}phenyl)furan-2-carboxylic acid 作用下,
以
盐酸 、
乙醇 为溶剂,
反应 24.33h,
以to obtain the title compound (Z)-4-(2-hydroxy-3-{N′-[3-methyl-5-oxo-1-(5,6,7,8-tetrahydro-naphthal-2-yl)-1,5-dihydro-pyrazol-4-ylidene]-hydrazino}-phenyl)-furan-2-carboxylic acid 22f (13 mg, yield 5.5%) as a red solid的产率得到(Z)-4-(2-hydroxy-3-{N'-[3-methyl-5-oxo-1-(5,6,7,8-tetrahydronaphthalen-2-yl)-1,5-dihydropyrazol-4-ylidene]hydrazino}phenyl)furan-2-carboxylic acid