3－溴－4－羟基－5－甲氧基苄叉绕丹宁乙酸的合成

Synthesis of 3-bromo-4-hydroxy-5-methoxy-benzylidene rhodanine acetic acid Wang Cunde

合成了新显色剂３－溴－４－羟基－５－甲氧基苄叉绕丹宁乙酸。元素分析、红外光谱和核磁共振谱证明其结构与理论结构一致，还进行了与Ａｇ＋的定性试验。

In this paper, a new chromogenic reagent 3-bromo-4-hydroxy-5-methoxybenzylidene rhodanineacetic acidmined by elemental allalysis, infrared and nuclearmagnetic resonance spectra.