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α-萘酚酞的合成及提纯工艺研究

Information Recording Materials(2013)

Cited 22|Views17
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Abstract
研究了α-萘酚酞的合成及提纯工艺。以α-萘酚、邻苯二甲酸酐为主要原料,设计分段反应温度和反应时间,对合成的各种反应条件进行了研究,优选甲磺酸为缩合剂合成α-萘酚酞,并通过实验选出了一种适合工业化单元操作的分离提纯工艺。目标化合物经红外光谱和核磁共振氢谱确证化学结构。合成的α-萘酚酞纯度和收率都显著提高。
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Key words
Alpha-Naphtholphthalein,methane-sulforic acid,purification,synthesis
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