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JP2003335748A Method for separating aromatic cyano compound 审中-公开
标题翻译：分离芳香族氰化合物的方法
公开(公告)号：JP2003335748A
公开(公告)日：2003-11-28
申请号：JP2002141689
申请日：2002-05-16
申请人： Nippon Shokubai Co Ltd , 株式会社日本触媒
发明人： HIROTA KOITSU , KAIUSHI TAKAO , DOBASHI JUNICHI , SAKAI HARUYUKI
IPC分类号： B01D9/02 , C07C253/34 , C07C255/58
摘要： PROBLEM TO BE SOLVED: To provide a method for simply separating an aromatic cyano compound from an organic solvent. SOLUTION: This method for producing the aromatic cyano compound is characterized by adding water to an organic solvent (A), concentrating the obtained mixture solution to deposit the aromatic cyano compound, and then filtering the obtained deposits. It is desirable that the concentration method is an azeotropic dehydration method, because the organic solvent (A) and the water can simultaneously be removed to deposit the objective compound in the left solvent. Another organic solvent (B) may be used instead of the water, and when impurities contained in the aromatic cyano compound are dissolved in the organic solvent (B) and the water, their employment enables the enhancement in the purity of the objective compound. COPYRIGHT: (C)2004,JPO
摘要翻译：待解决的问题：提供简单地从有机溶剂中分离芳族氰基化合物的方法。解决方案：该芳族氰基化合物的制造方法的特征在于向有机溶剂（A）中加入水，浓缩所得混合溶液以沉积芳族氰基化合物，然后过滤所得沉积物。由于可以同时去除有机溶剂（A）和水，以将目标化合物沉积在左溶剂中，所以浓缩方法是共沸脱水方法。可以使用另一种有机溶剂（B）代替水，当芳族氰基化合物中所含的杂质溶解在有机溶剂（B）和水中时，其使用可以提高目标化合物的纯度。版权所有（C）2004，JPO

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