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个人信息Personal Information
教授
博士生导师
硕士生导师
主要任职：无
其他任职：精细化工国家重点实验室副主任、大连理工大学-瑞典皇家工学院分子器件联合研究中心主任
性别：男
毕业院校：大连理工大学
学位：博士
所在单位：化工学院
学科：应用化学. 精细化工
办公地点：大连理工大学西部校区化工实验楼E-223
联系方式：0411-84986493
电子邮箱：sunlc@dlut.edu.cn
The bromination mechanism of 1-aminoanthraquinone-2,4-disulfonic acid in sulfuric acid
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论文类型：期刊论文
发表时间：2006-01-01
发表刊物：DYES AND PIGMENTS
收录刊物：SCIE、EI
卷号：71
期号：3
页面范围：231-235
ISSN号：0143-7208
关键字：bromoamine acid; de-sulfonation; 1-aminoantraquinone-2,4-disulfonic acid
摘要：I-Amino-4-bromoanthraquinotie-2-sulfoiiic acid (bromoamine acid) is an important intermediate for dyes. 1-Aminoanthraquinone2,4-disulfonic acid is the major impurity when 1-aminoanthraquinone is sulfonated in oleum to synthesize bromoamine acid. The mechanism of bromination of 1-aminoanthraquinone-2,4-disulfonic acid in sulfuric acid has been studied. It is proved that I-aminoanthraquinone-2,4-disulfonic acid undergoes de-sulfonation first to form 1-aminoanthraquinoine-2-sulfonic acid, and then bromination to form bromoamine acid. Based on this mechanism, a new optimal process for the synthesis of bromoamine acid is developed. In this way, bromoamine acid is afforded in high yield and good quality. (c) 2005 Elsevier Ltd. All rights reserved.