Synthesis of Intermediate 2, 3-Dichloro-1,4-naphthoenone for Fungicide Dithianon

论文摘要

The synthetic method of dithianon intermediate 2,3-dichloro-1,4-naphthoquinone was introduced. Starting with raw material sodium 4-amino1-naphthalene sulfonate, 2,3-dichloro-1,4-naphthoquinone was synthesized through acidification, chlorination and oxidation. After filtration and recrystallization, more than 98% of 2,3-dichloro-1,4-naphthoquinone was obtained, and the yield reached 76%（measured by sodium 4-amino-1-naphthalene sulfonate）.

论文目录

• 1 Synthetic Routes of 2, 3-dichloro-1, 4-naphthoquinone
•   1.1 Route 1
•   1.2 Route 2
•   1.3 Route 3
•   1.4 Route 4
•   1.5 Route 5
• 2 Synthesis of 2, 3-dichloro-14-naphthoquinone
• 3 Results and Conclusions
•   3.1 Optimization of synthesis process of 2, 3-dichloro-1, 4-naphthoquinone
•   3.2 Conclusions

文章来源

类型: 期刊论文

作者: Zhang Zhenming,LU Liangzhong,Kong Xianbin,Wang Jianrong,Wang Gang,Liu Kai,Wang Xiaohui

来源: Plant Diseases and Pests 2019年01期

年度: 2019

分类: 农业科技,工程科技Ⅰ辑

专业: 有机化工,植物保护

单位: Jiangsu Changqing Agrochemical Co., Ltd.,Shenyang Research Institute of Chemical Industry Co., Ltd.

分类号: TQ455.4

DOI: 10.19579/j.cnki.plant-d.p.2019.01.009

页码: 33-36

总页数: 4

文件大小: 518K

下载量: 9