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8204445 
Journal Article 
Study on the etherification of 1,5-difluoro-2,4-dinitrobenzene 
Yimeng, G; Fenggui, C; Yuanjian, X 
2014 
31 
3 
50-53 
Chinese 
In order to monitor the etherification of multiple halogen substituted benzene, the effect of etherifying agent and acid-binding agent on 1, 5-difluoro-2, 4-dinitrobenzene etherification has been well studied. When isopropanol was used as etherifying agent, the mono-etherified dinitrobenzene, 1-fluoro-5-isopropoxy-2,4-dinitrobenze, was able to be obtained by using weak base triethylamine as acid-binding agent. Double-etherified dinitrobenzene, 1, 5-diisopropoxy-2,4-dinitrobenzene, was prepared in the presence of strong acid-binding agent such as NaOH. When methanol was employed as etherifying agent, 1,5-dimethoxy-2,4-dinitrobenzene was synthesized under either weak acid-binding agent or strong acid-binding agent conditions. 
1,5-difluoro-2,4-dinitrobenzene; Acid-binding agent; Double-etherification; Mono-etherification 
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