1,3-Dichloro-2-fluorobenzene synthesis
- Product Name:1,3-Dichloro-2-fluorobenzene
- CAS Number:2268-05-5
- Molecular formula:C6H3Cl2F
- Molecular Weight:164.99
2106-49-2
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2268-05-5
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Yield:2268-05-5 93%
Reaction Conditions:
with chlorine at 180 - 190;Temperature;
Steps:
7 example-7
In a 250 ml four-neck flask, 240 g (1.368 mol)2-fluoro-3-chloronitrobenzene, temperature rise 180 ° C, accessThe dried chlorine gas,Control the temperature of the kettle at 180 ~ 190 ° C,Reaction to the way the reaction distillation 8h ~ 10h, collected distillateLiquid, washing, alkaline washing to weakly alkaline, stratified organic phase vacuum distillation in 2,6 - dichlorofluorobenzene 210g, content 99. 7%, yield 93%
References:
Binhai Yongtai Medical Chemical Co Ltd;He, Renbao;Shao, Hongming CN102249881, 2016, B Location in patent:Paragraph 0015; 0050-0051
2729-34-2
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2268-05-5
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19393-92-1
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2268-05-5
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87-61-6
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2268-05-5
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36556-50-0
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36556-47-5
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38361-37-4
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20098-48-0
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2268-05-5
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$5.00/5g