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2-Bromofluorene

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1133-80-8 Basic informationMore
USE
2-bromofluorene is often used as synthetic intermediate of the OLED material in industry, by the reaction of barbier-type ultrasonic radiation, 2-bromofluorene is also used to study the conversion of aryl bromides to aryl triethoxy silane.<br /> <strong>Lab Preparation Methods:</strong> propylene carbonate is used as solvent, N-bromosuccinimide (NBS) is used as brominated reagent to carry bromination reaction of fluorine, and this reaction can synthesize 2-bromofluorene and 2,7-dibromofluorene. By the investigation of reaction temperature, NBS amount, the adding methods, the optimal reaction conditions for the synthesis of 2-bromofluorene is confirmed. The optimal reaction conditions are: reaction temperature is 23℃, the molar ratio of NBS with fluorine is 1.1:1, NBS is added by stage addition. First fluorene and propylene carbonate is preheated to 60℃, so fluorine is all dissolved, and then it drops to the reaction temperature, NBS is added by stage addition. 2-bromofluorene and 2,7-dibromofluorene recrystallizes with ethanol and acetic acid respectively, the purity of target product of liquid chromatography can reach more than 99%.
Lastest Price from 2-Bromofluorene manufacturers
  • 2-Bromofluorene
  • US $210.00 /KG
  • CAS:1133-80-8
  • Min. Order: 1KG
  • Purity: 98%
  • Supply Ability: 300MT/year
  • 2024-04-18
  • 2-Bromofluorene
  • US $100.00-1.00/KG
  • CAS:1133-80-8
  • Min. Order: 1KG
  • Purity: 99%
  • Supply Ability: g-kg-tons, free sample is available
  • 2024-03-25

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  • Company Name:Zhengzhou Shengyi New Material Technology Co., LTD
  • Tel:0371-63891666 18037898020
  • Products Intro:Product Name:2-Bromofluorene
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    Purity:99.9% Package:1kg;25kg
  • CB Index:58
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  • Company Name:Yantai Qibang Chemical Technology Co., Ltd
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    Purity:99.9% Package:1kg ;5kg; 25kg
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  • Company Name:J & K SCIENTIFIC LTD.
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  • Company Name:Meryer (Shanghai) Chemical Technology Co., Ltd.
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    Purity:97% Package:5g;25g;100g Remarks:AAA123754 More...
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  • Company Name:future industrial shanghai co., ltd
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