Journal of Jianghan University(Natural Science Edition) ›› 2016, Vol. 44 ›› Issue (4): 353-359.doi: 10.16389/j.cnki.cn42-1737/n.2016.04.011

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Synthesis of 9-fluorenecarboxylic Acid

XUE Fei，HUANG Peng，LI Zhongming*   

  1. School of Chemistry and Environmental Engineering，Jianghan University，Wuhan 430056，Hubei，China
  • Online:2016-08-28 Published:2016-09-06
  • Contact: LI Zhongming

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Abstract: In this paper， with benzilic acid as raw materials， 9- fluorenecarboxylic acid was synthesized，The effects of reaction time，reaction temperature，the type and amount of catalyst，solvent type were studied. The product was characterized by IR，HPLC and NMR . The suitable economical and energy efficient synthesis conditions were as follows：the reaction time 2. 5 h，the quality ratio of raw material and solvent with 1∶13，the molar ratio of raw material and catalyst with 1∶3，the reaction temperature was controlled at reflux.

Key words: 9-fluorenecarboxylic acid, benzilic acid, synthesis conditions

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