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有机化学
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有机化学 ›› 2003, Vol. 23 ›› Issue (11): 1317-1319. 上一篇    下一篇

研究论文

TiSiW_(12)O_(40)/TiO_2催化合成磷酸三甲苯酯的研究

杨锦飞   

  1. 南京师范大学化学与环境科学学院
  • 发布日期:2003-11-25

Stydy of Synthesis of Trimethylphenyl Phosphate Catalyzed by TiSiW_ (12)O_(40)/TiO_2

Yang Jinfei   

  1. College of Chemistry and Environmental Science, Nanjing Normal University
  • Published:2003-11-25

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应用TiSiW_(12)O_(40)/TiO_2催化剂合成磷酸三甲苯酯研究结果表明，该催化 剂具有较高的催化活性。考察了催化剂用量、反应温度和反应时间对酯产率的影响 。在典型反应条件（催化剂用量为原料总量的1.0%，反应温度为100-120 ℃，反应 时间为8h）下所得磷酸三甲苯酯的产率为85.5%。该催化剂易于回收且可重复使用 ，具有良好的活性稳定性。

关键词: 钨酸盐, 硅酸盐, 钛化合物, 氧化钛, 磷酸酯, 催化活性, 稳定性

Trimethylphenyl phosphate was synthesized using TiSiW_(12)O_(40) /TiO_2 as the catalyst. The results obtained indicate that the catalyst possesses a fairly high catalytic activity for the esterification reaction. The effects of the amount of the catalyst, reaction temperature and reaction time on the yield of the ester have been investigated. The yield of trimethylphenyl phosphate under die typical reaction conditions (catalyst: raw material =1.0% at 100 ～ 120 ℃ for 8.0 h ) is 85. 5 %. The catalyst can be easily recovered and reused to give almost the same yield of the esterified product as that given by fresh TiSiW_(12)O_(40)/TiO_2

Key words: TUNGSTATE;SILICATE;TITANIUM COMPOUNDS;TITANIUM OXIDE;PHOSPHATES, CATALYTIC ACTIVITY;STABILITY

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