由五氟乙烷气相催化合成1-氯-3,3,3-三氟丙烯的方法

A new gas-phase method for synthesis of 1-chloro-3,3,3-trifluoropropene by using 1,1,1,3,3-pentafluoropane

1-氯-3,3,3-三氟丙烯(HFO-1233zd)是一种重要的化工原料。本研究介绍一种由五氟乙烷(HFC-245fa)作为原料,有机或无机氯化物作为氯源,通过气相催化合成1-氯-3,3,3-三氟丙烯的方法。对催化剂活性组分、不同载体、种类氯源种类进行了研究。结果表明,245fa与CCl4在Cr/Al_2O_3催化剂的作用下,可以高效地生成1233zd。

In order to find an alternative of hydrogen chloride when using HFC-245fa to produce HFO-1233zd,firstly, the different kinds of Cl-contained compound was used to find optimal Cl-provider. The different catalysts were also probed to get an optimal catalyst. Then different kinds of catalyst support were compared to find optimal catalyst support. The results showed that 245fa and CCl4 can efficiently generate 1233zd under the action of Cr/Al2O3 catalyst.