GAS PHASE SYNTHESIS OF 2,3,3,3-TETRAFLUORO-1-PROPENE FROM 2-CHLORO-3,3,3-TRIFLUORO-1-PROPENE
申请人:Mukhopadhyay Sudip
公开号:US20090124837A1
公开(公告)日:2009-05-14
A multi-step process for preparing 2,3,3,3-tetrafluoro-1-propene comprising the steps of (a) contacting a starting material comprising 2-chloro-3,3,3-trifluoro-1-propene with hydrogen fluoride in the presence of activated first catalyst selected from the group consisting of antimony-halides, iron-halides, titanium halides, and tin-halides, to produce an intermediate composition; and (b) contacting said intermediate composition with a second catalyst of activated carbon to produce a final product comprising 2,3,3,3-tetrafluoro-1-propene.
制备2,3,3,3-四氟-1-丙烯的多步骤过程包括以下步骤:(a)将含有2-氯-3,3,3-三氟-1-丙烯的起始物与氢氟酸在活性第一催化剂的存在下接触,所述活性第一催化剂选自锑卤化物、铁卤化物、钛卤化物和锡卤化物组成的群体,以产生中间产物;以及(b)将所述中间产物与活性碳的第二催化剂接触,以产生包含2,3,3,3-四氟-1-丙烯的最终产品。