[EN] PROCESS FOR PRODUCTION OF 2,3,3,3-TETRAFLUOROPROPENE<br/>[FR] PROCÉDÉ DE PRODUCTION DU 2,3,3,3-TÉTRAFLUOROPROPÈNE
申请人:DAIKIN IND LTD
公开号:WO2010013795A1
公开(公告)日:2010-02-04
The present invention provides a process for producing 2,3,3,3-tetrafluoropropene including the following reaction steps: (i) reducing a halogenated fluoropropane represented by formula (1): ACF2CF2CH2FyAz, wherein A is Cl, Br, or I; x is an integer from 0 to 2; y and z are each an integer from 0 to 3; and the total number of x, y, and z is 3, to produce a 1-halogenated-1,1,2,2-tetrafluoropropane represented by formula (2): ACF2CF2CH3; and (ii) contacting the 1-halogenated-1,1,2,2-tetrafluoropropane obtained in step (i) with a catalyst in a gas phase to produce 2,3,3,3-tetrafluoropropene. According to the invention, 2,3,3,3-tetrafluoropropene (HFO-1234yf) can be produced in a high yield, using inexpensive starting materials.
本发明提供了一种生产2,3,3,3-四氟丙烯的方法,包括以下反应步骤:(i) 还原由式(1)表示的卤代氟丙烷:ACF2CF2CH2FyAz,其中A为Cl、Br或I;x为0到2的整数;y和z分别为0到3的整数;以及x、y和z的总数为3,以产生由式(2)表示的1-卤代-1,1,2,2-四氟丙烷:ACF2CF2CH3;以及(ii) 将步骤(i)中获得的1-卤代-1,1,2,2-四氟丙烷与气相中的催化剂接触,以产生2,3,3,3-四氟丙烯。根据本发明,可以使用廉价的起始材料高产率地生产2,3,3,3-四氟丙烯(HFO-1234yf)。