申请人:Mukhopadhyay Sudip
公开号:US20050245774A1
公开(公告)日:2005-11-03
Disclosed is a process for the synthesis of 1,3,3,3-tetrafluoropropene which comprises, in one embodiment, reacting a compound of CF
3
X
1
with a compound of CX
2
H═CHX
3
, wherein X
1
, X
2
, and X
3
are each independently selected from the group consisting of fluorine, chlorine, bromine and iodine, to produce a reaction product comprising a compound of CF
3
CH═CHX
3
, wherein X
3
is as described above; and when X
3
is not fluorine, fluorinating the compound to produce 1,3,3,3-tetrafluoropropene. The process in another embodiment comprises preparing tetrafluoropropene comprising thermally cracking one or more compounds capable of producing a reaction mixture which preferably comprises diflurocarbene radicals and vinylidene fluoride, and converting said reaction mixture into—tetrafluoropropene (1,3,3,3-tetrafluoropropene).
公开了一种合成1,3,3,3-四氟丙烯的方法,其中一种实施方式包括将CF3X1化合物与CX2H═CHX3化合物反应,其中X1、X2和X3分别独立地选自氟、氯、溴和碘组成的群体,以产生包含CF3CH═CHX3化合物的反应产物,其中X3如上所述;当X3不是氟时,通过氟化化合物来产生1,3,3,3-四氟丙烯。另一种实施方式的方法包括制备四氟丙烯,包括通过热解能够产生反应混合物的一种或多种化合物,该反应混合物最好包括二氟卡宾自由基和乙烯基氟化物,并将所述反应混合物转化为四氟丙烯(1,3,3,3-四氟丙烯)。