申请人:Jones Heavon Raymond Vincent
公开号:US20050054886A1
公开(公告)日:2005-03-10
A process for the preparation of 1,4-bis(hydroxymethyl)-2,3,5,6-tetrafluorobenzene comprising fluorinating 2,3,5,6-tetrachloroterephthalonitrile to obtain 2,3,5,6-tetrafluoroterephthalonitrile, hydrogenating 2,3,5,6-tetrafluoroterephthalonitrile to give 1,4-bis(aminomethyl)-2,3,5,6-tetrafluorobenzene and converting 1,4-bis(aminomethyl)-2,3,5,6-tetrafluorobenzene to 1,4-bis(hydroxymethyl)-2,3,5,6-tetrafluorobenzene.
制备1,4-双(羟甲基)-2,3,5,6-四氟苯的过程包括氟化2,3,5,6-四氯对苯二腈以获得2,3,5,6-四氟对苯二腈,将2,3,5,6-四氟对苯二腈氢化以得到1,4-双(氨甲基)-2,3,5,6-四氟苯,并将1,4-双(氨甲基)-2,3,5,6-四氟苯转化为1,4-双(羟甲基)-2,3,5,6-四氟苯。