申请人:Allied-Signal Inc.
公开号:US04886629A1
公开(公告)日:1989-12-12
The present invention relates to a process for the preparation of a fluorinated benzene sulfonyl fluoride comprising the step of: heating a benzene sulfonyl fluoride of the Formula (I) ##STR1## where Y is fluorine, chlorine, bromine, iodine, a methyl group, an ethyl group, or a propyl group; p is 0 to 3; and q is 2 to 6, in the presence of an alkali metal fluoride under conditions and for a time sufficient to provide a fluorinated benzene sulfonyl fluoride of the Formula (II) ##STR2## where x is 1 to 5; m=q-x; and Y and p are as defined above. The present invention also provides novel benzene sulfonyl fluorides of the Formula (III) ##STR3## where each Y is meta or para to --SO.sub.2 F and is independently selected from the group consisting of chlorine, fluorine, fluorosulfonyl, methyl group, ethyl group, and propyl group; and p is 1 or 2. The fluorinated benzene sulfonyl fluorides are versatile fluorinated intermediates. They are readily converted to sulfonamides of potential activity, or the sulfonyl group can be converted into another functional group, or removed to provide fluorinated benzenes.
本发明涉及一种制备氟代苯磺酰氟的方法,包括以下步骤:在碱金属氟的存在下,加热具有化学式(I)的苯磺酰氟
##STR1##
其中,Y为氟、氯、溴、碘、甲基基团、乙基基团或丙基基团;p为0至3;q为2至6,条件和时间足以提供具有化学式(II)的氟代苯磺酰氟
##STR2##
其中,x为1至5;m=q-x;Y和p如上所定义。本发明还提供具有化学式(III)的新型苯磺酰氟
##STR3##
其中,每个Y都为对位或间位于--SO.sub.2 F,独立选择自氯、氟、氟磺酰、甲基基团、乙基基团和丙基基团;p为1或2。氟代苯磺酰氟是多功能的氟代中间体。它们可以轻松转化为具有潜在活性的磺酰胺,或者磺酰基可以转化为另一种功能基团,或者去除以提供氟代苯。