申请人:Air Products and Chemicals, Inc.
公开号:US05227493A1
公开(公告)日:1993-07-13
N-fluoro perfluoroheterocyclic sulfonamides of the following Formula I ##STR1## wherein Het.sub.f represents an aromatic perfluoroheterocyclic radical of valency n and each R independently represents a substituted or unsubstituted C.sub.1 -C.sub.30 alkyl, C.sub.6 -C.sub.14 aryl substituted C.sub.1 -C.sub.10 alkyl, C.sub.6 -C.sub.14 aryl, or C.sub.1 -C.sub.10 alkyl substituted C.sub.6 -C.sub.14 aryl group, are novel electrophilic fluorinating agents. Preferably Het.sub.f is a perfluorinated nitrogen-containing aromatic group, especially pyridyl, pyrimidinyl, pyrazinyl or 1,3,5-triazinyl; n is 1; and R is perfluorinated, especially trifluoromethyl.
下列式子I中的N-氟过渡金属杂环磺酰胺为新颖的亲电性氟化试剂,其中: ##STR1## 其中,Het.sub.f代表一个价数为n的芳香全氟杂环基团,每个R独立地代表取代或未取代的C.sub.1-C.sub.30烷基、C.sub.6-C.sub.14芳基取代的C.sub.1-C.sub.10烷基、C.sub.6-C.sub.14芳基或C.sub.1-C.sub.10烷基取代的C.sub.6-C.sub.14芳基基团。最好的情况是,Het.sub.f是全氟氮含量芳香基团,特别是吡啶基、嘧啶基、吡嗪基或1,3,5-三嗪基;n为1;R为全氟基,特别是三氟甲基。