申请人:Zierke Thomas
公开号:US20110301356A1
公开(公告)日:2011-12-08
The present invention relates to a process for preparing 2-aminobiphenyls of the formula I
in which
n is 0, 1, 2 or 3,
R
1
is hydrogen, cyano or fluorine, and
each R
2
is independently selected from cyano, fluorine, C
1
-C
4
-alkyl, C
1
-C
4
-fluoroalkyl, C
1
-C
4
-alkoxy, C
1
-C
4
-fluoroalkoxy, C
1
-C
4
-alkylthio and C
1
-C
4
-fluoroalkylthio.
The invention also relates to a process for preparing pyrazolecarboxamides of such 2-aminobiphenyls.
本发明涉及一种制备式I的2-氨基联苯的方法,其中n为0、1、2或3,R1为氢、氰或氟,每个R2独立地选自氰、氟、C1-C4-烷基、C1-C4-氟代烷基、C1-C4-氧基烷基、C1-C4-氟代氧基烷基、C1-C4-硫代烷基和C1-C4-氟代硫代烷基。本发明还涉及一种制备这种2-氨基联苯的吡唑烷酰胺的方法。