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.