abstract |
Processes for the preparation of a compound of the formula n wherein W is nitrogen or —CR 3 ; R 1 is halogen, haloalkyl, haloalkoxy, R 4 S(O) n — or —SF 5 ; R 2 is hydrogen or halogen; R 3 is halogen; R 4 is alkyl or haloalkyl; and n is 0, 1 or 2. |