Patent ID: 7528260

Claim:
A method for preparing a compound of Formula 1, wherein R 1 is CH 3 or Cl; R 2 is Br, Cl, I or CN; R 3 is H or C 1 -C 4 alkyl; R 4 is Cl, Br, CF 3 , OCF 2 H or OCH 2 CF 3 ; R 5 is F, Cl or Br; R 6 is H, F or Cl; Z is CR 7 or N; and R 7 is H, F, Cl or Br; comprising: combining (1) a carboxylic acid compound of Formula 2, (2) an aniline compound of Formula 3, and (3) a sulfonyl chloride to form the compound of Formula 1.