Patent ID: 7208596

Claim:
A process of preparing a compound of Formula II: wherein: Ar is phenyl or pyridyl substituted with 0 to 5 R 3 ; X is halo; each R 3 is, independently, H, halo, CN, nitro, (C 1 –C 4 )alkyl, (C 1 –C 4 )alkoxy, (C 1 –C 4 )haloalkyl, or (C 1 –C 4 )haloalkoxy; and each R A and R B is, independently, (C 1 –C 4 )alkyl; comprising contacting a compound of Formula III: with POX 3 in the presence of an ammonium halide salt and an amine selected from diisopropylethylamine, diethylphenylamine, diisopropylaniline, diethylaniline, diisopropylisobutylamine, tribenzylamine, triphenylamine, tricyclohexylamine, or diethylisopropylamine.