Patent ID: 7786043

Claim:
A 2-(Pyridin-2-yl)pyrimidine compound of formula I and agriculturally acceptable salts thereof: wherein k iso, 1, 2 or 3; m is 0, 1, 2, 3, 4 or 5; n is 1, 2, 3, 4 or 5; each R 1 independently represents halogen, OH, CN, NO 2 , C 1 -C 4 -alkyl, C 1 -C 4 -haloalkyl, C 1 -C 4 -alkoxy, C 1 -C 4 -haloalkoxy, C 2 -C 4 -alkenyl, C 2 -C 4 -alkynyl, C 3 -C 8 -cycloalkyl, C 1 -C 4 -alkoxy-C 1 -C 4 -alkyl, amino, NHR, NR 2 , C(R a )═N—OR b , S(═O) p A 1 , C(═O)A 2 or phenoxy, wherein phenoxy is optionally substituted with halogen or C 1 -C 4 -alkyl, and wherein p, R, R a , R b , A 1 and A 2 have the following meanings: R is C 1 -C 4 -alkyl or C 1 -C 4 -alkylcarbonyl, R a is hydrogen or C 1 -C 4 -alkyl; R b is C 1 -C 4 -alkyl, C 3 -C 4 -alkenyl or C 3 -C 4 -alkynyl, p is 0, 1 or 2, A 1 is C 1 -C 4 -alkyl, or if p=2 then A 1 is NH 2 , C 1 -C 4 -alkylamino or di-(C 1 -C 4 -alkyl)amino, and A 2 is hydrogen, hydroxy, C 1 -C 4 -alkyl, C 1 -C 4 -alkylamino, di-(C 1 -C 4 -alkyl)amino, C 2 -C 4 -alkenyl, C 1 -C 4 -alkoxy or C 1 -C 4 -haloalkoxy; or two radicals R 1 bound to adjacent carbon atoms are optionally together a group —O-Alk-O—, wherein Alk is linear or branched C 1 -C 4 -alkylene, wherein 1, 2, 3 or 4 hydrogen atoms is optionally replaced with halogen; R 2 is C 1 -C 4 -haloalkyl, C 1 -C 4 -alkoxy, C 1 -C 4 -haloalkoxy, hydroxy, halogen, CN or NO 2 ; wherein R 2 is optionally hydrogen or C 1 -C 4 -alkyl if at least one of the following conditions is given: n is 3, 4 or 5, k is 1, 2 or 3; and R 3 is C 1 -C 4 -alkyl.