PYRIDYLOXYAL ALKYL CARBOXAMIDES AND THEIR USE AS ENDOPARASITICIDES AND NEMATICIDE

Substituted pyridine derivatives (I) are new. Substituted pyridine derivatives of formula (I) or their salts, N-oxides or tautomers are new. Q : 19 substituted hetero(aryl) moieties e.g. substituted thiophenyl moieties of formula (IIa) or (IIb), substituted furanyl moieties of formula (IIc) or (IId), substituted isothiazolyl moieties of formula (IIe) or (IIg), substituted isoxazolyl moieties of formula (IIf) or (IIh), substituted phenyl moieties of formula (IIi) or substituted pyridyl moieties of formula (IIj); n : 1-2; m : 1-4; o : 1-3; Y1 : 1-10C alkyl, 2-10C alkenyl, 2-10C alkynyl, 1-10C haloalkyl, 2-10C haloalkenyl, 2-10C haloalkynyl, 1-10C alkoxy, 2-10C alkenyloxy, 3-10C alkynyloxy, 3-14C cycloalkyl-1-10C alkyl or 3-14-membered cyclyl (all optionally mono- or polysubstituted by M2) or H; W1 : O or S; L2 : -C(R21, R22)-; L3 : -C(R31, R32)-; M1-M4 : H, halo, CN, NO 2, OH, 1-10C alkyl, 1-10C alkoxy, 1-10C alkylthio, 1-10C alkylsulfonyl, 1-10C alkylsulfanyl (all optionally halogenated) or (3-14-membered cyclyl)-O-; k : 1-3; either R21, R22 : 1-10C alkyl, 2-10C alkenyl, 2-10C alkynyl, 1-10C haloalkyl, 2-10C haloalkenyl, 2-10C haloalkynyl, 1-10C alkoxy, 1-10C haloalkoxy, 2-10C alkenyloxy, 3-10C alkynyloxy, 3-14C cycloalkyl-1-10C alkyl or 3-14-membered cyclyl (all optionally mono- or polysubstituted by M2) or H or halo; or R21+R22 : spiro-linked 3-14-membered carbocyclyl or spiro-linked 3-10-membered heterocyclyl (both optionally mono- or polysubstituted by M2); either R31, R32 : 1-10C alkyl, 2-10C alkenyl, 2-10C alkynyl, 1-10C haloalkyl, 2-10C haloalkenyl, 2-10C haloalkynyl, 3-14C cycloalkyl-1-10C alkyl or 3-14-membered cyclyl (all optionally mono- or polysubstituted by M2) or H or halo; or R31+R32 : spiro-linked 3-14-membered carbocyclyl or spiro-linked 3-10-membered heterocyclyl (both optionally mono- or polysubstituted by M5); and M5 : 1-10C alkyl, 2-10C alkenyl, 2-10C alkynyl, 1-10C alkoxy, 2-10C alkenyloxy, 3-10C alkynyloxy, 1-10C alkylthio, 2-10C alkenylthio, 3-10C alkynylthio, 1-10C alkylsulfonyl, 2-10C alkenylsulfonyl, 3-10C alkynylsulfonyl, 1-10C alkylsulfanyl, 2-10C alkenyl-sulfanyl, 3-10C alkynyl-sulfanyl, 1-10C alkylcarbonyl, 2-10C alkenyl-carbonyl, 2-10C alkynyl-carbonyl, 1-10C alkoxycarbonyl, 2-10C alkenoxy-carbonyl, 3-10C alkynoxy-carbonyl, 1-10C alkylcarbonyloxy, 2-10C alkenyl-carbonyloxy or 2-10C alkynyl-carbonyloxy (all optionally halogenated) or halo, formyl, CN, NO 2 or 3-14-membered cyclyl. An independent claim is also included for prep