| abstract |
Substituted thiopyridine of formula (I) is disclosed.n n n <Formula I>n n n n n n n n Wherein n means 1 or 2; R 1 is chlorine, C 1 -C 3 -fluoroalkyl, nitro or methylsulfonyl; R 2 is unsubstituted or substituted with a halogen, C 1 -C 4 - alkoxy, C 1 -C 4 - alkoxycarbonyl, di - (C 1 -C 4 - alkyl) carbonyl, cyano or nitro-substituted C 1 Unsubstituted or substituted at a -C 10 -alkyl, C 2 -C 10 -alkenyl or C 2 -C 10 -alkynyl radical, C 3 -C 8 -cycloalkyl radical, or phenyl moiety or hydrogen, C 1 -C 3 C 1 -C 4 -alkylenephenyl, phenyl or naphthyl radicals substituted with -alkyl, C 1 -C 3 -alkoxy, trifluoromethyl, cyano or nitrile. |