Patent ID: 6077814
Filing Date: 2000-06-20
Classification: A01N,C07D

Abstract:
A 1-substituted-4-carbamoyl-1,2,4-triazol-5-one derivative represented by the general formula (I) ##STR769## wherein: (i) A is an unsubstituted or substituted phenyl group represented by the formula ##STR770## in which X may be the same or different and is a halogen atom, a lower alkyl group, a lower haloalkyl group, a lower alkoxy group, a lower haloalkoxy group, cyano group, nitro group, methylthio group, methylsulfinyl group, methylsulfonyl group, phenoxy group, acetylamino group or trifluoroacetylamino group, and n is 0 or an integer of 1 to 5, or(ii) A is 1-naphthyl group of the formula ##STR771## or 5,6,7,8-tetrahydro-1-naphthyl group of the formula ##STR772## (iii) A is an unsubstituted or substituted benzyl group or phenethyl group represented by the formula ##STR773## in which X and n have the same meanings as defined above, R.sub.3 is hydrogen atom or methyl group and k denotes an integer of 1 to 2;R.sub.1 is a lower alkyl group, a lower alkenyl group, a lower alkynyl group or a lower cycloalkyl group; andR.sub.2 is a lower alkyl group, a lower cycloalkyl group or an unsubstituted or substituted phenyl group having the formula ##STR774## in which m is 0 or an integer of 1 to 5 and Y may be the same or different and is a halogen atom, a lower alkyl group, a lower haloalkyl group, a lower alkoxy group, a lower haloalkoxy group or cyano group; or R.sub.2 is a benzyl group of which benzene ring may be substituted with a halogen atom; or R.sub.2 is an unsubstituted or substituted pyridyl group having the formula ##STR775## in which Z is hydrogen atom or chlorine atom.