| abstract |
(57) [Summary] [Structure] General formula [Formula 1] [In the formula, R 1 represents a hydrogen atom or a methyl group, and R 2 Represents an alkyl group or a cycloalkyl group which may be substituted with an alkyl group, and X represents an oxygen atom or a sulfur atom. ] The 1-phenyl-4-trifluoromethyl uracil derivative shown by these. [Effect] The compound represented by the general formula 1 has an excellent herbicidal effect and exhibits selectivity between crops and weeds, and is therefore useful as an active ingredient of a herbicide. |