| 摘要 |
Hydantoin N-methylol esters of the formula, <IMAGE> wherein one of X and Y is a carbonyl group and the other is a methylene, ethylidene or propylidene group, R1 is a lower alkyl, lower alkenyl or lower alkynyl having up to 3 carbon atoms, R2 is a group represented by the formula, <IMAGE> in which R3 is a hydrogen atom or a methyl group; when R3 is a hydrogen atom, R4 is a methoxyiminomethyl or 2,2-disubstituted vinyl group in which the substituents can be selected from the group consisting of methyl, vinyl, fluorine, chlorine and bromine, or both of the substituents may form tetramethylene chain; when R3 is a methyl group, R4 is a methyl group; R5 is a methyl, methoxy, fluorine, chlorine, bromine or 3,4-methylenedioxy group; and n is 1 or 2, a process for producing the same, insecticides and acaricides containing the same as an active ingredient, and novel intermediate compounds. |
