| 摘要 |
Insecticidal 1,2,3,4-tetrahydro-5-nitropyrimidines of the formula <IMAGE> (I) in which R1 stands for hydrogen or for optionally substituted radicals from the group consisting of benzyl, picolyl (pyridylmethyl) and phenoxyalkyl, n stands for the number 0 or 1 and R2 stands for the -A-R3 group, in which A stands for a direct bond or for the -(CH2)m- or -(CH2)x-Y-(CH2)z- groupings, where m stands for the numbers 1 to 4, x and z stand for the numbers 0, 1 or 2, it being possible for x and z to be identical or different, and Y stands for oxygen, sulphur or for the -NH- or <IMAGE> groupings, where R4 stands for optionally alkoxycarbonyl-substituted C1-C4-alkyl, cyano, hydroxyl or for phenyl, and R3 stands for halogeno-C1-C4-alkyl or for an optionally substituted radical selected from the group consisting of phenyl, naphthyl, anthryl, phenanthryl, pyridyl, furyl, thienyl, piperidyl and 1,3-benzodioxolyl, with certain exceptions, and salts thereof.
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