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    • 8. 发明授权
    • O,S-Dialkyl-O-(4-fluorophenyl)-(di)thiophosphoric acid esters, and the
use thereof for combating pests
    • O,S-二烷基-O-(4-氟苯基) - (二)硫代磷酸酯及其用于防治害虫的用途
    • US4414208A
    • 1983-11-08
    • US337076
    • 1982-01-04
    • Hans-Peter LoefflerHeinrich Adolphi
    • Hans-Peter LoefflerHeinrich Adolphi
    • A01N57/14C07F9/18C07F9/165
    • C07F9/18A01N57/14
    • Novel O,S-dialkyl-O-(4-fluorophenyl)-(di)thiophosphoric acid esters of the formula ##STR1## where R.sup.1 is alkyl of from 1 to 3 carbon atoms, R.sup.2 is alkyl of from 1 to 5 carbon atoms, cycloalkyl of 5 or 6 carbon atoms, alkoxyalkyl of from 2 to 7 carbon atoms or alkylthioalkyl of from 2 to 7 carbon atoms, R.sup.3 is hydrogen, halogen, alkyl of from 1 to 4 carbon atoms, haloalkyl, alkoxy or alkylthio, each of from 1 to 4 carbon atoms, cyano or nitro, R.sup.4 denotes halogen, alkyl of from 1 to 4 carbon atoms, haloalkyl, alkoxy or alkylthio, each of from 1 to 4 carbon atoms, cyano or nitro, and X is oxygen or sulfur, R.sup.4 additionally denoting hydrogen when X is sulfur or when X is oxygen and R.sup.2 is methyl, n-propyl, sec-butyl, isobutyl, tert-butyl or pentyl, which compounds are valuable pesticides.
    • 新的式(I)所示的O,S-二烷基-O-(4-氟苯基) - (二)硫代磷酸酯,其中R 1是1至3个碳原子的烷基,R 2是1至5个碳原子的烷基 5或6个碳原子的环烷基,2至7个碳原子的烷氧基烷基或2至7个碳原子的烷硫基烷基,R3是氢,卤素,1至4个碳原子的烷基,卤代烷基,烷氧基或烷硫基, 1至4个碳原子,氰基或硝基,R 4表示卤素,1至4个碳原子的烷基,卤代烷基,烷氧基或烷硫基,各自为1至4个碳原子,氰基或硝基,X为氧或硫, R4另外表示当X是硫时的氢或当X是氧,R2是甲基,正丙基,仲丁基,异丁基,叔丁基或戊基时,这些化合物是有价值的农药。