S,S-DI-(TERTIARY ALKYL) THIOPHOSPHONATE INSECTICIDES

PR-7917A/8185 S,S-DI-(TERTIARY ALKYL) THIOPHOSPHONATE INSECTICIDES of the Invention Compounds having the formula in which R is methyl or ethyl, and R1 and R2 are the same or different tertiary alkyl groups each having from 4 to 6 carbon atoms, are insecticides and nematicides, especially for control...

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Bibliographische Detailangaben
Hauptverfasser:	CHANG, LYDIA L, ONISKO, BRUCE C, CHAVDARIAN, CHARLES G, EARHART, JONATHAN P
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM AGRICULTURE ANIMAL HUSBANDRY BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES CHEMISTRY FISHING FORESTRY HUMAN NECESSITIES HUNTING METALLURGY ORGANIC CHEMISTRY PEST REPELLANTS OR ATTRACTANTS PLANT GROWTH REGULATORS PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF TRAPPING
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Zusammenfassung:	PR-7917A/8185 S,S-DI-(TERTIARY ALKYL) THIOPHOSPHONATE INSECTICIDES of the Invention Compounds having the formula in which R is methyl or ethyl, and R1 and R2 are the same or different tertiary alkyl groups each having from 4 to 6 carbon atoms, are insecticides and nematicides, especially for control of soil insects and nematodes. Symmetrical compounds (R1 = R2) may be prepared by reaction of an alkali metal mercaptide with an thiophosphonic dihalide. The alkali metal mercaptide may be prepared by reaction of a tertiary alkyl mercaptan with an alkali metal or alkali metal hydride.