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    • 8. 发明授权
      US3248458A Organic phosphorus esters and anhydrides 失效
    • Organic phosphorus esters and anhydrides
    • 有机磷酯和酸酐
    • US3248458A
    • 1966-04-26
    • US23259362
    • 1962-10-23
    • BAYER AG
    • GUNTER OERTEL , HUGO MALZ , HANS HOLTSCHMIDT
    • C07F9/06 , C07F9/08 , C07F9/09 , C07F9/141 , C07F9/16 , C07F9/165 , C07F9/201 , C07F9/22 , C07F9/24 , C07F9/30 , C07F9/32 , C07F9/38 , C07F9/44 , C07F9/46 , C07F9/48 , C07F9/59 , C07F9/6533
    • C07F9/6533 , C07F9/06 , C07F9/08 , C07F9/096 , C07F9/141 , C07F9/1415 , C07F9/1417 , C07F9/16 , C07F9/1656 , C07F9/2015 , C07F9/22 , C07F9/2433 , C07F9/2441 , C07F9/2479 , C07F9/30 , C07F9/3294 , C07F9/38 , C07F9/4457 , C07F9/46 , C07F9/4883 , C07F9/591
    • The invention comprises organic phosphorus compounds of the general formula wherein R1 and R2, which may be the same or different represent C1-C4 alkyl, C1-C4 alkoxy, C1-C4 alkylmercapto, C1-C4 alkylamino, di-C1-C4 alkylamine, cyano-substituted di-C1-C4-alkylamino, phenyl, C1-C4 alkylmercapto-substituted phenoxy, phenylamino, or morpholyl radicals or a further group or R2 and R2 together form an alkylene-dioxy group; R3 and R4, which may be the same or different, represent hydrogen atoms or C1-C4 alkyl, cyano-substituted C1-C4 alkyl, or phenyl radicals or the group represents a morpholyl or piperidyl radical; A represents the residue of carbonic, sulphurous, phenyldithiophosphonic, C1-C4 alkoxy-substituted phenyldithiophosphonic, phthalic, halogen-substituted phthalic, or maleic acid; and X represents an electron pair or a sulphur atom. These compounds may be produced by reacting an appropriate organic compound of trivalent phosphorus containing at least one phosphorus-nitrogen band with an appropriate organic or triorganic anhydride to give a compound in which X is an electron pair and, if desired, reacting said compound with elementary sulphur or a sulphur-yielding agent to give a compound in which X is a sulphur atom. The compounds of the invention exhibit pesticidal activity (see Division A5).ALSO:Pesticidal compositions contain an organophosphorus compound of the general formula wherein R1 and R2, which may be the same or different, represent C1-C4 alkyl, C1-C4 alkoxy, C1-C4 alkylmercapto, C1-C4 alkylamino, di-C1-C4-alkylamino, cyano-substituted-di-C1-C4 alkylamino, phenyl, C1-C4 alkylmercapto-substituted phenoxy, phenylamino, or morpholyl radicals or a further group or R1 and R2 together form an alkylenedioxy group; R3 and R4, which may be the same or different, represent hydrogen atoms or C1-C4 alkyl, cyano-substituted C1-C4 alkyl, or phenyl radicals or the group represents a morpholyl or piperidyl radical; A represents the residue of carbonic, sulphurous, phenyldithiophosphoric, C1-C4 alkoxy-substituted phenyldithiophosphoric, phthalic, halogen substituted phthalic or maleic acid; and X represents an eletron pair or a sulphur atom, in admixture with a solid or liquid diluent or carrier.
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