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    • 4. 发明授权
    • (N,-dimethyl-N-{8 3-methylmetalolycarbamyloxy)-phenyl{9 -urea
    • (N,N-二甲基-N- {8 3-甲基亚氨基甲酰氧基) - 苯基{9-脲
    • US3879441A
    • 1975-04-22
    • US5398870
    • 1970-07-10
    • SCHERING AG
    • BOROSCHEWSKI GERHARDARNDT FREDERICHRUSCH REINHARD
    • A01N47/30A01N47/38C07C273/18C07C101/18
    • C07C273/1854
    • WHERE R4 is hydrogen or alkyl, R5, hydrogen or alkyl, R6, alkyl or alkoxy, R5 and R6 are jointly with the N atom a heterocyclic ring possibly containing additional N and/or O atoms, AND X is oxygen or sulfur and, if B represents hydrogen, R2 may also represent alkyl or alkenyl, possess a herbidical effect and are suitable in particular for weed control in crop cultivations.

      WHERE R1 is hydrogen or alkyl, R2, aryl, aralkyl, or cycloakly possibly mono- or polysubstituted by alkyl and/or halogen alkyl and/or alkoxy and/or alkyl mecapto and/or halogen and/or the nitro group, R3, hydrogen or alkyl, A and B are different and represent hydrogen or the radical

      Agents having at least one compound of the general formula
    • 具有至少一种通式的化合物,其中R 1是氢或烷基,R 2,芳基,芳烷基或可以被烷基和/或卤素烷基和/或卤素烷基和/或卤素单取代或多取代的化合物, 或卤素和/或硝基,R 3,氢或烷基,A和B不同,表示氢或基团,其中R 4是氢或烷基,R 5,氢或烷基,R 6,烷基或烷氧基,R 5和R 6共同 N原子是可能含有另外的N和/或O原子的杂环,X是氧或硫,如果B代表氢,则R2也可以代表烷基或烯基,具有草本效应,特别适用于杂草控制 在作物栽培中。
    • 6. 发明授权
    • N-acyl biscarbamate herbicides
    • N-酰基双氨基甲酸酯除草剂
    • US3904669A
    • 1975-09-09
    • US22562672
    • 1972-02-11
    • SCHERING AG
    • BOROSCHEWSKI GERHARDARNDT FRIEDRICH
    • A01N47/22A01N20060101A01P13/00C07C20060101C07C333/08C07D20060101C07C125/06
    • C07C271/06
    • Biscarbamates of the formula

      are selective herbicides harmless to many crop plants at dosage rates which kill many common weeds, and wherein R1 is hydrogen, alkanoyl, alkyl, cycloalkyl, or a substitution product of said alkyl, alkanoyl, alkyl, or cycloalkyl; R2 is hydrogen, alkyl, alkenyl, cycloalkyl, aryl or a substitution product of said alkyl, alkenyl, cycloalkyl, or aryl; or R1 and R2 are connected by the nitrogen atom to form a heterocyclic ring which may contain one or more additional nitrogen and/or oxygen atoms; R3 is hydrogen, alkyl, alkanoyl, or substituted alkanoyl, at least one of R1 and R3 being the acyl radical of an acid; R4 is alkyl or a substitution product thereof; R5 is hydrogen, alkyl, or halogen; X and Y are oxygen or sulfur, and are different or identical. The biscarbamates of formula (I) are most effective in synergistic mixtures with biscarbamates of the formula

      wherein R''1 is hydrogen or alkyl; R''2 is the radical of an aliphatic, cycloaliphatic, or aromatic hydrocarbon which may carry one or more substituents; or R''1 and R''2 are connected by the nitrogen atom to form a heterocyclic ring which may contain one or more additional nitrogen and/or oxygen atoms; R''3 is alkyl, preferably methyl or ethyl, which may further be substituted; and X'' and Y'' are oxygen or sulfur, and are different or identical.
    • 式R 1 O-CO-N ANGLE | R2(I)R5 | N-CX-Y-R4 | R3的双氨基甲酸酯是许多作物的选择性除草剂,其杀死许多常见杂草的剂量率,其中R1是氢, 烷酰基,烷基,环烷基或所述烷基,烷酰基,烷基或环烷基的取代产物; R2是氢,烷基,烯基,环烷基,芳基或所述烷基,烯基,环烷基或芳基的取代产物; 或者R 1和R 2通过氮原子连接形成可含有一个或多个另外的氮和/或氧原子的杂环; R3是氢,烷基,烷酰基或取代的烷酰基,R1和R3中的至少一个是酸的酰基; R4是烷基或其取代产物; R5是氢,烷基或卤素; X和Y是氧或硫,并且是不同的或相同的。 式(I)的双氨基甲酸酯在与式R'1O-CO-N ANGLE | R'2(II)| N-CX'-Y'-R'3的双氨基甲酸酯的协同混合物中最有效,其中R' 1是氢或烷基; R'2是可以携带一个或多个取代基的脂族,脂环族或芳族烃的基团; 或R'1和R'2通过氮原子连接形成可含有一个或多个另外的氮和/或氧原子的杂环; R'3是烷基,优选甲基或乙基,其可进一步被取代; X'和Y'是氧或硫,并且是不同的或相同的。