Herbicidal N-[4-(3'-alkoxyphenoxy)-phenyl]-N'-methylureas
    31.
    发明授权
    Herbicidal N-[4-(3'-alkoxyphenoxy)-phenyl]-N'-methylureas 失效
    除草剂N- [4-(3'-烷氧基苯氧基) - 苯基] -N'-甲基脲

    公开(公告)号:US4376646A

    公开(公告)日:1983-03-15

    申请号:US241295

    申请日:1981-03-06

    摘要: Novel ureas of the formula I have herbicidal activity and are suitable in small applied amounts for selectively combating weeds in cultivated crops of soya-bean, maize and cereals. They are advantgeously produced by the isocyanate method and correspond to the formula I ##STR1## wherein R.sub.1 is an unsubstituted or substituted C.sub.1 -C.sub.6 -alkyl, C.sub.2 -C.sub.6 -alkenyl, C.sub.2 -C.sub.6 -alkynyl, aralkyl, phenyl, acyl or C.sub.1 -C.sub.4 -alkylsulfonyl group or an aminoalkyl group,R.sub.2 is hydrogen, halogen, C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxy,R.sub.3 is hydrogen, halogen, cyano or trifluoromethyl,R.sub.4 is hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.2 -C.sub.6 -alkenyl, C.sub.2 -C.sub.6 -alkynyl or C.sub.1 -C.sub.6 -alkoxy,R.sub.5 is hydrogen, C.sub.1 -C.sub.6 -alkyl or C.sub.2 -C.sub.6 -alkenyl, or R.sub.5 together with R.sub.4 and the nitrogen atom to which they are bound also form a 5-6-membered heterocycle, andX is oxygen, sulfur or the sulfinyl or sulfonyl group.

    摘要翻译: 式的新型脲具有除草活性,适用于小量施用量,用于选择性地防治大豆,玉米和谷类的栽培作物中的杂草。 它们通过异氰酸酯方法有利地产生,并且对应于式I(I)其中R 1是未取代或取代的C 1 -C 6 - 烷基,C 2 -C 6 - 烯基,C 2 -C 6 - 炔基,芳烷基,苯基,酰基 或C 1 -C 4 - 烷基磺酰基或氨基烷基,R 2是氢,卤素,C 1 -C 4 - 烷基或C 1 -C 4 - 烷氧基,R 3是氢,卤素,氰基或三氟甲基,R 4是氢,C 1 -C 6烷基, C 2 -C 6 - 烯基,C 2 -C 6 - 炔基或C 1 -C 6 - 烷氧基,R 5是氢,C 1 -C 6 - 烷基或C 2 -C 6 - 链烯基,或者R 5与R 4一起形成, 5-6元杂环,X是氧,硫或亚磺酰基或磺酰基。

    1,3,4-Thiadiazolyloxyphenylureas
    32.
    发明授权
    1,3,4-Thiadiazolyloxyphenylureas 失效
    1,3,4-噻二唑基氧基苯基脲

    公开(公告)号:US4364769A

    公开(公告)日:1982-12-21

    申请号:US166679

    申请日:1980-07-07

    摘要: The invention relates to novel 1,3,4-thiadiazolyloxyphenylureas which possess herbicidal properties and which have good selectivity in different crops of cultivated plants. The novel phenylureas have the general formula I ##STR1## wherein X is hydrogen, halogen or trifluoromethyl,Y is hydrogen, C.sub.1 -C.sub.6 alkyl which can be interrupted by oxygen or substituted by halogen or cyano; C.sub.3 -C.sub.6 cycloalkyl, cyclopropylmethyl, phenyl which is unsubstituted or substituted by chlorine or C.sub.1 -C.sub.4 alkyl; or is C.sub.1 -C.sub.4 alkylthio, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkylsulfinyl or C.sub.1 -C.sub.4 alkylsulfonyl, or a sulfamoyl group --SO.sub.2 NR.sub.2 R.sub.3,R.sub.1 is hydrogen or C.sub.1 -C.sub.4 alkyl,R.sub.2 is hydrogen, C.sub.1 -C.sub.6 alkyl which can be interrupted by oxygen or substituted by halogen or cyano, or is C.sub.3 -C.sub.6 alkenyl or C.sub.3 -C.sub.6 alkynyl, or C.sub.3 -C.sub.6 cycloalkyl, has the same meaning as R.sub.2 or is C.sub.1 -C.sub.6 alkoxy, orR.sub.2 and R.sub.3, together with the nitrogen atom to which they are attached, can also form a 5- or 6-membered heterocyclic ring system which can contain an additional oxygen or sulfur atom or an imino group which is unsubstituted or substituted by C.sub.1 -C.sub.3 alkyl.

    摘要翻译: 本发明涉及具有除草性能并且在不同作物栽培植物中具有良好选择性的新型1,3,4-噻二唑基氧基苯基脲。 新颖的苯脲具有通式I其中X为氢,卤素或三氟甲基,Y为氢,可被氧中断或被卤素或氰基取代的C 1 -C 6烷基; C3-C6环烷基,环丙基甲基,未取代或被氯或C1-C4烷基取代的苯基; 或者是C1-C4烷硫基,C1-C4烷氧基,C1-C4烷基亚磺酰基或C1-C4烷基磺酰基,或氨磺酰基-SO2NR2R3,R1是氢或C1-C4烷基,R2是氢,可被中断的C1-C6烷基 或被C 3 -C 6炔基或C 3 -C 6环烷基取代,或具有与R 2相同的含义或C 1 -C 6烷氧基,或者R 2和R 3与氮原子一起 它们还可以形成可以含有另外的氧或硫原子的5或6元杂环体系或未被取代或被C 1 -C 3烷基取代的亚氨基。

    Phenoxyphenoxyalkanecarboxylic acid esters
    33.
    发明授权
    Phenoxyphenoxyalkanecarboxylic acid esters 失效
    苯氧基苯氧基羧酸酯

    公开(公告)号:US4221581A

    公开(公告)日:1980-09-09

    申请号:US953236

    申请日:1978-10-20

    摘要: The present invention relates to novel herbicidally active phenoxyphenoxyalkanecarboxylic acid esters, compositions which contain these compounds as active ingredient, and a method of selectively controlling weeds in crops of cultivated plants or of regulating plant growth which comprises the use of these compounds.The phenoxyphenoxyalkanecarboxylic acid esters have the formula ##STR1## wherein R.sub.1 is hydrogen, halogen or cyano,R.sub.2 is hydrogen or lower alkyl,R.sub.3 is a radical OR.sub.4 or SR.sub.5,R.sub.4 is a substituted alkyl radical, an alkenyl, alkynyl, cycloalkyl radical, a substituted or unsubstituted phenyl or benzyl radical or a 5- to 6-membered heterocyclic radical, andR.sub.5 is an unsubstituted alkyl radical or has the same meaning as R.sub.4.

    摘要翻译: 本发明涉及新颖的除草活性苯氧基苯氧基羧酸酯,其含有这些化合物作为活性成分的组合物,以及选择性地控制栽培植物作物或调节植物生长的杂草的方法,其包括使用这些化合物。 苯氧基苯氧基羧酸酯具有下式:其中R 1是氢,卤素或氰基,R 2是氢或低级烷基,R 3是基团OR 4或SR 5,R 4是取代的烷基,烯基,炔基,环烷基, 取代或未取代的苯基或苄基或5-至6-元杂环基,R 5为未取代的烷基或具有与R 4相同的含义。

    2-Methyl-3-nitrobenzoic acid (2'-cyanoethyl) ester
    35.
    发明授权
    2-Methyl-3-nitrobenzoic acid (2'-cyanoethyl) ester 失效
    2-甲基-3-硝基苯甲酸(2“ - 氰基乙酯)酯

    公开(公告)号:US4115430A

    公开(公告)日:1978-09-19

    申请号:US811344

    申请日:1977-06-29

    申请人: Otto Rohr

    发明人: Otto Rohr

    摘要: A composition and method for inhibiting the growth of plants, mono- and dicotyledonous plants such as soya, tobacco cereal grass, ornamental plants are disclosed. The active priciple is benzoic acids and esters corresponding to formula ##STR1## wherein R is hydrogen, C.sub.1 -C.sub.12 alkyl unsubstituted or substituted by halogen, nitro, cyano, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkylcarbonyl, C.sub.1 -C.sub.4 alkylamino, di-C.sub.1 -C.sub.4 -alkylamino, C.sub.3 -C.sub.6 cycloalkyl, furyl, tetrahydrofuryl, phenyl that may be substituted by halogen or methyl; C.sub.2 -C.sub.20 alkenyl; C.sub.2 -C.sub.20 halogenoalkenyl; C.sub.2 -C.sub.4 alkinyl; C.sub.3 -C.sub.20 cycloalkyl; phenyl, unsubstituted or substituted by halogen, C.sub.1 -C.sub.4 alkyl; C.sub.1 -C.sub.4 alkoxy; C.sub.1 -C.sub.4 alkylthio; C.sub.1 -C.sub.2 halogenoalkyl, cyano or nitro;X is oxygen or sulfur.Some of the esters are disclosed here for the first time.