5-hydroxypyrazol-4-ylcarbonyl-substituted saccharin derivatives
    63.
    发明授权
    5-hydroxypyrazol-4-ylcarbonyl-substituted saccharin derivatives 失效
    5-羟基吡唑-4-基羰基取代的糖精衍生物

    公开(公告)号:US5723415A

    公开(公告)日:1998-03-03

    申请号:US776576

    申请日:1997-02-03

    CPC分类号: C07D417/06 A01N43/80

    摘要: 5-Hydroxypyrazol-4-ylcarbonyl-substituted saccharin derivatives of the formula I ##STR1## where the substituents have the following meanings: L and M are hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkylthio, chlorine, cyano, methylsulfonyl, nitro or trifluoromethyl; Z is hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.3 -C.sub.8 -cycloalkyl, C.sub.3 -C.sub.6 -alkenyl, C.sub.3 -C.sub.5 -alkynyl, C.sub.1 -C.sub.4 -acyl, benzyl or phenyl, the phenyl rings in each case being unsubstituted or substituted by halogen or C.sub.1 -C.sub.4 -alkyl; Q is a radical CO--J, J is a 4-linked 5-hydroxypyrazole ring of the formula II ##STR2## where R .sup.1 is C.sub.1 -C.sub.4 -alkyl and R .sup.2 is hydrogen or methyl, and agriculturally customary salts of the compounds I are described.

    摘要翻译: PCT No.PCT / EP95 / 02974 Sec。 371日期1997年2月3日 102(e)日期1997年2月3日PCT提交1995年7月27日PCT公布。 出版物WO96 / 05197 日期:1992年2月22日 - 式I的羟基吡唑-4-基羰基取代的糖精衍生物其中取代基具有以下含义:L和M是氢,C 1 -C 4 - 烷基,C 1 -C 4 - 烷氧基, C 1 -C 4 - 烷硫基,氯,氰基,甲基磺酰基,硝基或三氟甲基; Z是氢,C 1 -C 4 - 烷基,C 3 -C 8 - 环烷基,C 3 -C 6 - 烯基,C 3 -C 5 - 炔基,C 1 -C 4 - 酰基,苄基或苯基,每种情况下的苯环是未取代的或被卤素 或C 1 -C 4烷基; Q是基团CO-J,J是式II其中R 1是C 1 -C 4 - 烷基和R 2是氢或甲基的4-连接的5-羟基吡唑环,以及化合物的农业常规盐 我被描述

    Preparation of 3-(3,4,5,6-tetrahydro-phthalimido)-benzaldehydes
    64.
    发明授权
    Preparation of 3-(3,4,5,6-tetrahydro-phthalimido)-benzaldehydes 失效
    3-(3,4,5,6-四氢 - 苯二甲酰亚氨基) - 苯甲醛的制备

    公开(公告)号:US4937354A

    公开(公告)日:1990-06-26

    申请号:US337865

    申请日:1989-04-14

    摘要: 3-(3,4,5,6-Tetrahydrophthalimido)-benzaldehydes of the type I ##STR1## or corresponding derivatives substituted in the phenyl ring are prepared by(a) acetalization of a 3-nitrobenzaldehyde III or of a corresponding derivative with an alcohol IV in the presence of an acidic catalyst to give the corresponding cyclic acetal V ##STR2## (b) reduction of the cyclic acetal V with hydrogen to give the corresponding amino compound II and(c) subsequent condensation of this aminophenyl acetal II with 3,4,5,6-tetrahydrophthalic anhydride in an acidic reaction medium.

    摘要翻译: 通过(a)将3-硝基苯甲醛III或相应的衍生物缩二醛化,制备I型I的3-(3,4,5,6-四氢邻苯二甲酰亚氨基) - 苯甲醛或在苯环中取代的相应衍生物 在酸性催化剂存在下加入醇IV,得到相应的环状缩醛V(b)用氢还原环状缩醛V,得到相应的氨基化合物II,和(c)该氨基苯基缩醛II的随后缩合 与3,4,5,6-四氢邻苯二甲酸酐在酸性反应介质中反应。

    3-Aryl-5-methylpyrazole-4-carboxylic acid esters
    66.
    发明授权
    3-Aryl-5-methylpyrazole-4-carboxylic acid esters 失效
    3-芳基-5-甲基吡唑-4-羧酸酯

    公开(公告)号:US4401821A

    公开(公告)日:1983-08-30

    申请号:US279696

    申请日:1981-07-02

    摘要: Herbicides containing a pyrazole derivative of the formula ##STR1## where R.sup.1 denotes hydrogen, formyl, acetyl, propionyl, chloroacetyl, dichloroacetyl, methoxyacetyl, methoxycarbonyl, or phenoxycarbonyl which is unsubstituted or mono- or polysubstituted by halogen, R.sup.2 denotes phenyl which is unsubstituted or mono- or polysubstituted by fluorine, chlorine, bromine, methyl, methoxy, cyano, nitro, trifluoromethyl, trifluoromethoxy or methoxycarbonyl, R.sup.2 further denotes a 5- to 6-membered, heterocyclic aromatic ring which is unsubstituted or substituted by methyl or chlorine and which contains 1 or 2 hetero-atoms X, X being independently oxygen, sulfur or nitrogen, or R.sup.2 denotes .alpha.-naphthyl or .beta.-naphthyl, and R.sup.3 denotes methyl, ethyl or isopropyl, or a salt of such a pyrazole derivative, a process for combating unwanted plant growth with the active ingredients and methods of manufacturing the herbicides.

    摘要翻译: 除草剂,其含有下式的吡唑衍生物,其中R1表示氢,甲酰基,乙酰基,丙酰基,氯乙酰基,二氯乙酰基,甲氧基乙酰基,甲氧基羰基或被卤素单取代或多取代的苯氧基羰基, 被氟,氯,溴,甲基,甲氧基,氰基,硝基,三氟甲基,三氟甲氧基或甲氧基羰基单取代或多取代,R2还表示未被取代或被甲基或氯取代的5至6元杂环芳环, 含有1或2个杂原子X,X独立地为氧,硫或氮,或R2表示α-萘基或β-萘基,R3表示甲基,乙基或异丙基,或该吡唑衍生物的盐, 用活性成分和制造除草剂的方法防治有害植物生长。