Process for the preparation of 2-cyano-2-oximino-acetamide derivatives
    3.
    发明授权
    Process for the preparation of 2-cyano-2-oximino-acetamide derivatives 失效
    2-氰基-2-肟基 - 乙酰胺衍生物的制备方法

    公开(公告)号:US4841086A

    公开(公告)日:1989-06-20

    申请号:US146051

    申请日:1988-01-20

    摘要: A process for the preparation of a 2-cyano-2-oximino-acetamide derivative of the formula ##STR1## in which R.sup.I is alkyl or other organic radical,R.sup.II is hydrogen or alkyl,R.sup.III is hydrogen, alkyl or other organic radical which comprises reacting a 2-cyano-2-oximino-acetamide of the formula ##STR2## with a base B at a temperature between 0.degree. C. and 100.degree. C., to produce a salt of the formula ##STR3## in which B represents one equivalent of an organic of inorganic base,and reacting such salt with an alkylating agent of the formula ##STR4## in which X is halogen, methane- or p-toluenesulphonate or methyl sulphate, at a temperature between 0.degree. C. and 150.degree. C.

    摘要翻译: 制备式“IMAGE”的2-氰基-2-肟基 - 乙酰胺衍生物的方法,其中R 1为烷基或其它有机基团,RII为氢或烷基,RIII为氢,烷基或其它有机基团,其包含 使式“IMAGE”的2-氰基-2-肟基 - 乙酰胺与碱B在0℃至100℃之间的温度下反应,得到式“IMAGE”的盐,其中B代表一个 相当于无机碱的有机物,并使该盐与式(XI)的烷基化剂(其中X为卤素,甲烷或对甲苯磺酸盐或甲基硫酸盐)在0℃至150℃的温度下反应 。

    Herbicidal agents
    5.
    发明授权
    Herbicidal agents 失效
    除草剂

    公开(公告)号:US4874424A

    公开(公告)日:1989-10-17

    申请号:US186548

    申请日:1988-04-27

    CPC分类号: A01N47/02 A01N37/46 A01N37/48

    摘要: A method of combating unwanted vegetation which comprises applying to such vegetation or to a locus from which it is desired to exclude such vegetation a herbicidally effective amount of an alkoximinoalkylamide of the formula ##STR1## in which R represents hydrogen or alkyl,R.sup.1 represents hydrogen, halogen, cyano, nitro, alkyl, alkoxy, alkylthio, halogenoalkyl, halogenoalkoxy, halogenoalkylthio, phenyl, phenoxy, formyl, alkoxycarbonyl, alkanoyl or alkoximinoalkyl andR.sup.2 represents halogen, cyano, nitro, alkyl, alkoxy, alkylthio, halogenoalkyl, halogenoalkoxy, halogenoalkylthio, phenyl phenoxy, formyl, alkoxycarbonyl, alkanoyl or alkoximinoalkyl.

    摘要翻译: 一种防治不想要的植被的方法,其包括施用于这样的植被或希望从其排除这些植被的场所,除草有效量的式(I)的肟基烷基酰胺,其中R表示氢或烷基,R1 烷氧基,氰基,硝基,烷基,烷氧基,烷硫基,卤代烷基,卤代烷氧基,卤代烷硫基,苯基,苯氧基,甲酰基,烷氧基羰基,烷酰基或烷肟基烷基,R2代表卤素,氰基,硝基,烷基,烷氧基,烷硫基,卤代烷基,卤代烷氧基 ,卤代烷硫基,苯基苯氧基,甲酰基,烷氧基羰基,烷酰基或烷肟基烷基。

    Process for the manufacture of sulfonylaminocarbonyl triazolinones and
salts thereof under pH controlled conditions
    6.
    发明授权
    Process for the manufacture of sulfonylaminocarbonyl triazolinones and salts thereof under pH controlled conditions 有权
    在pH控制条件下制备磺酰氨基羰基三唑啉酮及其盐的方法

    公开(公告)号:US6147222A

    公开(公告)日:2000-11-14

    申请号:US472672

    申请日:1999-12-27

    IPC分类号: C07D249/12

    CPC分类号: C07D249/12

    摘要: The present invention relates to a process for manufacturing sulfonylaminocarbonyl triazolinones and salts thereof, which are herbicidally active compounds, wherein the improvement comprises conducting the conversion reaction of the sulfonylaminocarbonyl triazolinone to a salt thereof under pH controlled conditions. In particular, this invention relates to the conversion of a substituted triazolinone to a sulfonylaminocarbonyl triazolinone, and without the isolation of this intermediate product, the sulfonylaminocarbonyl triazolinone is then converted to a salt thereof.

    摘要翻译: 本发明涉及作为除草活性化合物的磺酰基氨基羰基三唑啉酮及其盐的制备方法,其中改进包括在pH控制条件下进行磺酰氨基羰基三唑啉酮与其盐的转化反应。 特别地,本发明涉及取代的三唑啉酮转化为磺酰基氨基羰基三唑啉酮,并且不分离该中间产物,然后将磺酰基氨基羰基三唑啉酮转化为其盐。

    Process for preparing 4-amino-1,2,4-triazolin-5-ones
    7.
    发明授权
    Process for preparing 4-amino-1,2,4-triazolin-5-ones 有权
    制备4-氨基-1,2,4-三唑啉-5-酮的方法

    公开(公告)号:US5912354A

    公开(公告)日:1999-06-15

    申请号:US210321

    申请日:1998-12-11

    IPC分类号: C07D249/12

    CPC分类号: C07D249/12

    摘要: The present invention is related to an improved process for the commercial preparation of substituted aminotriazolinones, which are known intermediates in the preparation of herbicidal active compounds. In particular, this invention relates to the preparation of 4-amino-1,2,4-triazolin-5-ones, and more particularly to the preparation of 3-isopropyl-4-aminotriazolinone. The process of the invention includes reacting an oxadiazolinone with hydrazine hydrate in the absence of a solvent. In a preferred embodiment, the hydrazine hydrate is mixed with a basic compound, preferably aqueous sodium hydroxide.

    摘要翻译: 本发明涉及商业上制备取代氨基三唑啉酮的改进方法,其是制备除草活性化合物的已知中间体。 特别地,本发明涉及4-氨基-1,2,4-三唑啉-5-酮的制备,更具体地说涉及3-异丙基-4-氨基三唑啉酮的制备。 本发明的方法包括在不存在溶剂的情况下使恶二唑啉酮与水合肼反应。 在优选的实施方案中,将水合肼与碱性化合物,优选氢氧化钠水溶液混合。

    Process for the manufacture of substituted triazolinones
    9.
    发明授权
    Process for the manufacture of substituted triazolinones 有权
    制备取代的三唑啉酮的方法

    公开(公告)号:US06197971B1

    公开(公告)日:2001-03-06

    申请号:US09472482

    申请日:1999-12-27

    IPC分类号: C07D24912

    CPC分类号: C07D249/12

    摘要: The present invention relates to a process for manufacturing substituted triazolinones, which are intermediates in the preparation of herbicidally active compounds. In particular, this invention relates to the alkylation of a non-alkylated triazolinone intermediate product, wherein the improvement comprises conducting the alkylation reaction under pH controlled conditions. In a preferred embodiment, the invention relates to the preparation of a 5-alkoxy(or aryloxy)-2,4-dihydro-3H-1,2,4-triazol-3-one, and the alkylation of this non-alkylated triazolinone intermediate product, to produce a 5-alkoxy(or aryloxy)-4-alkyl-2,4-dihydro-3H-1,2,4-triazol-3-one.

    摘要翻译: 本发明涉及一种制备取代三唑啉酮的方法,它是制备除草活性化合物的中间体。 特别地,本发明涉及非烷基化三唑啉酮中间产物的烷基化,其中改进包括在pH控制条件下进行烷基化反应。 在优选的实施方案中,本发明涉及5-烷氧基(或芳氧基)-2,4-二氢-3H-1,2,4-三唑-3-酮的制备,并且该非烷基化的三唑啉酮的烷基化 中间产物,生成5-烷氧基(或芳氧基)-4-烷基-2,4-二氢-3H-1,2,4-三唑-3-酮。

    Process for the preparation of
2-(methylsulfonyl)-5-(trifluoromethyl)-1,3,4-thiadiazole (TDA sulfone)
    10.
    发明授权
    Process for the preparation of 2-(methylsulfonyl)-5-(trifluoromethyl)-1,3,4-thiadiazole (TDA sulfone) 有权
    制备2-(甲基磺酰基)-5-(三氟甲基)-1,3,4-噻二唑(TDA砜)的方法

    公开(公告)号:US6031108A

    公开(公告)日:2000-02-29

    申请号:US153920

    申请日:1998-09-16

    CPC分类号: C07D285/125

    摘要: The present invention provides a process for making thiadiazole sulfones. In particular, the present process is used to make 2-(methylsulfonyl)-5-(trifluoromethyl)-1,3,4-thiadiazole using catalytic oxidation in the presence of a suitable oxidizing agent. The catalyst system used for the oxidation reaction is a mixture of glacial acetic acid and a tungsten catalyst. The tungsten catalyst is preferably selected from the group consisting of sodium tungstate, potassium tunstate, and tungstic acid.

    摘要翻译: 本发明提供了制备噻二唑砜的方法。 特别地,本方法用于在合适的氧化剂存在下使用催化氧化制备2-(甲基磺酰基)-5-(三氟甲基)-1,3,4-噻二唑。 用于氧化反应的催化剂体系是冰醋酸和钨催化剂的混合物。 钨催化剂优选选自钨酸钠,焦磷酸钾和钨酸。