Process for preparing N-sulphonyl-ureas
    1.
    发明授权
    Process for preparing N-sulphonyl-ureas 失效
    制备N-磺酰脲的方法

    公开(公告)号:US4954628A

    公开(公告)日:1990-09-04

    申请号:US317769

    申请日:1989-03-02

    CPC分类号: C07D521/00 C07C311/60

    摘要: The invention relates to a process for preparing sulphonyl-ureas of the general formula (I) ##STR1## wherein Ar.sub.1 represents a phenyl, naphthyl or thienyl group, the derivatives thereof substituted by C.sub.1-4 alkyl, C.sub.1-4 haloalkyl, (halo)alkoxycarbonyl, (halo)alkyloxy, nitro, cyano groups as well as by halogen atoms,Ar.sub.2 represents a phenyl, pyridyl, pirimidinyl or triazinyl group and the derivatives thereof substituted by C.sub.1-4 (halo)alkyl, C.sub.1-4 (halo)alkyloxy, amino, O-acyl, O-arylsulphonyl, O-(substituted carbamoyl) groups as well as by halogen atoms.According to the invention N-halogen aryl sulphonamidate is reacted in the presence of a carbonylating catalyst, carbon monoxide and an aromatic amine, optionally in the presence of a phase transfer catalyst, or N-halogen aryl sulphonamidate is reacted with carbon monoxide in the presence of a carbonylating catalyst, and optionally in the presence of a phase transfer catalyst, then the obtained reaction mixture is further reacted with an aromatic amine or an N-halogen-arylamine-alkali metal salt is reacted with aryl-sulphonamid in the presence of a carbonylating catalyst, carbon monoxide and optionally in the presence of a phase transfer catalyst or an amine, amine dihalogenid, aryl sulphonamid are reacted in the presence of a carbonylating catalyst and carbon monoxide and the obtained reaction mixture is worked up in a known manner.The thus prepared sulphonyl-ureas are biologically active compounds, which are used in the pharmaceutical industry and for regulating plant growth.

    摘要翻译: 本发明涉及一种制备通式(I)的磺酰脲的方法,其中Ar 1表示苯基,萘基或噻吩基,其衍生物被C 1-4烷基,C 1-4卤代烷基, (卤代)烷氧基羰基,(卤代)烷氧基,硝基,氰基以及卤素原子,Ar 2表示苯基,吡啶基,吡啶基或三嗪基,其衍生物被C 1-4(卤代)烷基, 卤代)烷氧基,氨基,O-酰基,O-芳基磺酰基,O-(取代的氨基甲酰基)基团以及卤素原子。 根据本发明,N-卤素芳基磺酰胺酸酯在羰基化催化剂,一氧化碳和芳族胺的存在下,任选地在相转移催化剂存在下反应,或N-卤素芳基磺酰胺盐与一氧化碳在存在下反应 的羰基化催化剂,并且任选地在相转移催化剂存在下,然后将所得反应混合物进一步与芳族胺反应或N-卤素 - 芳基胺 - 碱金属盐在芳基 - 磺酰胺存在下与 羰基化催化剂,一氧化碳和任选在相转移催化剂或胺,胺二卤代芳基磺酰胺存在下,在羰基化催化剂和一氧化碳的存在下反应,并将所得反应混合物以已知方式处理。 如此制备的磺酰脲是生物活性化合物,其用于制药工业和调节植物生长。

    Process for preparing arylsulphonyl-isocyanates and addition derivatives
thereof
    2.
    发明授权
    Process for preparing arylsulphonyl-isocyanates and addition derivatives thereof 失效
    芳基磺酰基异氰酸酯及其加成衍生物的制备方法

    公开(公告)号:US5068424A

    公开(公告)日:1991-11-26

    申请号:US365790

    申请日:1989-06-14

    CPC分类号: C07C311/65

    摘要: The invention relates to a process for preparing arylsulphonyl isocyanates of the general formula (I) ##STR1## and addition derivatives thereof--where in the formula the meaning of the substituents are as follows:Ar represents optionally substituted aryl, naphthyl- or thienyl group, andHX is a chemical bond or XZR.sub.1 stands for a group where Z is oxygen or sulphur,R.sub.1 is saturated or unsaturated alkyl, benzyl, cyclohexyl or substituted phenyl group orX is an NR.sub.2 R.sub.3 groupwherein R.sub.2 R.sub.3 is hydrogen, alkyl, unsubstituted alkyl, aryl, substituted aryl, aroyl or acyl group, and the essence of the process is that an N-halogen sulphonamidate is carbonylated in the presence of a carbonylating catalyst, in the presence or absence of alcohol, (thio) alcohol or amine reactants and the carbonylated compound obtained is reacted subsequently with the reactants.

    摘要翻译: 本发明涉及制备通式(I)的芳基磺酰基异氰酸酯及其加成衍生物的方法,其中在该式中取代基的含义如下:Ar表示任选取代的芳基,萘基或 噻吩基,HX为化学键,X ZR1表示Z为氧或硫的基团,R1为饱和或不饱和的烷基,苄基,环己基或取代的苯基或X为NR2R3基团,其中R2R3为氢,烷基, 未取代的烷基,芳基,取代的芳基,芳酰基或酰基,并且该方法的本质是在羰基化催化剂存在下,在醇,(硫)醇或胺的存在或不存在下羰基化N-卤代磺酰胺 获得的反应物和羰基化的化合物随后与反应物反应。

    Process for preparing methoxyacetic acid
    7.
    发明授权
    Process for preparing methoxyacetic acid 失效
    制备甲氧基乙酸的方法

    公开(公告)号:US4968840A

    公开(公告)日:1990-11-06

    申请号:US379417

    申请日:1989-07-13

    IPC分类号: C07C51/367

    CPC分类号: C07C51/367 Y02P20/582

    摘要: A process for preparing methoxyacetic acid by reacting monochloroacetic acid with sodium methylate, in a methanolic solvent at increased temperature. Methanol is distilled off and methoxyacetic acid methylester is added to the residue. The stirrable mixture is contacted with dry hydrochloric acid gas. The methoxyacetic acid methylester is distilled off after removing the precipitated sodium chloride, to recover the desired product.

    摘要翻译: 一种通过一氯乙酸与甲醇钠在甲醇溶剂中在升高的温度下反应制备甲氧基乙酸的方法。 蒸馏除去甲醇,加入甲氧基乙酸甲酯。 将可搅拌的混合物与干盐酸气体接触。 除去沉淀的氯化钠后,蒸出甲氧基乙酸甲酯,回收所需产物。

    Antidoted herbicide compositions and antidote compositions
    8.
    发明授权
    Antidoted herbicide compositions and antidote compositions 失效
    抗除草剂组合物和解毒剂组合物

    公开(公告)号:US5055125A

    公开(公告)日:1991-10-08

    申请号:US507314

    申请日:1990-04-10

    摘要: Herbicidal compositions comprising a substituted thiolcarbamate derivative corresponding to the formula (I) wherein R.sub.1, R.sub.2 and R.sub.3 are selected independently from alkyl groups having 1 to 4 carbon atoms and/or a chloroacetanilide derivative corresponding to the formula (II) wherein R.sub.4 and R.sub.5 are hydrogen or alkyl group having 1 to 4 carbon atoms, identical or different, R.sub.6 is an alkoxyalkyl group corresponding to the formula --R.sub.7 --O--R.sub.8 in which R.sub.7 and R.sub.8 are selected from alkyl groups having 1 to 4 carbon atoms and, as an antidote, a thiocarbamic acid derivative corresponding to the formula (III) wherein R.sub.9 and R.sub.10 independently from each other are alkyl or alkenyl group having 1 to 4 carbon atoms, or R.sub.9 and R.sub.10 taken together with one or two nitrogen atoms form a heterocyclic group, which may contain one oxygen atom or they form a soiro-heterocyclic or condensated ring, which can be substituted with alkyl groups having 1 to 4 carbon atoms or an aryl group, R.sub.11 is an alkyl or alkenyl group having 1 to 3 carbon atoms or a benzyl group containing one or 2 substituents, carboxy methylene, 1-methylene naphtyl, acetophenon-(2)-yl-, carb-(.alpha.)naphthoxy-methylene, N-methylene o-benzoic acid sulphimide, N-isopropyl-N-phenylacetamidyl, N,N-disubstituted-2-acetamidyl group containing alkyl, alkylene groups having 1 to 3 carbon atoms, alkoxyalkyl, phenyl or dialkyl phenyl group.

    摘要翻译: 包含对应于式(I)的取代的硫代氨基甲酸酯衍生物的除草组合物,其中R 1,R 2和R 3独立地选自具有1至4个碳原子的烷基和/或对应于式(II)的氯代乙酰苯胺衍生物,其中R 4和R 5是 氢或具有1〜4个碳原子的烷基相同或不同,R6是对应于式-R7-O-R8的烷氧基烷基,其中R 7和R 8选自具有1至4个碳原子的烷基,作为 解毒剂,对应于式(III)的氨基甲酸衍生物,其中R 9和R 10彼此独立地为具有1至4个碳原子的烷基或烯基,或者R 9和R 10与一个或两个氮原子一起形成杂环基, 其可以含有一个氧原子,或者它们形成可以被具有1至4个碳原子的烷基或芳基取代的单环或缩合的环,R 11是烷基或链烯基 具有1至3个碳原子的苄基或含有一个或两个取代基的苄基,羧基亚甲基,1-亚甲基萘基,苯乙酮 - (2) - 基 - ,碳 - (α)萘氧基 - 亚甲基,N-亚甲基邻苯甲酸 亚磺酰亚胺,N-异丙基-N-苯基乙酰胺基,含有N,N-二取代-2-乙酰氨基的烷基,具有1至3个碳原子的亚烷基,烷氧基烷基,苯基或二烷基苯基。