2-Acetidinylacetic acid,its preparation,compositions containing it,and method of sterilising the anthers of a plant
    1.
    发明公开
    2-Acetidinylacetic acid,its preparation,compositions containing it,and method of sterilising the anthers of a plant 失效
    2-Azetidinylessigsäure,它们的制备,含有它们的方法用于植物花药的杀菌组合物。

    公开(公告)号:EP0114706A1

    公开(公告)日:1984-08-01

    申请号:EP84200038.2

    申请日:1984-01-11

    IPC分类号: C07D205/04 A01N43/44

    CPC分类号: C07D205/04 A01N43/44

    摘要: Azetidine compounds of general formula
    or an acid addition salt thereof, wherein R represents a hydrogen atom or an acyl group; R 1 to R 6 are hydrogen, alkyl, aryl or other groups; and Z is a carboxyl group or a derivative thereof, have useful properties by rendering the anthers of plants sterile. By cross-pollination F 1 hybrid seed may thus be prepared. The compounds may be prepared by hydrolysis/alcoholysis of the corresponding nitrile compounds, which are also novel.

    摘要翻译: 通式的化合物氮杂环丁烷... ...或酸加成盐,worinřdarstellt氢原子或酰基; [R <1>至R <6>是氢,烷基,芳基或其它基团; 和Z是羧基或其衍生物,都通过使植物不育的花药有用的性质。 通过异花授粉的F1杂交种子可因此而制备。 所述化合物可通过相应的腈化合物,其是这样的新颖水解/醇解来制备。

    Substituted tetrahydrofuran herbicides
    2.
    发明公开
    Substituted tetrahydrofuran herbicides 失效
    Herbizide Substierte四氢呋喃。

    公开(公告)号:EP0064306A1

    公开(公告)日:1982-11-10

    申请号:EP82200461.0

    申请日:1982-04-15

    摘要: Novel compounds of the general formula,
    wherein each of R°, R, R 1 , R 2 , and R 3 independently represents a hydrogen atom or an alkyl group or R° and R together represent an alkylene group; X represents one of the groups
    wherein R 4 represents a hydrogen atom or an optionally substituted aryl or alkyl group and R 5 represents a hydrogen atom, an alkyl group, an alkenyl group or an alkynyl group; and Ar represents an optionally substituted fully unsaturated ring having 5 or 6 atoms in the ring of which one is a nitrogen atom and the remainder are carbon atoms, or the N-oxide or an acid addition salt thereof, or Ar represents an optionally substituted phenyl group; exhibit useful herbicidal properties.

    摘要翻译: 新的通式为CHEM的化合物,其中R 0,R 1,R 2,R 2和R 3各自独立地表示氢原子或烷基或R 0和 R一起表示亚烷基; X表示中的一个,其中R 4表示氢原子或任选取代的芳基或烷基,R 5表示氢原子,烷基,烯基或炔基; Ar表示在环中具有5或6个原子的任选取代的完全不饱和环,其中一个为氮原子,其余为碳原子,或其N-氧化物或其酸加成盐,或Ar表示任选取代的苯基 组; 表现出有用的除草性能。

    Azetidine derivatives; process for their preparation; and their use as intermediates
    3.
    发明公开
    Azetidine derivatives; process for their preparation; and their use as intermediates 失效
    Azetidinderivate,Verfahren zu ihrer Herstellung und ihre Verwendung als Zwischenprodukte。

    公开(公告)号:EP0190786A1

    公开(公告)日:1986-08-13

    申请号:EP86200091.6

    申请日:1986-01-20

    IPC分类号: C07D205/08 C07D205/04

    CPC分类号: C07D205/08 C07D205/04

    摘要: Substituted azetidinone carboxylates of the general formula I
    wherein R, represents a benzyl, benzhydryl or tosyl group and R 2 represents a hydrogen atom or an alkyl group of up to 6 carbon atoms;

    process for the preparation of azetidinones of formula I, which comprises oxidising an N-substituted dioxopyrrolidine of general formula II:-

    process for the preparation of an N-substituted-3-hydroxymethyl azetidine derivative of general formula III

    which comprises reduction of an N-substituted azetidinone carboxylate of general formula I above.

    摘要翻译: 取代的通式I 的氮杂环丁酮羧酸盐,其中R 1表示苄基,二苯甲基或甲苯磺酰基,R 2表示氢原子或至多6个碳原子的烷基; 用于制备式I的氮杂环丁酮的方法,其包括将通式II的N-取代的二氧代吡咯烷氧化:制备通式III的N-取代-3-羟甲基氮杂环丁烷衍生物的方法,其中 包括还原上述通式I的N-取代的氮杂环丁酮羧酸酯。 t

    Preparation of 1-substituted azetidin-3-ol and acid halid thereof
    8.
    发明公开
    Preparation of 1-substituted azetidin-3-ol and acid halid thereof 失效
    Herstellung von 1-benzyl Azetidin-3-ol und von dem entsprechenden halid Acid。

    公开(公告)号:EP0125714A1

    公开(公告)日:1984-11-21

    申请号:EP84200534.0

    申请日:1984-04-13

    IPC分类号: C07D205/04

    CPC分类号: C07D205/04

    摘要: A process for preparing 1-substituted azetidin-3-ol derivatives of formula:
    or an acid halide thereof, in which R' is an aryl methyl group; and R 2 is a hydrogen atom or an alkyl, aryl or aralkyl group, which comprises

    (a) reacting an epoxy halide of formula:
    in which Hal is a halogen atom, with a primary amine of formula:

    (b) cyclising the resulting addition product of formula:
    in an aqueous medium to form the acid halide of the compound of formula 1, and
    (c) when the free hydroxy compound of formula I is required, treating said acid halide with a base.

    The compounds are intermediates e.g. for the preparation of azetidine-3-carboxylic acid derivatives which exhibit plant growth regulant properties.

    摘要翻译: 制备下式的1-取代的氮杂环丁-3-醇衍生物的方法:其中R 1为芳基甲基;或其酰卤,其中R 1为芳基甲基; 其中R 2是氢原子或烷基,芳基或芳烷基,其包括:(a)使Hal为卤素原子的式:... ...的环氧卤化物与式 :... R 1 -NH 2 III ...(b)在水性介质中使所得到的加成产物:... ...环化,形成式I化合物的酰卤,和(c)当游离 需要式I的羟基化合物,用碱处理所述酰卤。 化合物是例如中间体。 用于制备显示植物生长调节性质的氮杂环丁烷-3-羧酸衍生物。