Phenylimidazolidine preparation process
    1.
    发明授权
    Phenylimidazolidine preparation process 失效
    苯基咪唑烷制备方法

    公开(公告)号:US6107488A

    公开(公告)日:2000-08-22

    申请号:US68846

    申请日:1998-06-10

    摘要: A subject of the invention is a preparation process for the products of formula (I): ##STR1## in which R.sub.1 and R.sub.2 represent in particular hydrogen, cyano, halogen or amino,R.sub.3 represents in particular hydrogen or hydroxyl alkyl,R.sub.4 and R.sub.5 represent in particular optionally substituted alkyl,X and y represent oxygen or sulphur, characterized in that a product of formula (A): ##STR2## is prepared in which W represents a halogen atom or a hydantoin derivative,which is subjected to various reactions in order to obtain the products of formula (I), all their isomers and their salts.

    摘要翻译: PCT No.PCT / FR96 / 01794 Sec。 371日期:1998年5月15日 102(e)日期1998年5月15日PCT 1996年11月14日PCT PCT。 公开号WO97 / 18197 日期1997年5月22日本发明的主题是式(I)的产物的制备方法:其中R 1和R 2特别表示氢,氰基,卤素或氨基,R 3特别表示氢或羟烷基,R 4和R 5 特别是任选取代的烷基,X和Y表示氧或硫,其特征在于制备式(A)的产物,其中W表示卤素原子或乙内酰脲衍生物,其进行各种反应以获得 式(I)的产物,其所有异构体及其盐。

    Method for preparing 4-(3-pyridinyl)-1h-imidazole and the intermediates used
    4.
    发明授权
    Method for preparing 4-(3-pyridinyl)-1h-imidazole and the intermediates used 有权
    制备4-(3-吡啶基)-1H-咪唑的方法和所用的中间体

    公开(公告)号:US06353108B1

    公开(公告)日:2002-03-05

    申请号:US09743562

    申请日:2001-01-26

    IPC分类号: C07D40104

    CPC分类号: C07D401/04 C07D213/51

    摘要: The invention concerns a method for preparing compounds of formula (I) wherein R represents a hydrogen atom or an allyl radical containing up to 8 carbon atoms, characterised in that it consists in subjecting a compound of formula (II) wherein alc represents the residue of an alkyl radical containing up to 4 carbon atoms to the action of a compound of formula (III): RCONH2, wherein R retains its previous meaning, to obtain the compound of formula (IV) wherein R retains its previous meaning which is subjected to cyclization to obtain the desired product of formula (I).

    摘要翻译: 本发明涉及一种制备式(I)化合物的方法,其中R代表氢原子或含有至多8个碳原子的烯丙基,其特征在于它使式(Ⅱ)化合物其中alc代表 对于式(III)化合物的作用,含有至多4个碳原子的烷基:RCONH 2,其中R保留其先前的含义,以获得式(Ⅳ)化合物,其中R保持其先前的含义,其进行环化 得到所需的式(I)产物。

    Pyrethrinoid esters
    5.
    发明授权
    Pyrethrinoid esters 失效
    除虫菊酯

    公开(公告)号:US5504112A

    公开(公告)日:1996-04-02

    申请号:US441331

    申请日:1995-05-15

    CPC分类号: A01N53/00 C07C69/743

    摘要: A compound in all possible stereoisomeric forms and their mixtures of the formula ##STR1## wherein X is selected from the group consisting of hydrogen, --CN, alkyl, alkenyl and alkynyl of up to 4 carbon atoms and aralkynyl of up to 10 carbon atoms, Y is selected from the group consisting of halogen, --CF.sub.3, --CH.sub.2 F and --CHF.sub.2 and R.sub.1 is hydrogen and R.sub.2 is halogen or R.sub.1 and R.sub.2 are --CF.sub.3 or R.sub.1 and R.sub.2 are individually halogen.

    摘要翻译: 所有可能的立体异构形式的化合物及其具有式I的混合物,其中X选自氢,-CN,至多4个碳原子的烷基,烯基和炔基和至多10个碳原子的芳炔基 Y选自卤素,-CF 3,-CH 2 F和-CHF 2,并且R 1是氢,R 2是卤素,或者R 1和R 2是-CF 3或者R 1和R 2分别是卤素。