Process for the sulfinylation of heterocyclic compounds
    1.
    发明授权
    Process for the sulfinylation of heterocyclic compounds 失效
    杂环化合物亚硫酰化方法

    公开(公告)号:US5618945A

    公开(公告)日:1997-04-08

    申请号:US392243

    申请日:1995-02-22

    摘要: The invention relates to a novel process for the sulfinylation of heterocyclic compounds, which comprises reacting:a compound of the formula RS(O)X, in which R is a linear or branched alkyl group having from 1 to 4 carbon atoms, which is substituted with one or more identical or different halogen atoms and X is a halogen atom, the hydroxyl group or one of the salts thereof, a group --NR.sub.2 R.sub.3, R.sub.2 and R.sub.3 being alkyl or haloalkyl groups of 1 to 4 carbon atoms, or an aryloxy or aralkoxy group, in which the aryl part preferably corresponds to a phenyl group, which is optionally substituted with one or more halogen atoms or alkyl or haloalkyl groups of 1 to 4 carbon atoms,with a heterocyclic compound Het chosen from the group consisting of pyrroles, pyrazoles, imidazoles, oxazoles, isoxazoles, thiazoles, isothiazoles and triazoles, all of these heterocycles Het optionally being substituted with one or more atoms or groups chosen from halogen, amine, alkylamine, dialkylamine, nitrile, aryl, and aryl substituted with one or more halogen atoms and/or one or more alkyl, haloalkyl or SF.sub.5 groups.

    摘要翻译: 本发明涉及一种用于杂环化合物亚硫酰化的新方法,其包括使式RS(O)X的化合物,其中R是具有1至4个碳原子的直链或支链烷基,其被取代 具有一个或多个相同或不同的卤素原子,X是卤素原子,羟基或其盐之一,-NR2R3,R2和R3是1-4个碳原子的烷基或卤代烷基,或芳氧基或 芳烷基优选对应于苯基,其任选被一个或多个卤素原子或具有1至4个碳原子的烷基或卤代烷基取代,杂环化合物Het选自吡咯, 吡唑,咪唑,恶唑,异恶唑,噻唑,异噻唑和三唑,所有这些杂环Het任选被一个或多个选自卤素,胺,烷基胺,二烷基胺,腈,芳基, 被一个或多个卤素原子和/或一个或多个烷基,卤代烷基或SF 5基团取代的芳基。

    Process for the preparation of 2,2-difluoro-1,3-benzodioxole
    2.
    发明授权
    Process for the preparation of 2,2-difluoro-1,3-benzodioxole 失效
    制备2,2-二氟-1,3-苯并间二氧杂环戊烯的方法

    公开(公告)号:US5432290A

    公开(公告)日:1995-07-11

    申请号:US51281

    申请日:1992-01-21

    CPC分类号: C07D317/46

    摘要: A process for the preparation of 2,2-difluoro-1,3-benzodioxole from 2,2-dichlorol,3-benzodioxole. 2,2-Difluoro-1,3-benzodioxole is prepared by reaction of 2,2-dichloro-1,3-benzodioxole with potassium fluoride in the presence of an effective quantity of a catalyst selected from potassium hydrogen fluoride, sodium hydrogen fluoride, cesium hydrogen fluoride, rubidium hydrogen fluoride, and quaternary ammonium hydrogen fluoride. 2,2-Difluoro-1,3-benzoxodiole is an intermediate compound which is used particularly for the preparation of products for agricultural chemistry and for the synthesis of pharmaceutical products.

    摘要翻译: 从2,2-二氯,3-苯并间二氧杂环戊烯制备2,2-二氟-1,3-苯并间二氧杂环戊烯的方法。 2,2-二氟-1,3-苯并间二氧杂环戊烯是通过在有效量的催化剂存在下,通过使2,2-二氯-1,3-苯并间二氧杂环戊烯与氟化钾反应来制备的,所述催化剂选自氟化氢钾,氟化氢钠, 氟化铯,氟化氢铷和氟化氢季铵。 2,2-二氟-1,3-苯并氧二环是一种中间体化合物,特别用于制备农业化学产品和合成药物。

    Method for preparing derivatives of fungicidal iodochromones
    3.
    发明申请
    Method for preparing derivatives of fungicidal iodochromones 审中-公开
    杀真菌性碘色素衍生物的制备方法

    公开(公告)号:US20060111434A1

    公开(公告)日:2006-05-25

    申请号:US10544294

    申请日:2004-01-28

    IPC分类号: A61K31/353

    CPC分类号: C07D311/54 Y02P20/582

    摘要: This invention relates to new methods for preparing chemical compounds, in particular fungicidal compounds, especially iodinated derivatives of chromones, preferably compounds of formula (I), and intermediate compounds useful for these methods.

    摘要翻译: 本发明涉及制备化合物,特别是杀真菌化合物,特别是色酮的碘化衍生物,优选式(I)化合物的新方法和用于这些方法的中间体化合物。

    .beta.-aminovinyl ketones, a preparation process and their use in the
preparation of .beta.-diketones
    4.
    发明授权
    .beta.-aminovinyl ketones, a preparation process and their use in the preparation of .beta.-diketones 失效
    β-氨基乙烯基酮,其制备方法及其在制备β-二酮中的应用

    公开(公告)号:US5684206A

    公开(公告)日:1997-11-04

    申请号:US569266

    申请日:1996-03-20

    摘要: Novel .beta.-aminovinyl ketones of the general formula ##STR1## wherein R.sup.1 is, in particular, an alkenyl, alkynyl, cycloalkyl or cycloalkenyl group; R.sup.2 is, in particular, an electron-attracting substituent such as nitro, acyl, ester, alkylthio, carbamoyl, thiocarbamoyl or haloalkyl; R.sup.3 is, in particular, an alkyl or alkoxy group or a halogen atom; n is 1 or 2 and m is 0, 1, 2 or 3. A method for preparing such compounds by carrying out a condensation reaction between ketone R.sup.1 --CO--CH.sub.3 and, in particular, benzonitrile substituted by (R.sup.2).sub.n and optionally (R.sup.3).sub.m, in the presence of a strong base, as well as a process employing said .beta.-aminovinyl ketones of general formula (VI) for preparing the corresponding .beta.-diketones, are also disclosed.

    摘要翻译: PCT No.PCT / FR94 / 00726 Sec。 371日期:1996年3月20日 102(e)1996年3月20日PCT 1994年6月16日PCT公布。 公开号WO95 / 00476 日期1995年1月5日通式(VI)的新型β-氨基乙烯基酮其中R 1特别是烯基,炔基,环烷基或环烯基; R2特别是吸电子取代基如硝基,酰基,酯,烷硫基,氨基甲酰基,硫代氨基甲酰基或卤代烷基; R3特别是烷基或烷氧基或卤素原子; n为1或2,m为0,1,2或3.通过进行酮R1-CO-CH3之间的缩合反应,特别是被(R 2)n取代的苄腈和任选( R3)m,在存在强碱的情况下,以及采用通式(VI)的β-氨基乙烯基酮制备相应的β-二酮的方法也被公开。

    Chemical processes
    5.
    发明授权
    Chemical processes 失效
    化学工艺

    公开(公告)号:US06635780B1

    公开(公告)日:2003-10-21

    申请号:US09807274

    申请日:2001-06-14

    IPC分类号: C07C25314

    摘要: The invention relates to a process for the preparation of a compound of formula (I) wherein: R1 represents C1-4 haloalkyl, fluorine, chlorine or bromine; and R2 represents hydrogen or C1-4 alkoxy; which process comprises the reaction of the corresponding ortho-nitrohalobenzene of formula (II): wherein R1 and R2 are as hereinbefore defined and X represents a fluorine or bromine atom, with, when X represents a fluorine atom: (a) an alkali metal cyanide, in a non aqueous solvent, optionally in the presence of a catalyst; or when X represents a bromine atom: (b) cuprous cyanide, in a non aqueous solvent, optionally in the presence of a catalyst selected from an alkali metal bromide or an alkaline earth metal bromide; or (c) an alkali metal cyanide, in a non aqueous solvent, in the presence of a catalytic amount of cuprous cyanide and a phase transfer catalyst.

    摘要翻译: 本发明涉及制备式(I)化合物的方法,其中:R 1表示C 1-4卤代烷基,氟,氯或溴; 并且R 2表示氢或C 1-4烷氧基; 该方法包括相应的式(II)的邻 - 硝基卤苯的反应:其中R 1和R 2如上所定义,X表示氟或溴原子,当X表示氟原子时:( a)碱金属氰化物,在非水溶剂中,任选地在催化剂存在下; 或者当X表示溴原子时:(b)氰化亚铜,在非水溶剂中,任选地在选自碱金属溴化物或碱土金属溴化物的催化剂存在下进行; 或(c)碱金属氰化物,在非水溶剂中,在催化量的氰化亚铜和相转移催化剂的存在下。