PROCESO PARA PREPARAR SULFIMINAS Y SU CONVERSION IN SITU EN N-(2-AMINO-BENZOIL)-SULFIMINAS.

    公开(公告)号:MX2015013805A

    公开(公告)日:2016-06-02

    申请号:MX2015013805

    申请日:2014-03-27

    Applicant: BASF SE

    Abstract: La presente invención se refiere a un proceso para preparar un compuesto de las Fórmulas (la) o (Ib), o una mezcla de estos, (ver fórmula) en donde R1 y R2 son, independientemente entre sí, hidrógeno, C1-C10-alquilo, C1-C10-haloalquilo, C3-C10-cicloalquilo, C3-C10-halocicloalquilo, o representan juntos una cadena alifática, o similar; A- es HSO4- o 1/2 SO42-; el proceso comprende la reacción de un sulfuro de la fórmula SR1R2 con ácido hidroxilamina-O-sulfónico de la fórmula; en donde la reacción se realiza en un medio acuoso en presencia de una base. La presente invención también se refiere a un proceso para preparar un compuesto de la fórmula (IV), (ver fórmula) en donde R3 es halógeno, ciano, C1-C8-alquilo, C1-C8-haloalquilo, C3-C8-cicloalquilo, C3-C8-halocicloalquilo, C2-C8-alquenilo, C2-C8-haloalquenilo, C1C8-alcoxi, fenilo o similar; R4 es hidrógeno, C1-C10-alquilo, C1-C10-haloalquilo, C3-C8-cicloalquilo, C3-C8-halocicloalquilo, C2-C10-alquenilo, C2-C10-haloalquenilo, fenilo o similar; p es 0, 1, 2, 3 o 4; y el proceso comprende: (iii) proporcionar el compuesto de las Fórmulas (la) o (Ib), o una mezcla de éstos, (iv) hacer reaccionar un compuesto de las fórmulas (la) o (Ib), o una mezcla de estos, obtenido en la etapa (i) con un compuesto de la fórmula (V) en presencia de una base, (ver formula).

    Process for preparing N-substituted 1H-pyrazole-5-carboxylic acid compounds and derivatives thereof

    公开(公告)号:AU2014267213A1

    公开(公告)日:2015-12-10

    申请号:AU2014267213

    申请日:2014-05-16

    Applicant: BASF SE

    Abstract: The present invention relates to a process for preparing N-substituted 1 H-pyrazole-5-carboxylic acid compounds of the formula l-A and derivatives thereof, in particular the corresponding carbonylchloride compounds (acid chlorides). It also relates to the use of these acid chlorides for preparing anthranilamide derivatives that are useful pesticides. in which the variables are as defined in the claims and the specification comprising the steps of i) reacting a compound of the formula (II) with a base selected from combinations of a magnesium-organic compound having a carbon bound magnesium and a secondary amine and magnesium amides of secondary amines in the presence of a lithium halide, where the base is used in an amount sufficient to achieve at least 80 % deprotonation of the compound of formula (II); and subjecting the product obtained in step (i) to a carboxylation by reacting it with carbon dioxide or a carbon dioxide equivalent, to obtain a magnesium salt of the compound of formula (l-A) and optionally aqueous workup to obtain the compound of the formula (l-A) as a free acid.

    19.
    发明专利
    未知

    公开(公告)号:BRPI0812054A2

    公开(公告)日:2014-11-18

    申请号:BRPI0812054

    申请日:2008-05-30

    Applicant: BASF SE

    Abstract: The present invention relates to a process for preparing N-substituted (3-dihalomethylpyrazol-4-yl)carboxamides of the formula (I) in which R1 is optionally substituted phenyl or C3-C7-cycloalkyl, R1a is hydrogen or fluorine, or R1a together with R1 is optionally substituted C3-C5-alkanediyl or C5-C7-cycloalkanediyl, R2 is C1-C6-alkyl, C2-C6-alkenyl, C2-C6-alkynyl or C1-C4-alkoxy-C1-C2-alkyl, X is F or Cl and n is 0, 1, 2 or 3; which comprises A) providing a compound of the formula (II) in which X is F or Cl, Y is Cl or Br and R2 has one of the meanings given above and B) reacting a compound of the formula (II) with carbon monoxide and a compound of the formula (III) in which R1, R1a and n have one of the meanings given above; in the presence of a palladium catalyst; to intermediates used for the preparation according to the process according to the invention, and also to processes for their preparation.

    PROCESS FOR PREPARING DIFLUOROMETHYLPYRAZOLYL CARBOXYLATES

    公开(公告)号:CA2666746C

    公开(公告)日:2014-10-14

    申请号:CA2666746

    申请日:2007-11-02

    Applicant: BASF SE

    Abstract: The present invention relates to a process for preparing difluoromethyl-substituted pyrazol-4-yl carboxylates of the formula (I) in which R1 is C1-C8-alkyl, C3-C8-cycloalkyl, C1-C4-alkoxy-C1-C4-alkyl, etc.; and R2 is hydrogen, C1-C4-alkyl, benzyl or phenyl, wherein a) a compound of the general formula (II) in which X is fluorine, chlorine, or bromine, R1 has one of the definitions given above, and R4 is C1-C8-alkyl, C3-C8-cycloalkyl, C2-C8-alkenyl, benzyl or phenyl, is reacted with a silane compound of the general formula R3 nSiCl(4-n) in which n is 1, 2 or 3 and the substituents R3 are each independently selected from C1-C8-alkyl and phenyl, and with a metal which is selected from the metals of groups 1, 2, 3, 4 and 12 of the periodic table and has a redox potential of less than -0.7 V, based on a standard hydrogen electrode (at 25°C and 101.325 kPa); and b) the reaction mixture from step a) is reacted with a compound of the general formula (III) in which R2 has one of the definitions given above.

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