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    processos para a preparação de amidas e de ésteres piridilcarboxílicos e para a preparação de amidas e de ésteres (ariloxi) piridilcarboxílicos
    1.
    发明专利
    processos para a preparação de amidas e de ésteres piridilcarboxílicos e para a preparação de amidas e de ésteres (ariloxi) piridilcarboxílicos 未知

    公开(公告)号：BRPI0618301B1

    公开(公告)日：2015-10-27

    申请号：BRPI0618301

    申请日：2006-10-26

    Applicant: BASF SE

    Inventor： WEVERS JAN HENDRIK ,  KNELL MARCUS ,  BRINK MONIKA

    IPC: C07D213/79 ,  C07D213/803 ,  C07D213/81

    Abstract: processos para a preparação de amidas e de ésteres piridilcarboxílicos e para a preparação de amidas e de ésteres (arilóxi) piridilcarboxílicos. a invenção refere-se a um processo para a preparação de amidas e de ésteres piridilcarboxílicos i, fórmula (i) em que hal, x e r^ 1^ têm os significados fornecidos na reivindicação 1, que compreende as seguintes etapas: (a) o aquecimento de uma mistura que consiste essencialmente de uma triclorometilpiridina ii, fórmula (ii) em que hal tem o significado dado e 1,0 a 1,5 equivalentes de ácido sulfúrico concentrado, caracterizado pelo fato de que a triclorometilpiridina ii em uma forma líquida é adicionada ao ácido sulfúrico concentrado a uma temperatura de 110 c até 160 c e (b) a reação do produto intermediário obtido na etapa (a) com uma amina ou um álcool iii, hxr^ 1^, em que x e r^ 1^ têm o significado dado, opcionalmente na presença de um solvente e/ou de uma base.

    2.
    发明专利
    未知

    公开(公告)号：BRPI0618301A2

    公开(公告)日：2012-05-08

    申请号：BRPI0618301

    申请日：2006-10-26

    Applicant: BASF SE

    Inventor： BRINK MONIKA ,  KNELL MARCUS ,  WEVERS JAN HENDRIK

    IPC: C07D213/81 ,  C07D213/79

    Abstract: The invention relates to a process for the preparation of pyridylcarboxylic amides and esters I, Formula (I) wherein Hal, X and R1 have the meanings given in claim 1, which comprises the following steps: (a) heating a mixture consisting essentially of trichloromethylpyridine II, Formula (II), wherein Hal has the meaning given, and 1.0 to 1.5 equivalents of concentrated sulfuric acid, characterized in that the trichloromethylpyridine II in a liquid form is added to the concentrated sulfuric acid at a temperature from 110° C. to 160° C.; and (b) reacting the intermediate product obtained in step (a) with an amine or alcohol III, HXR1, wherein X and R1 have the meaning given, optionally in the presence of a solvent and/or a base.

    3.
    发明专利
    未知

    公开(公告)号：DE602006012870D1

    公开(公告)日：2010-04-22

    申请号：DE602006012870

    申请日：2006-10-26

    Applicant: BASF SE

    Inventor： BRINK MONIKA ,  KNELL MARCUS ,  WEVERS JAN HENDRIK

    IPC: C07D213/81 ,  C07D213/79

    Abstract: The invention relates to a process for the preparation of pyridylcarboxylic amides and esters I, Formula (I) wherein Hal, X and R1 have the meanings given in claim 1, which comprises the following steps: (a) heating a mixture consisting essentially of trichloromethylpyridine II, Formula (II), wherein Hal has the meaning given, and 1.0 to 1.5 equivalents of concentrated sulfuric acid, characterized in that the trichloromethylpyridine II in a liquid form is added to the concentrated sulfuric acid at a temperature from 110° C. to 160° C.; and (b) reacting the intermediate product obtained in step (a) with an amine or alcohol III, HXR1, wherein X and R1 have the meaning given, optionally in the presence of a solvent and/or a base.

    PROCESS FOR THE PREPARATION OF PYRIDYLCARBOXYLIC AMIDES AND ESTERS
    4.
    发明专利
    PROCESS FOR THE PREPARATION OF PYRIDYLCARBOXYLIC AMIDES AND ESTERS 未知

    公开(公告)号：CA2626465C

    公开(公告)日：2016-07-12

    申请号：CA2626465

    申请日：2006-10-26

    Applicant: BASF SE

    Inventor： BRINK MONIKA ,  KNELL MARCUS ,  WEVERS JAN HENDRIK

    IPC: C07D213/81 ,  C07D213/79

    Abstract: The invention relates to a process for the preparation of pyridylcarboxylic amides and esters I, Formula (I) wherein Hal, X and R1 have the meanings given in claim 1, which comprises the following steps: (a) heating a mixture consisting essentially of trichloromethylpyridine II, Formula (II), wherein Hal has the meaning given, and 1.0 to 1.5 equivalents of concentrated sulfuric acid, characterized in that the trichloromethylpyridine II in a liquid form is added to the concentrated sulfuric acid at a temperature from 110~C to 160~C; and (b) reacting the intermediate product obtained in step (a) with an amine or alcohol III, HXR1, wherein X and R1 have the meaning given, optionally in the presence of a solvent and/or a base.

    PROCESO PARA LA PREPARACION DE AMIDAS PIRIDILCARBOXILICAS Y ESTERES.
    7.
    发明专利
    PROCESO PARA LA PREPARACION DE AMIDAS PIRIDILCARBOXILICAS Y ESTERES. 未知

    公开(公告)号：ES2341130T3

    公开(公告)日：2010-06-15

    申请号：ES06807578

    申请日：2006-10-26

    Applicant: BASF SE

    Inventor： BRINK MONIKA ,  KNELL MARCUS ,  WEVERS JAN HENDRIK

    IPC: C07D213/81 ,  C07D213/79

    Abstract: Un proceso para la preparación de amidas y ésteres piridilcarboxílicos I **(Ver fórmula)** en donde Hal representa un átomo de halógeno; X representa O o NR2; R1 representa un grupo alquilo C1-C6 o arilo, en donde ambos grupos pueden estar sustituidos por uno o más átomos de halógeno, grupos nitro, ciano, alquilo C1-C6, haloalquilo C1-C6 o alcoxi C1-C6; R2 representa un átomo de hidrógeno o un grupo alquilo C1-C6; que comprende las siguientes etapas: (a) calentamiento de una mezcla que consiste esencialmente de una triclorometilpiridina II, **(Ver fórmula)** en donde Hal tiene el significado dado, y 1,0 a 1,5 equivalentes de ácido sulfúrico concentrado, caracterizado porque se añade la triclorometilpiridina II en forma líquida al ácido sulfúrico concentrado a una temperatura de 110 a 160ºC; y (b) reacción del producto intermedio obtenido en la etapa (a) con una amina o alcohol III, III,HXR1 en donde X y R1 tienen el significado dado, opcionalmente en presencia de un solvente y/o una base.

    10.
    发明专利
    未知

    公开(公告)号：AT460400T

    公开(公告)日：2010-03-15

    申请号：AT06807578

    申请日：2006-10-26

    Applicant: BASF SE

    Inventor： BRINK MONIKA ,  KNELL MARCUS ,  WEVERS JAN HENDRIK

    IPC: C07D213/81 ,  C07D213/79

    Abstract: The invention relates to a process for the preparation of pyridylcarboxylic amides and esters I, Formula (I) wherein Hal, X and R1 have the meanings given in claim 1, which comprises the following steps: (a) heating a mixture consisting essentially of trichloromethylpyridine II, Formula (II), wherein Hal has the meaning given, and 1.0 to 1.5 equivalents of concentrated sulfuric acid, characterized in that the trichloromethylpyridine II in a liquid form is added to the concentrated sulfuric acid at a temperature from 110° C. to 160° C.; and (b) reacting the intermediate product obtained in step (a) with an amine or alcohol III, HXR1, wherein X and R1 have the meaning given, optionally in the presence of a solvent and/or a base.

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