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    11.
    发明专利
    未知

    公开(公告)号：DE60120979T2

    公开(公告)日：2006-11-16

    申请号：DE60120979

    申请日：2001-07-17

    Applicant: BASF AG

    Inventor： LOCHTMAN RENE ,  KEIL MICHAEL ,  GEBHARDT JOACHIM ,  RACK MICHAEL ,  VON DEYN WOLFGANG

    IPC: C07C251/40 ,  C07B61/00 ,  C07C319/14 ,  C07C323/62 ,  C07D261/04 ,  C07D413/04 ,  C07D413/10

    Abstract: A process for preparing 4-thioalkylbromobenzene derivatives of the formula I where: R 1 is C 1 -C 6 -alkyl, C 1 -C 6 -haloalkyl, C 1 -C 6 -alkoxy, C 1 -C 6 -haloalkoxy, C 3 -C 8 -cycloalkyl, halogen, R 2 is C 1 -C 6 -alkyl, C 1 -C 6 -alkoxy, C 3 -C 8 -cycloalkyl, C 2 -C 6 -alkenyl, cyano or a heterocyclic radical, R 3 is C 1 -C 6 -alkyl, which comprises reacting a compound of the formula II, in which R 1 and R 2 are as defined above, with a dialkyl disulfide of the formula III R 3 -S-S-R 3 III in the presence of a nitrite and a catalyst in a suitable solvent is described.

    12.
    发明专利
    未知

    公开(公告)号：DE60120979D1

    公开(公告)日：2006-08-03

    申请号：DE60120979

    申请日：2001-07-17

    Applicant: BASF AG

    Inventor： LOCHTMAN RENE ,  KEIL MICHAEL ,  GEBHARDT JOACHIM ,  RACK MICHAEL ,  VON DEYN WOLFGANG

    IPC: C07C251/40 ,  C07B61/00 ,  C07C319/14 ,  C07C323/62 ,  C07D261/04 ,  C07D413/04 ,  C07D413/10

    Abstract: A process for preparing 4-thioalkylbromobenzene derivatives of the formula I where: R 1 is C 1 -C 6 -alkyl, C 1 -C 6 -haloalkyl, C 1 -C 6 -alkoxy, C 1 -C 6 -haloalkoxy, C 3 -C 8 -cycloalkyl, halogen, R 2 is C 1 -C 6 -alkyl, C 1 -C 6 -alkoxy, C 3 -C 8 -cycloalkyl, C 2 -C 6 -alkenyl, cyano or a heterocyclic radical, R 3 is C 1 -C 6 -alkyl, which comprises reacting a compound of the formula II, in which R 1 and R 2 are as defined above, with a dialkyl disulfide of the formula III R 3 -S-S-R 3 III in the presence of a nitrite and a catalyst in a suitable solvent is described.

    13.
    发明专利
    未知

    公开(公告)号：AT330936T

    公开(公告)日：2006-07-15

    申请号：AT01967194

    申请日：2001-07-17

    Applicant: BASF AG

    Inventor： LOCHTMAN RENE ,  KEIL MICHAEL ,  GEBHARDT JOACHIM ,  RACK MICHAEL ,  VON DEYN WOLFGANG

    IPC: C07B61/00 ,  C07C319/14 ,  C07C323/62 ,  C07D261/04 ,  C07D413/04 ,  C07C251/40 ,  C07D413/10

    Abstract: A process for preparing 4-thioalkylbromobenzene derivatives of the formula I where: R 1 is C 1 -C 6 -alkyl, C 1 -C 6 -haloalkyl, C 1 -C 6 -alkoxy, C 1 -C 6 -haloalkoxy, C 3 -C 8 -cycloalkyl, halogen, R 2 is C 1 -C 6 -alkyl, C 1 -C 6 -alkoxy, C 3 -C 8 -cycloalkyl, C 2 -C 6 -alkenyl, cyano or a heterocyclic radical, R 3 is C 1 -C 6 -alkyl, which comprises reacting a compound of the formula II, in which R 1 and R 2 are as defined above, with a dialkyl disulfide of the formula III R 3 -S-S-R 3 III in the presence of a nitrite and a catalyst in a suitable solvent is described.

    PROCEDIMIENTO PARA LA OBTENCION DE DERIVADOS DE LA 4-BROMO-ANILINA.
    14.
    发明专利
    PROCEDIMIENTO PARA LA OBTENCION DE DERIVADOS DE LA 4-BROMO-ANILINA. 未知

    公开(公告)号：ES2250425T3

    公开(公告)日：2006-04-16

    申请号：ES01947430

    申请日：2001-06-29

    Applicant: BASF AG

    Inventor： LOCHTMAN RENE ,  KEIL MICHAEL ,  GEBHARDT JOACHIM ,  RACK MICHAEL ,  VON DEYN WOLFGANG

    IPC: C07C209/74 ,  C07C211/52 ,  C07D261/04 ,  C07C251/48 ,  C07D413/10 ,  C07C209/82 ,  C07C211/46

    Abstract: Procedimiento para la obtención de derivados de la 4-bromo-anilina de la fórmula I en la que los substituyentes tienen los siguientes significados: R1 significa alquilo con 1 a 6 átomos de carbono, halógenoalquilo con 1 a 6 átomos de carbono, alcoxi con 1 a 6 átomos de carbono, halógenoalcoxi con 1 a 6 átomos de carbono, cicloalquilo con 3 a 8 átomos de carbono, halógeno, R2 significa alquilo con 1 a 6 átomos de carbono, alcoxi con 1 a 6 átomos de carbono, cicloalquilo con 3 a 8 átomos de carbono, alquenilo con 2 a 6 átomos de carbono, ciano o un resto heterocíclico, en la que R1 y R2 tienen los significados anteriormente indicados, con un agente para la bromación, en piridina a modo de disolvente, o en una mezcla de disolventes con al menos un 55% en peso de piridina.

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