公开(公告)号：CZ20024177A3

公开(公告)日：2003-05-14

申请号：CZ20024177

申请日：2001-06-29

Applicant: BASF AG

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

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

Abstract: The invention relates to a method for producing 4-bromine-aniline derivatives of formula (I), wherein the substituents have the following meanings: R : C1-C6-alkyl, C1-C6-halogenalkyl, C1-C6-alkoxy, C1-C6-halogen-alkoxy, C3-C8-cycloalkyl, halogen; R : C1-C6-alkyl, C1-C6-alkoxy, C3-C8-cycloalkyl, C2-C6-alkenyl, cyano or a heterocyclic radical.

公开(公告)号：CZ2003130A3

公开(公告)日：2003-09-17

申请号：CZ2003130

申请日：2001-07-17

Applicant: BASF AG

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

IPC: C07B61/00 ,  C07C319/14 ,  C07C323/62 ,  C07D261/04 ,  C07D413/04 ,  C07C321/28 ,  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.

公开(公告)号：CZ20030130A3

公开(公告)日：2003-09-17

申请号：CZ20030130

申请日：2001-07-17

Applicant: BASF AG

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

IPC: C07B61/00 ,  C07C319/14 ,  C07C323/62 ,  C07D261/04 ,  C07D413/04 ,  C07C321/28 ,  C07D413/10

CPC classification number: C07D413/04 ,  C07C319/14 ,  C07D261/04 ,  C07C323/62