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81.
公开(公告)号:ES2226475T3
公开(公告)日:2005-03-16
申请号:ES99960983
申请日:1999-11-17
Applicant: BASF AG
Inventor: RACK MICHAEL , GOTZ NORBERT , HAGEN HELMUT , VON DEYN WOLFGANG , BAUMANN ERNST , LOCHTMAN RENE
IPC: C07D261/04
Abstract: Procedimiento para la obtención de isoxazoles de la fórmula I en la cual los substituyentes tienen el siguiente significado: n 0, 1 o 2; R1, R2 alquilo con 1 a 6 átomos de carbono; R3, R4, R5 hidrógeno, alquilo con 1 a 6 átomos de carbono, particularmente metilo, o R4 y R5 forman conjuntamente un enlace; R6Cl, Br, comprendiendo la realización posterior las etapas del procedimiento a) - c): a) halogenación de un 1, 2-dialquilbenceno de la fórmula II en la cual los restos R1 pueden ser iguales o diferentes respectivamente y tener el anterior significado, con halógenos, particularmente cloro o bromo, para dar los 3, 6-dihalogen-1m2-dialquilbencenos de la fórmula III b) reacción de un 3, 6-dihalogen-1, 2-dialquilbenceno de la fórmula III con hidroperóxido y un agente de halogenación, preferentemente HBr, para dar los halogenuros de bencilo, particularmente los bromuros de bencilo de la fórmula IV en la cual los restos R1 y R6 tienen el significado anteriormente citado; c) oxidación del bromuro de bencilo de la fórmula IV con un agente de oxidación para dar aldehidos de la fórmula V en la cual los substituyentes R1 y R6 tienen el significado anteriormente citado.
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公开(公告)号:HU0401146A2
公开(公告)日:2004-09-28
申请号:HU0401146
申请日:2002-08-02
Applicant: BASF AG
Inventor: KUDIS STEFFEN , LOCHTMAN RENE , EHRESMANN MANFRED , KEIL MICHAEL , GEBHARDT JOACHIM , RACK MICHAEL , SCHIMETZEK RALF
IPC: C07B61/00 , C07C201/04 , C07C203/00
Abstract: In a continuous process for the preparation of alkyl nitrites and dinitrites, an alkanol or dialkanol is first mixed with an aqueous mineral acid, the reaction mixture obtained is then reacted with an inorganic nitrite and the product obtained can then be isolated immediately.
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公开(公告)号:PL359155A1
公开(公告)日:2004-08-23
申请号:PL35915501
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
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.
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公开(公告)号:ZA200301220B
公开(公告)日:2004-02-25
申请号:ZA200301220
申请日:2003-02-14
Applicant: BASF AG
Inventor: GEBHARDT JOACHIM , KEIL MICHAEL , LOCHTMAN RENE , RACK MICHAEL , DEYN WOLFGANG VON
IPC: C07B61/00 , C07C319/14 , C07C323/62 , C07D261/04 , C07D413/04 , C07C , C07D
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.
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公开(公告)号:HU0301741A2
公开(公告)日:2003-08-28
申请号:HU0301741
申请日:2001-06-29
Applicant: BASF AG
Inventor: VON DEYN WOLFGANG , GEBHARDT JOACHIM , KEIL MICHAEL , LOCHTMAN RENE , RACK MICHAEL
IPC: C07C209/74 , C07C211/52 , C07D261/04
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.
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公开(公告)号:HU0301724A2
公开(公告)日:2003-08-28
申请号:HU0301724
申请日:2001-07-17
Applicant: BASF AG
Inventor: VON DEYN WOLFGANG , GEBHARDT JOACHIM , KEIL MICHAEL , LOCHTMAN RENE , RACK MICHAEL
IPC: C07B61/00 , C07C319/14 , C07C323/62 , C07D261/04 , C07D413/04 , C07C251/40
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.
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公开(公告)号:NO20030212D0
公开(公告)日:2003-01-16
申请号:NO20030212
申请日:2003-01-16
Applicant: BASF AG
Inventor: LOCHTMAN RENE , KEIL MICHAEL , GEBHARDT JOACHIM , RACK MICHAEL , DEYN WOLFGANG VON
IPC: C07B61/00 , C07C319/14 , C07C323/62 , C07D261/04 , C07D413/04 , C07C
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.
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公开(公告)号:NO20030212A
公开(公告)日:2003-01-16
申请号:NO20030212
申请日:2003-01-16
Applicant: BASF AG
Inventor: LOCHTMAN RENE , KEIL MICHAEL , GEBHARDT JOACHIM , RACK MICHAEL , DEYN WOLFGANG VON
IPC: C07B61/00 , C07C319/14 , C07C323/62 , C07D261/04 , C07D413/04
CPC classification number: C07D413/04 , C07C319/14 , C07D261/04 , C07C323/62
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公开(公告)号:CA2413723A1
公开(公告)日:2002-12-20
申请号:CA2413723
申请日:2001-06-29
Applicant: BASF AG
Inventor: LOCHTMAN RENE , VON DEYN WOLFGANG , RACK MICHAEL , KEIL MICHAEL , GEBHARDT JOACHIM
IPC: C07C209/74 , C07C211/52 , C07D261/04 , C07D413/10 , C07C211/46 , C07C251/48 , C07C209/82
Abstract: The invention relates to a method for producing 4-bromine-aniline derivative s of formula (I), wherein the substituents have the following meanings: R1: C1 - C6-alkyl, C1-C6-halogenalkyl, C1-C6-alkoxy, C1-C6-halogen-alkoxy, C3-C8- cycloalkyl, halogen; R2: C1-C6-alkyl, C1-C6-alkoxy, C3-C8-cycloalkyl, C2-C6- alkenyl, cyano or a heterocyclic radical.
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公开(公告)号:NO20005652A
公开(公告)日:2000-11-09
申请号:NO20005652
申请日:2000-11-09
Applicant: BASF AG
Inventor: RHEINHEIMER JOACHIM , MISSLITZ ULF , DEYN WOLFGANG VON , BAUMANN ERNST , GEBHARDT JOACHIM , RACK MICHAEL , LOCHTMAN RENE , GOETZ NORBERT , KEIL MICHAEL , WITSCHEL MATTHIAS , HAGEN HELMUT
IPC: C07C20060101 , C07C201/12 , C07C205/44 , C07C249/06 , C07C251/48 , C07C251/52 , C07C253/00 , C07C255/50 , C07C317/32 , C07C319/14 , C07C323/09 , C07D20060101 , C07D261/02 , C07D261/04 , C07D261/08 , C07D413/02 , C07D413/10 , C07C251/40
CPC classification number: C07C249/06 , C07C201/10 , C07C201/12 , C07C205/44 , C07C209/62 , C07C251/48 , C07C253/00 , C07C255/50 , C07C315/04 , C07C319/14 , C07D261/04 , C07D413/10 , C07C323/09 , C07C317/24 , C07C317/32 , C07C205/06 , C07C211/52
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