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公开(公告)号：DE59200035D1
公开(公告)日：1994-02-03
申请号：DE59200035
申请日：1992-02-27
Applicant: BASF AG
Inventor： BAUR KARL GERHARD DR , DOCKNER TONI DR , KANNE ULRICH DR , PAPKALLA THOMAS DR
Abstract: A process for breaking down aromatic nitro compounds in waste waters from plants for the production of nitrobenzene by treatment with nitric acid is carried out at from 180 DEG to 350 DEG C. and under a pressure of from 40 to 250 bar.
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公开(公告)号：DE58905752D1
公开(公告)日：1993-11-04
申请号：DE58905752
申请日：1989-07-29
Applicant: BASF AG
Inventor： MERGER FRANZ DR , FRANK JUERGEN DR , HOELDERICH WOLFGANG DR , DOCKNER TONI DR , SAUERWALD MANFRED DR
IPC: B01J29/04 , C07B61/00 , C07C31/20 , C07C43/13 , C07C47/198 , C07D319/04 , C07D319/06 , C07D319/08 , C07D319/12 , C07D321/08 , C07D321/10 , C07D321/12 , C07D335/02 , C07D495/10 , C07D521/00
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公开(公告)号：DE58904053D1
公开(公告)日：1993-05-19
申请号：DE58904053
申请日：1989-07-22
Applicant: BASF AG
Inventor： SCHOMMER CHARLES DR , EBEL KLAUS DR , DOCKNER TONI DR , IRGANG MATTHIAS DR , HOELDERICH WOLFGANG DR , RUST HARALD
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公开(公告)号：DE3782811D1
公开(公告)日：1993-01-07
申请号：DE3782811
申请日：1987-12-09
Applicant: BASF AG
Inventor： DOCKNER TONI DR , SAUERWALD MANFRED , FISCHER ROLF DR , HUTMACHER HANS-MARTIN DR , PRIESTER CLAUS-ULRICH DR , VAGT UWE DR
IPC: C07D201/08 , C07D201/16
Abstract: Caprolactam (I) is prepd. by heating 6-aminocaproic acid, its esters, amides or mixts. of these (II) in the presence of an inert hydrocarbon reaction medium (III) having b.pt. higher than that of (I), the process comprising heating the (III) at 150-350 deg.C, adding the (II) at a rate at which it is decomposed, and removing (I) from the reaction medium as it is formed.
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公开(公告)号：DE3873161D1
公开(公告)日：1992-09-03
申请号：DE3873161
申请日：1988-05-07
Applicant: BASF AG
Inventor： DOCKNER TONI DR , KRUG HERBERT , ROTERMUND GERHARD W DR , WEYRAUCH VOLKER DR
IPC: C07B61/00 , C07D231/12 , C07D231/16 , C07D231/18 , C07D231/20 , C07D521/00
Abstract: Prodn. of pyrazoles (I) comprises dehydrogenation of pyrazolines (II) with nitro-aromatic cpds. (III) in presence of S catalyst at over 50 deg.C. Specifically (III) is an opt. substd. nitrobenzene, nitronapthalene or nitroanthraquinone, used at 0.5-3 (esp. 1-2) equiv. per mole (II), and S is 0.1-10 mole% an (II).
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Patent Agency Ranking
公开(公告)号：DE3872968D1
公开(公告)日：1992-08-27
申请号：DE3872968
申请日：1988-07-12
Applicant: BASF AG
Inventor： LERMER HELMUT DR , HOELDERICH WOLFGANG DR , DOCKNER TONI DR , KOEHLER HERMANN DR
IPC: B01J29/08 , B01J29/40 , B01J29/80 , B01J29/86 , B01J29/88 , C07B61/00 , C07D231/12 , C07D231/18 , C07D231/20 , C07D231/22 , C07D233/22 , C07D233/54 , C07D233/64 , C07D233/70
Abstract: Acylated imidazoles and pyrazoles of formula (I) and (II) (with R = C0R5) are produced by reaction of the corrresp. corresp. cpds. in which R = R2 (III and IV, respectively with acylating agents of formula R5-C0-Y (V), in the presence of zeolite catalysts. R1, R3 = H, 1-12C alkyl, alkenyl or alkoxy, aryl, aralkyl or alkylaryl; R4 = H, 1-12C alkyl or alkenyl, aryl, aralkyl or alkylaryl R5 = 1-12C alkyl or alkenyl, aryl, aralkyl or carboxy; R2 = R1/R3 (at least one of R1, R2 or R3 = H); Y = Hal, alkoxy, acyloxy, 0H, amide or carboxy residue. Pref. zeolite is pentasil (borosilicate, ferrosilicate, aluminosilicate) or faujasite type, pref. doped with alkali, alkaline earth, rare earth or transition metal, or phosporus, esp. pref. with Cs, or with Ce and/or La.
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公开(公告)号：AT78469T
公开(公告)日：1992-08-15
申请号：AT88111080
申请日：1988-07-12
Applicant: BASF AG
Inventor： LERMER HELMUT DR , HOELDERICH WOLFGANG DR , DOCKNER TONI DR , KOEHLER HERMANN DR
IPC: B01J29/08 , B01J29/40 , B01J29/80 , B01J29/86 , B01J29/88 , C07B61/00 , C07D231/12 , C07D231/18 , C07D231/20 , C07D231/22 , C07D233/22 , C07D233/54 , C07D233/64 , C07D233/70
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公开(公告)号：DE3867183D1
公开(公告)日：1992-02-06
申请号：DE3867183
申请日：1988-09-03
Applicant: BASF AG
Inventor： KOEHLER HERMANN DR , DOCKNER TONI DR , KARN HELMUT
IPC: C07D233/90
Abstract: In the prodn. of 1-alkyl-imidazole-5-carboxylic acid derivs. of formula (I), a corresp. 1-unsubstd. cpd. of formula (II) is reacted with a dialkyl sulphate of formula (R1O)2SO2 (III) at elevated temp. in the presence of a carboxylic acid and/or carboxylic acid anhydride. In formulae, R1 is alkyl, R2,R3 are H, alkyl, (ar)alkyl or alkylaryl, R4 is COOH, COOR5, CONH2 or CN; and R5 is 1-8C alkyl. The reaction is pref. carried out in the presence of a 1-8C carboxylic acid of 4-16C carboxylic acid anhydride, pref. used in an amt. of 40-2000 ml. per mol. (II).
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公开(公告)号：DE3920280A1
公开(公告)日：1991-01-03
申请号：DE3920280
申请日：1989-06-21
Applicant: BASF AG
Inventor： DOCKNER TONI DR , IRGANG MATTHIAS DR , RUST HARALD , EBEL KLAUS DR , SCHOMMER CHARLES DR
IPC: B01J23/04 , C07C45/48 , C07D213/50
Abstract: In a new process for the prodn of ketone of formula R1-C0-R2 (I) by reaction of a carboxylic acid of formula R1-C00H (IIa) with a carboxylic acid of formula (IIb) or with a ketone of formula (Ib) or of a mixture of (IIa), R2-C00H (IIb) and R2C0-R2 (Ia) in the gas phase in the presence of a catalyst, a catalyst is used in which at least 50% of the active mass consists of titanium dioxide and which has a specific surface of greater than 10 sq metres/gramme. In (I)-(IIb) R1, R2 = alkyl, cycloalkyl, arylalkyl, aryl or heteroaryl, at least one of R1 and R2 carrying at least one H-atom in the alpha-position.
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公开(公告)号：DE3826303A1
公开(公告)日：1990-02-08
申请号：DE3826303
申请日：1988-08-03
Applicant: BASF AG
Inventor： MERGER FRANZ DR , FRANK JUERGEN DR , HOELDERICH WOLFGANG DR , DOCKNER TONI DR , SAUERWALD MANFRED DR
IPC: B01J29/04 , C07B61/00 , C07C31/20 , C07C43/13 , C07C47/198 , C07D319/04 , C07D319/06 , C07D319/08 , C07D319/12 , C07D321/08 , C07D321/10 , C07D321/12 , C07D335/02 , C07D495/10 , C07D521/00
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