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公开(公告)号：JP2003176248A
公开(公告)日：2003-06-24
申请号：JP2002290014
申请日：2002-10-02
Applicant: BASF AG
Inventor： HEYDRICH GUNNAR , AUST NICOLA CHRISTIANE , PUTTER HERMANN , FISCHER ANDREAS , BOTZEM JOERG
IPC: C07B61/00 , C07C41/50 , C07C43/303 , C07C47/198
Abstract: PROBLEM TO BE SOLVED: To provide a method of producing glyoxal diacetal that uses a water- miscible alcohol and permits the continuous operation in high yield. SOLUTION: The reaction of 40-75 wt.% of glyoxal aqueous solution with a monohydric alcohol is carried out in the presence of an acid catalyst to produce a glyoxal diacetal. In this case, a liquid mixture including the alcohol and glyoxal in at least 15:1 molar ratio and water in an amount of ≤8 wt.% at the start of the reaction is brought into contact with an acid catalyst so that the alcohol used may not be distilled off over 5 wt.% until the concentration of the diacetal formed in the reaction mixture attains at least 70% of the equilibrium concentration. COPYRIGHT: (C)2003,JPO
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公开(公告)号：AT332189T
公开(公告)日：2006-07-15
申请号：AT02804879
申请日：2002-12-06
Applicant: BASF AG
Inventor： WESSEL HELGE , SEITZ VERENA , HARTH KLAUS , BOMM VOLKER , AUST NICOLA CHRISTIANE
IPC: B01J23/70 , B01J23/72 , B01J23/745 , B01J35/10 , B01J37/03 , B01J37/18 , C07B61/00 , C07C51/295 , C07C227/02 , C07C229/22 , C07C51/097
Abstract: Catalysts (I), for the production of carboxylic acid salts from alcohols, comprise (wt.%): (1) copper; or (2) copper (10-99.9), iron (0.01-90) and at least one other metal (0-50). Catalysts (I) are optionally doped. The hydroxide is prepared by precipitation of copper salt solutions (and/or copper and iron salt solutions with salts of at least one other metal (A)) by coprecipitation with a base and reduction with hydrogen. An Independent claim is included for a process for the production of carboxylic acid salts by reaction of an alcohol of formula (II) with an alkali hydroxide and/or alkaline earth metal hydroxide in water. The reaction is in the presence of a catalyst (I), at 120-280 deg C, and at a pressure between the vapor pressure of water and 75 bar. R = -(OCH2CH2OH) or -NR R ; and R , R = H, phenyl, -CH2CH2OH, 1-20 C alkyl or 2-5C dialkylamino.
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公开(公告)号：ES2197109T3
公开(公告)日：2004-01-01
申请号：ES00951493
申请日：2000-08-10
Applicant: BASF AG
Inventor： AUST NICOLA CHRISTIANE , BUTZ THOMAS , FISCHER MARTIN
Abstract: The present invention relates to a process for the preparation of phosphonomethylglycine in which N-phosphonomethyliminodiacetic acid N-oxide is brought into contact with a catalytically active quantity of at least one catalyst, selected from amongst a thionyl halide, ammonium dithionite or an alkali metal dithionite, a dialkyl sulfite, sulfur dichloride, sulfur dioxide and sulfurous acid, in a reaction chamber by metering the N-phosphonomethyliminodiacetic acid N-oxide into the reaction chamber in such a way that always at least 50% of the N-oxide metered into the reaction chamber are converted.
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公开(公告)号：AU2002366277A1
公开(公告)日：2003-06-30
申请号：AU2002366277
申请日：2002-12-06
Applicant: BASF AG
Inventor： HARTH KLAUS , BOMM VOLKER , AUST NICOLA CHRISTIANE , WESSEL HELGE , SEITZ VERENA
IPC: B01J23/70 , B01J23/72 , B01J23/745 , B01J35/10 , B01J37/03 , B01J37/18 , C07B61/00 , C07C51/295 , C07C227/02 , C07C229/22 , C07C51/097
Abstract: Catalysts (I), for the production of carboxylic acid salts from alcohols, comprise (wt.%): (1) copper; or (2) copper (10-99.9), iron (0.01-90) and at least one other metal (0-50). Catalysts (I) are optionally doped. The hydroxide is prepared by precipitation of copper salt solutions (and/or copper and iron salt solutions with salts of at least one other metal (A)) by coprecipitation with a base and reduction with hydrogen. An Independent claim is included for a process for the production of carboxylic acid salts by reaction of an alcohol of formula (II) with an alkali hydroxide and/or alkaline earth metal hydroxide in water. The reaction is in the presence of a catalyst (I), at 120-280 deg C, and at a pressure between the vapor pressure of water and 75 bar. R = -(OCH2CH2OH) or -NR R ; and R , R = H, phenyl, -CH2CH2OH, 1-20 C alkyl or 2-5C dialkylamino.
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公开(公告)号：NO20024707D0
公开(公告)日：2002-10-01
申请号：NO20024707
申请日：2002-10-01
Applicant: BASF AG
Inventor： HEYDRICH GUNNAR , AUST NICOLA CHRISTIANE , PUETTER HERMANN , FISCHER ANDREAS , BOTZEN JOERG
IPC: C07B61/00 , C07C41/50 , C07C43/303 , C07C47/198 , C07C
Abstract: The production of diacetals (I) of glyoxal (II) from aqueous glyoxal and monohydric alcohols (III) with an acid catalyst (IV) involves leaving a mixture of (III) and (II) in contact with (IV) until the content of (I) is at least 70% of the equilibrium concentration. production of diacetals (I) of glyoxal (II) from 40-75 wt% aqueous glyoxal and monohydric alcohols (III) with acid catalyst (IV) involves leaving a mixture of (III) and (II) (mol ratio = at least 15:1) and not more than 8 wt% water in contact with (IV) until the content of (I) is at least 70% of the equilibrium concentration (without distilling off more than 5 wt% of the alcohol).
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Patent Agency Ranking
公开(公告)号：CA2381412A1
公开(公告)日：2001-02-22
申请号：CA2381412
申请日：2000-08-10
Applicant: BASF AG
Inventor： FISCHER MARTIN , AUST NICOLA CHRISTIANE , BUTZ THOMAS
Abstract: The invention relates to a method for producing phosphonomethylglycin, by bringing together in a reaction space N-phosmonomethyl iminodiacetic acid-N- oxide and a catalytic quantity of at least one of the following catalysts: thionyl halogenide, diathionite of ammonium or an alkali metal, a dialkyl sulphite, sulphur dichloride, sulphurous acid, sulphur dioxide. The dosage o f the N-phosphonomethyl iminodiacetic acid-N-oxide will be such that at least 50 % of the N-oxide put in the reaction space will be transformed.
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公开(公告)号：DE10209195A1
公开(公告)日：2003-09-18
申请号：DE10209195
申请日：2002-03-04
Applicant: BASF AG
Inventor： FISCHER ANDREAS , AUST NICOLA CHRISTIANE , HEYDRICH GUNNAR , BOTZEM JOERG , PUETTER HERMANN
Abstract: Production of trialkylorthoformates (I) comprises producing diacetal (D) in a first stage, from an aqueous reaction mixture (R) of glyoxal, a monofunctional 1-6C alcohol (A), and an acid catalyst, where (D) is produced at at least 70% of equilibrium yield. In a second stage, isolated (D) is electrochemically oxidized in a liquid electrolyte (E) with (A), to give (I). Production of trialkylorthoformates (I) comprises: (1) preparing a diacetal (D) of glyoxal and a monofunctional 1-6C alcohol (A), where a liquid mixture (M1) containing water, (A), and glyoxal are brought in contact with an acid catalyst for as long a time such that the concentration of (D) in the reaction mixture (R) is at least 70% of the equilibrium concentration, followed by isolation of (D) from the reaction mixture; and (2) electrochemically oxidizing (D) in a liquid electrolyte (E) with (A) to give (I), followed by isolation of (I) from (E).
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公开(公告)号：DK1203000T3
公开(公告)日：2003-06-02
申请号：DK00951493
申请日：2000-08-10
Applicant: BASF AG
Inventor： AUST NICOLA CHRISTIANE , BUTZ THOMAS , FISCHER MARTIN
Abstract: The present invention relates to a process for the preparation of phosphonomethylglycine in which N-phosphonomethyliminodiacetic acid N-oxide is brought into contact with a catalytically active quantity of at least one catalyst, selected from amongst a thionyl halide, ammonium dithionite or an alkali metal dithionite, a dialkyl sulfite, sulfur dichloride, sulfur dioxide and sulfurous acid, in a reaction chamber by metering the N-phosphonomethyliminodiacetic acid N-oxide into the reaction chamber in such a way that always at least 50% of the N-oxide metered into the reaction chamber are converted.
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公开(公告)号：NO20024707L
公开(公告)日：2003-04-07
申请号：NO20024707
申请日：2002-10-01
Applicant: BASF AG
Inventor： HEYDRICH GUNNAR , AUST NICOLA CHRISTIANE , PUETTER HERMANN , FISCHER ANDREAS , BOTZEN JOERG
IPC: C07B61/00 , C07C41/50 , C07C43/303 , C07C47/198 , C07C41/56
Abstract: The production of diacetals (I) of glyoxal (II) from aqueous glyoxal and monohydric alcohols (III) with an acid catalyst (IV) involves leaving a mixture of (III) and (II) in contact with (IV) until the content of (I) is at least 70% of the equilibrium concentration. production of diacetals (I) of glyoxal (II) from 40-75 wt% aqueous glyoxal and monohydric alcohols (III) with acid catalyst (IV) involves leaving a mixture of (III) and (II) (mol ratio = at least 15:1) and not more than 8 wt% water in contact with (IV) until the content of (I) is at least 70% of the equilibrium concentration (without distilling off more than 5 wt% of the alcohol).
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公开(公告)号：NO20024707A
公开(公告)日：2003-04-07
申请号：NO20024707
申请日：2002-10-01
Applicant: BASF AG
Inventor： HEYDRICH GUNNAR , AUST NICOLA CHRISTIANE , PUETTER HERMANN , FISCHER ANDREAS , BOTZEN JOERG
IPC: C07B61/00 , C07C41/50 , C07C43/303 , C07C47/198 , C07C41/56
CPC classification number: C07C41/56 , C07C43/303 , C07C47/198
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