专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US4450297A Preparation of o-nitrobenzaldehyde 失效
标题翻译：邻硝基苯甲醛的制备
公开(公告)号：US4450297A
公开(公告)日：1984-05-22
申请号：US476093
申请日：1983-03-17
申请人： Michael Preiss , Wolfgang Gau , Horst Behre
发明人： Michael Preiss , Wolfgang Gau , Horst Behre
IPC分类号： C07C201/16 , C07C20060101 , C07C45/78 , C07C67/00 , C07C201/00 , C07C205/44 , C07C76/06 , C07C79/36
CPC分类号： C07C201/12 , C07C201/16
摘要： A process for the preparation of o-nitrobenzaldehyde, comprising converting to the corresponding acetals a mixture of nitrated benzaldehyde which contains about 10 to 30% of o-nitrobenzaldehyde and about 70 to 90% of m-nitrobenzaldehyde, removing the o-nitrobenzaldehyde acetal by distillation, and then converting the o-nitrobenzaldehyde acetal to o-nitrobenzaldehyde.
摘要翻译：一种制备邻硝基苯甲醛的方法，包括将相应的缩醛转化成含有约10-30％邻硝基苯甲醛的硝化苯甲醛和约70-90％间硝基苯甲醛的混合物，通过以下步骤除去邻硝基苯甲醛缩醛蒸馏，然后将邻硝基苯甲醛缩醛转化为邻硝基苯甲醛。

2. 发明授权

US4348334A Process for producing the magnesium salt of 3-nitro-naphthalene-1,5-disulfonic acid (nitro-Armstrong's acid) 失效
标题翻译：制备3-硝基 - 萘-1,5-二磺酸镁盐（硝基 - 阿姆斯壮酸）的方法
公开(公告)号：US4348334A
公开(公告)日：1982-09-07
申请号：US113412
申请日：1980-01-18
申请人： Bernhard Albrecht , Hans Frey , Vinzenz Habermacher , Horst Behre , Lutz Kienitz , Wolfgang Schenk , Guido Steffan , Axel Vogel
发明人： Bernhard Albrecht , Hans Frey , Vinzenz Habermacher , Horst Behre , Lutz Kienitz , Wolfgang Schenk , Guido Steffan , Axel Vogel
IPC分类号： C07C309/40 , C07C67/00 , C07C301/00 , C07C303/06 , C07C303/22 , C07C303/32 , C07C143/55
CPC分类号： C07C309/00
摘要： A process for producing the magnesium salt of 3-nitro-naphthalene-1,5-disulfonic acid by sulfonating naphthalene, nitrating the sulfonation product, and separating the pure magnesium salt of 3-nitronaphthalene-1,5-disulfonic acid, which process comprises:(a) sulfonating naphthalene with liquid SO.sub.3 in the presence of an inert organic solvent at temperatures between -40.degree. and +20.degree. C.;(b) adding to the reaction mixture obtained a mixture consisting of about equal parts of 100% sulfuric acid and fully reacted crude nitration mixture from nitration of a previous nitration charge, separating from the resulting two-phase system the upper organic solvent phase by decanting, and removing from the Armstrong's acid anhydride acid slurry the remainder of organic solvent by distillation, or removing it during or after subsequent nitration, subsequently adding to the residue the amount of nitric acid required for nitration, and then nitrating;(c) adding then firstly water and afterwards, in the absence of the inert organic solvent, at 90.degree. to 120.degree. C., a compound releasing magnesium ions, the amount being such that, per mol of 3-nitronaphthalene-1,5-disulfonic acid, 1.1 to 1.3 mols of magnesium ions are added, and a sulfuric acid concentration of between 40 and 60 percent by weight (relative to the sulfuric acid and water) is maintained; and(d) separating the crystallized magnesium salt of 3-nitronaphthalene-1,5-disulfonic acid at a temperature of between 20.degree. and 70.degree. C., and subsequently optionally washing it with a maximum of 60 percent by weight of sulfuric acid and/or water, and optionally drying the product.
摘要翻译：通过磺化萘，硝化磺化产物和分离3-硝基萘-1,5-二磺酸的纯镁盐来生产3-硝基 - 萘-1,5-二磺酸的镁盐的方法，该方法包括：（a）在-40℃〜+ 20℃的温度下，在惰性有机溶剂的存在下，用液态SO 3磺化萘。（b）向反应混合物中加入由约等量的100％硫酸组成的混合物和来自先前硝化装置的硝化的完全反应的粗硝化混合物，通过倾析从所得两相体系中分离出上部有机溶剂相，并通过蒸馏从阿姆斯壮的酸酐酸浆中除去剩余的有机溶剂，或者在后续硝化过程中或之后将其除去，随后向残余物中加入硝化所需的硝酸量，然后硝化; （c）然后首先加入水，然后在不存在惰性有机溶剂的情况下，在90〜120℃下，加入释放镁离子的化合物，其用量为每摩尔3-硝基萘-1,5 二磺酸，加入1.1〜1.3摩尔的镁离子，硫酸浓度保持在40〜60重量％之间（相对于硫酸和水）; 和（d）在20℃至70℃的温度下分离3-硝基萘-1,5-二磺酸的结晶镁盐，随后任选地用最多60重量％的硫酸洗涤， /或水，并任选地干燥产品。

3. 发明授权

US4163752A Process for the preparation of aminonaphthalenesulphonic acids 失效
标题翻译：制备氨基萘磺酸的方法
公开(公告)号：US4163752A
公开(公告)日：1979-08-07
申请号：US868558
申请日：1978-01-11
申请人： Otto Barth , Hans-Joachim Becker , Horst Behre , Reinhard Kaiser , Guido Steffan , Jurgen Zander
发明人： Otto Barth , Hans-Joachim Becker , Horst Behre , Reinhard Kaiser , Guido Steffan , Jurgen Zander
IPC分类号： C07C309/47 , C07C67/00 , C07C301/00 , C07C303/22 , C07C303/32 , C07C143/56
摘要： A process has been invented for the preparation of aminonaphthalenesulphonic acids by the catalytic hydrogenation of salts of nitronaphthalenesulphonic acids with hydrogen in the presence of Raney nickel catalysts at elevated temperature and pressure, said catalysts comprising a combination of fresh Raney nickel catalyst and Raney nickel catalyst which has already been used in prior hydrogenation or hydrogenations.
摘要翻译：已经发明了一种通过在高温和高压下在阮内镍催化剂存在下通过硝基萘磺酸的盐催化氢化制备氨基萘磺酸的方法，所述催化剂包含新鲜的阮内镍催化剂和阮内镍催化剂的组合，已经用于以前的氢化或氢化。

4. 发明授权

US06620962B2 Method for producing n-butyryl-4-amino-3-methyl-methyl benzoate and the novel compound n-(4-bromine-2-methylphenyl)-butanamide 失效
标题翻译：正丁酰基-4-氨基-3-甲基 - 甲基苯甲酸酯和新型化合物n-（4-溴-2-甲基苯基） - 丁酰胺的制备方法
公开(公告)号：US06620962B2
公开(公告)日：2003-09-16
申请号：US10239678
申请日：2002-09-24
申请人： Lars Rodefeld , Thomas Höpfner , Alexander Klausener , Horst Behre
发明人： Lars Rodefeld , Thomas Höpfner , Alexander Klausener , Horst Behre
IPC分类号： C07C22702
CPC分类号： C07C233/15 , C07C231/12 , C07C233/54
摘要： According to the invention, N-butyryl-4-amino-3-methyl-methyl benzoate is obtained in a particularly advantageous manner by, initially, reacting o-toluidine with butyric acid chloride, by brominating the reaction product and by reacting the bromide obtained therefrom with carbon monoxide and methanol in the presence of a palladium catalyst. The invention also relates to the important novel chemical compound N-(4-bromine-2-methylphenyl)-butanamide.
摘要翻译：根据本发明，以特别有利的方式，通过使邻甲苯胺与丁酰氯反应，通过溴化反应产物并使所得到的溴化物反应，得到N-丁酰基-4-氨基-3-甲基 - 甲基苯甲酸酯与一氧化碳和甲醇在钯催化剂存在下反应。本发明还涉及重要的新化合物N-（4-溴-2-甲基苯基） - 丁酰胺。

5. 发明授权

US06465678B1 Method for preparing methyl carbazate 有权
标题翻译：制备甲基肼基甲酸酯的方法
公开(公告)号：US06465678B1
公开(公告)日：2002-10-15
申请号：US09889813
申请日：2001-07-20
申请人： Lars Rodefeld , Horst Behre , Alexander Klausener , Robert Söllner
发明人： Lars Rodefeld , Horst Behre , Alexander Klausener , Robert Söllner
IPC分类号： C07C22900
CPC分类号： C07C281/02
摘要： Methyl carbazate which is particularly pure and has a particularly low tendency toward discoloration is obtained from hydrazine and dimethyl carbonate if the two reactants are metered simultaneously into an initially introduced first solvent at from −20 to +30° C., the solvent and low-boiling components are then distilled off under reduced pressure, and then either a second solvent is added to the crude methyl carbazate present and this solvent is distilled off under reduced pressure or an inert gas is passed through the crude methyl carbazate present.
摘要翻译：如果两个反应物在-20至+ 30℃下同时计量到初始引入的第一溶剂中，则可从肼和碳酸二甲酯得到特别纯的具有特别低的变色趋势的肼基甲酸甲酯，然后在减压下蒸馏沸腾的组分，然后将第二溶剂加入到存在的粗甲基肼基甲酸酯中，并在减压下蒸馏掉该溶剂，或使惰性气体通过存在的粗甲基肼基甲酸酯。

6. 发明授权

US6133480A Preparation of N-phenyl-1-naphthylamine 失效
标题翻译： N-苯基-1-萘胺的制备
公开(公告)号：US6133480A
公开(公告)日：2000-10-17
申请号：US209401
申请日：1998-12-10
申请人： Horst Behre , Helmut Fiege , Wolfgang Eymann , Frank Arndt , Rudolf Wiemers , Alexander Klausener
发明人： Horst Behre , Helmut Fiege , Wolfgang Eymann , Frank Arndt , Rudolf Wiemers , Alexander Klausener
IPC分类号： B01J27/24 , B01J31/26 , C07B61/00 , C07C209/60 , C07C209/64 , C07C211/58 , C07C211/00
CPC分类号： C07C209/64 , Y02P20/582
摘要： N-Phenyl-1-naphthylamine can be prepared by reaction of aniline and 1-naphthylamine in the liquid phase at 100-400.degree. C. under normal pressure, a catalyst mixture comprising boron and fluorine being employed. Such catalyst mixtures can be obtained, for example, by reaction of hydrogen fluoride, boric acid and aniline and/or 1-naphthylamine. The catalyst is recovered and can be employed again. The reaction can be carried out discontinuously or continuously.
摘要翻译： N-苯基-1-萘胺可以通过在常压下在100-400℃下在液相中使苯胺和1-萘胺反应来制备，使用包含硼和氟的催化剂混合物。这样的催化剂混合物可以通过例如氟化氢，硼酸和苯胺和/或1-萘胺的反应获得。催化剂被回收并可再次使用。反应可以不连续或连续进行。

7. 发明授权

US4705652A Tetra-alkali metal salts of chromotropic acid, a process for their isolation and their use 失效
标题翻译：变酸性的四碱金属盐，它们的分离和使用的过程
公开(公告)号：US4705652A
公开(公告)日：1987-11-10
申请号：US867111
申请日：1986-05-23
申请人： Erich Hammerschmidt , Horst Behre , Heinz U. Blank , Dietmar Mayer
发明人： Erich Hammerschmidt , Horst Behre , Heinz U. Blank , Dietmar Mayer
IPC分类号： C07C301/00 , C07C67/00 , C07C271/10 , C07C309/43 , C07C143/30
CPC分类号： C07C309/43
摘要： Solid crystalline tetra-alkali metal salts of chromotropic acid, a process for their isolation and their use for the preparation of pure chromotropic acid or di-alkali metal salts of chromotropic acid.
摘要翻译：变色酸的固体结晶四碱金属盐，它们的分离方法及其用于制备变色酸的纯变酸或二碱金属盐的用途。

8. 发明授权

US4377535A Process for the preparation of nitro-T-acid (8-nitro-naphthalene-1,3,6-trisulphonic acid) 失效
标题翻译：制备硝基-T-酸（8-硝基 - 萘-1,3,6-三磺酸）的方法
公开(公告)号：US4377535A
公开(公告)日：1983-03-22
申请号：US219615
申请日：1980-12-24
申请人： Reinhard Kaiser , Horst Behre , Jurgen Dammann , Rolf Putter , Axel Vogel
发明人： Reinhard Kaiser , Horst Behre , Jurgen Dammann , Rolf Putter , Axel Vogel
IPC分类号： C07C309/40 , C07C67/00 , C07C301/00 , C07C303/22 , C07C143/55 , C07B11/00
CPC分类号： C07C309/00
摘要： A process has been provided for the preparation of nitro-T-acid by nitration of naphthalene-1,3,6-trisulphonic acid from a nitration mixture which has reacted to the extent of at least 80% which naphthalene-1,3,6-trisulphonic acid or a mixture containing the latter. Nitro-T-acid (and T-acid) is an intermediate for the preparation of H-acid which, in turn, is an intermediate for the preparation of dyestuffs.
摘要翻译：已经提供了一种通过从硝化混合物中硝化萘-1,3,6-三磺酸制备硝基-T-酸的方法，该硝化混合物的反应程度至少为80％，该萘-1,3,6 - 三磺酸或含有后者的混合物。硝基T酸（和T酸）是制备H酸的中间体，其又是制备染料的中间体。

9. 发明授权

US4338261A Process for the preparation of 1-naphthylamine-4,6-disulphonic acid and 1-naphthylamine-2,4,6-trisulphonic acid 失效
标题翻译： 1-萘胺-4,6-二磺酸和1-萘胺-2,4,6-三磺酸的制备方法
公开(公告)号：US4338261A
公开(公告)日：1982-07-06
申请号：US247416
申请日：1981-03-25
申请人： Heinz U. Blank , Horst Behre , Hans W. Linden , Werner Mentzel
发明人： Heinz U. Blank , Horst Behre , Hans W. Linden , Werner Mentzel
IPC分类号： C07C309/47 , C07C67/00 , C07C301/00 , C07C303/06 , C07C143/60
CPC分类号： C07C303/06
摘要： Improved process for the preparation of 1-naphthylamine-4,6-disulphonic acid wherein the sulphonation of the 1-naphthylamine-6-sulphonic acid is carried out by adding the oleum at a temperature of 10.degree. to 70.degree. C., either to initially introduce sulphuric acid simultaneously with the 1-naphthylamine-6-sulphonic acid or to 1-naphthylamine-6-sulphonic acid, which is dissolved or suspended in sulphuric acid, and by using such a molar ratio of sulphur trioxide to 1-naphthylamine-6-sulphonic acid that 1.2 to 3 mols of sulphur trioxide are present per mol of 1-naphthylamine-6-sulphonic acid. The sulphonation mixture formed in the preparation can be sulphonated in a second sulphonation stage to 1-naphthylamine-2,4,6-trisulphonic acid.
摘要翻译：制备1-萘胺-4,6-二磺酸的改进方法，其中1-萘胺-6-磺酸的磺化是通过在10℃至70℃的温度下加入发烟硫酸来进行的，最初与1-萘胺-6-磺酸或溶解或悬浮在硫酸中的1-萘胺-6-磺酸同时引入硫酸，并且通过使用三氧化硫与1-萘胺-6-磺酸的摩尔比， 6-磺酸，每摩尔1-萘胺-6-磺酸存在1.2〜3摩尔三氧化硫。在制备中形成的磺化混合物可以在第二个磺化阶段中磺化成1-萘胺-2,4,6-三磺酸。

10. 发明授权

US4166826A Process for the preparation of 1-amino-8-naphthol-3,6-disulphonic acid (H-acid) 失效
标题翻译：制备1-氨基-8-萘酚-3,6-二磺酸（H酸）的方法
公开(公告)号：US4166826A
公开(公告)日：1979-09-04
申请号：US920032
申请日：1978-06-28
申请人： Willi Schossler , Rolf Putter , Horst Behre
发明人： Willi Schossler , Rolf Putter , Horst Behre
IPC分类号： C07C309/50 , C07C67/00 , C07C301/00 , C07C303/22 , C07C303/32 , C07C143/66
CPC分类号： C07C303/22
摘要： A process has been invented for the preparation of a mono-alkali metal of 1-amino-8-naphthol-3,6-disulphonic acid, comprising reacting 1-naphthylamine-3,6,8-trisulphonic acid and/or a salt thereof and/or a naphthylamine trisulphonic acid isomer mixture and/or salt thereof with an alkali metal hydroxide solution in the presence of an alcohol and/or alcoholate and in the presence of a substance which contains at least one oxygen atom bonded to a nitrogen atom, at elevated pressure and elevated temperature, and separating out the mono-alkali metal salt of 1-amino-8-naphthol-3,6-disulphonic acid by acidification. The process results in the procurement of higher yields of the desired product and in the formation of less by-products.
摘要翻译：已经发明了一种制备1-氨基-8-萘酚-3,6-二磺酸的单碱金属的方法，包括1-萘胺-3,6,8-三磺酸和/或其盐和/或萘胺三磺酸异构体混合物和/或其盐与碱金属氢氧化物溶液在醇和/或醇化物的存在下，在含有至少一个与氮原子键合的氧原子的物质存在下，在升高的压力和升高的温度下，通过酸化分离出1-氨基-8-萘酚-3,6-二磺酸的单碱金属盐。该过程导致采购更高产量的所需产品和形成较少的副产物。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式