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1. 发明授权

US5276203A Process for the preparation of 1,2-bis-(2-nitrophenoxy)-ethane 失效
标题翻译：制备1,2-双 - （2-硝基苯氧基） - 乙烷的方法
公开(公告)号：US5276203A
公开(公告)日：1994-01-04
申请号：US957723
申请日：1992-10-07
申请人： Theodor Papenfuhs , Wilfried Pressler , Jochen Rapp
发明人： Theodor Papenfuhs , Wilfried Pressler , Jochen Rapp
IPC分类号： B01J23/04 , C07B61/00 , C07C201/12 , C07C205/37 , C07C205/06 , C07C41/01
CPC分类号： C07C201/12
摘要： The present invention relates to a process for the preparation of 1,2-bis-(2-nitrophenoxy)-ethane, by reacting 1 mole of ethylene glycol with about 190 to about 250 mol % of 2-chloronitrobenzene at temperatures of about 40.degree. to about 100.degree. C. with the addition of an alkali metal hydroxide in dimethylacetamide.
摘要翻译：本发明涉及通过在约40℃的温度下使1摩尔乙二醇与约190至约250摩尔％的2-氯硝基苯反应制备1,2-双 - （2-硝基苯氧基） - 乙烷的方法至约100℃，在二甲基乙酰胺中加入碱金属氢氧化物。

2. 发明授权

US5523472A Process for the preparation of 5-fluoroanthranilic acid 失效
标题翻译：制备5-氟邻氨基苯甲酸的方法
公开(公告)号：US5523472A
公开(公告)日：1996-06-04
申请号：US319112
申请日：1994-10-06
申请人： Freimund Rohrscheid , Jochen Rapp , Theodor Papenfuhs
发明人： Freimund Rohrscheid , Jochen Rapp , Theodor Papenfuhs
IPC分类号： B01J27/128 , C07B61/00 , C07C51/265 , C07C63/70 , C07C227/08 , C07C229/56 , C07C51/16 , C07C51/255 , C07C63/04 , C07C229/52
CPC分类号： C07C227/08
摘要： The present invention relates to a process for the preparation of 5-fluoroanthranilic acid, which comprises reacting 5-fluoro-2-bromotoluene in the presence of a catalyst and of an acidic solvent, with oxygen or an oxygen-containing gas at from 80.degree. to 220.degree. C., separating off the 5-fluoro-2-bromobenzoic acid formed and reacting it with ammonia at from 70.degree. to 180.degree. C.
摘要翻译：本发明涉及5-氟邻氨基苯甲酸的制备方法，该方法包括在催化剂和酸性溶剂存在下，使5-氟-2-溴甲苯与氧或含氧气体在80℃下反应分离出形成的5-氟-2-溴苯甲酸，并将其与氨在70〜180℃反应。

3. 发明授权

US5543550A Process for the preparation of 5-fluoroanthranilic alkyl esters and/or 5-fluoroanthranilic acid 失效
标题翻译： 5-氟邻氨基烷基酯和/或5-氟邻氨基苯甲酸的制备方法
公开(公告)号：US5543550A
公开(公告)日：1996-08-06
申请号：US319306
申请日：1994-10-06
申请人： Jochen Rapp , Siegfried Planker , Theodor Papenfuhs , G unter Bartels
发明人： Jochen Rapp , Siegfried Planker , Theodor Papenfuhs , G unter Bartels
IPC分类号： B01J27/045 , C07B61/00 , C07C227/04 , C07C227/06 , C07C229/56 , C07C229/52 , C07C63/04 , C07C69/76
CPC分类号： C07C227/06
摘要： The present invention relates to a process for the preparation of 5-fluoroanthranilic alkyl esters and/or 5-fluoroanthranilic acid, which comprises dissolving a 3-fluorobenzoic alkyl ester in sulfuric acid and reacting the solution with a nitrating acid at from -10.degree. to 30.degree. C., then adding water, separating off the nitrated reaction product and reacting it with hydrogen at from 50.degree. to 120.degree. C. under elevated pressure in the presence of a catalyst comprising a metal of the platinum group and sulfur, and, if desired, removing 5-fluoroanthranilic alkyl esters by distillation and hydrolyzing them to give 5-fluoroanthranilic acid.
摘要翻译：本发明涉及5-氟邻氨基烷基酯和/或5-氟邻氨基苯甲酸的制备方法，该方法包括将3-氟苯甲酸烷基酯溶解在硫酸中，并使该溶液与-10℃的硝酸反应 30℃，然后加入水，分离硝化反应产物，并在50-120℃下，在包含铂族金属和硫的催化剂存在下，在高压下反应，如果需要，通过蒸馏除去5-氟邻氨基烷基酯并水解，得到5-氟邻氨基苯甲酸。

4. 发明授权

US5233083A Process for the preparation of 2-amino-3-chlorobenzoic acid 失效
标题翻译：制备2-氨基-3-氯代苯甲酸的方法
公开(公告)号：US5233083A
公开(公告)日：1993-08-03
申请号：US929722
申请日：1992-08-13
申请人： Theodor Papenfuhs , Jochen Rapp
发明人： Theodor Papenfuhs , Jochen Rapp
IPC分类号： B01J27/122 , C07B61/00 , C07C227/08 , C07C229/56
CPC分类号： C07C227/08
摘要： The present invention relates to a process for the preparation of 2-amino-3-chlorobenzoic acid by dissolving 1 mol of 2,3-dichlorobenzoic acid in about 400 to about 2000 parts of water with at least the equimolar amount of an alkali metal hydroxide or with an aqueous solution of the equimolar amount of an alkali metal hydroxide, and subsequently reacting it with about 500 to about 2500 mol % of ammonia at temperatures of about 150.degree. to about 220.degree. C. in the presence of copper bronze, copper(I) salts and/or copper(II) salts.
摘要翻译：本发明涉及通过将至少等摩尔量的碱金属氢氧化物溶解在约400至约2000份水中的1mol 2,3-二氯苯甲酸来制备2-氨基-3-氯苯甲酸的方法或与等摩尔量的碱金属氢氧化物的水溶液反应，然后在约铜 - 铜（铜）存在下，在大约150℃至大约220℃的温度下将其与约500至约2500摩尔％的氨反应 I）盐和/或铜（II）盐。

5. 发明授权

US5128440A Wholly aromatic polyamide from alkylsulfonyl aromatic diamine 失效
标题翻译：来自烷基磺酸芳香胺的单体芳香族聚酰胺
公开(公告)号：US5128440A
公开(公告)日：1992-07-07
申请号：US654874
申请日：1991-02-13
申请人： Gunter Keil , Reiner Hess , Jochen Rapp
发明人： Gunter Keil , Reiner Hess , Jochen Rapp
IPC分类号： C08G69/32 , C08G69/40 , C08G69/42 , D01F6/80
CPC分类号： C08G69/32 , D01F6/805
摘要： Aromatic copolyamides are described, which are soluble in organic amide solvents. The polymers are composed to at least 95 mol % of repeat structural unitsA: --OC--AR--CO--B: --HN--Ar'--NH--C: --HN--Ar"--NH-- ##STR1## in the combinations A+B+C+D, or A+C+D+E and up to 5 mol % of m-bond-containing structural units F and/or G derived from aromatic dicarboxylic acids (F') and/or from aromatic diamines (G'), the sum total of the mole fractions of structural units A+F and the sum total of the mole fractions of the structural units of B+C+D+E+G being essentially the same, --Ar-- and --Ar'-- are divalent aromatic radicals whose C--N valence bonds are in a para-position or in a similar coaxial or parallel position and which may be substituted by one or two inert radicals, such as lower alkykl or halogen, ##STR2## is a trivalent aromatic radical which after removal of the --SO.sub.2 R group has the same meaning as --Ar-- or --Ar'-- or else is the structural unit ##STR3## wehre X is --O--, --NHCO--, --SO.sub.2 -- or --CO--, --R is lower alkyl and--R' is lower alkyl or alkoxy,and the proportions of the diamine components B, C, D and E are within the following limits:B: 25-47.5 mol %C: 7.5-30 molD: 45-67.5 mol andE: 20-40 mol.
摘要翻译：描述了芳族共聚酰胺，其可溶于有机酰胺溶剂。聚合物由至少95摩尔％的重复结构单元A组成：-OC-AR-CO-B：-HN-Ar'-NH-C：-HN-Ar“-NH- 组合A + B + C + D或A + C + D + E和高达5摩尔％的由芳族二羧酸（F'）衍生的含有M键的结构单元F和/或G的组合和/或来自芳族二胺（G'），结构单元A + F的摩尔分数和B + C + D + E + G的结构单元的摩尔分数之和的总和基本相同，Ar-和-Ar'-是其CN价键处于对位或相似同轴或平行位置并且可被一个或两个惰性基团如低级烷基或卤素取代的二价芳族基团，是一种三价芳族基团，除去-SO 2 R基后，与-Ar-或-Ar'具有相同的含义，或者是结构单元，其中X是-O-，-NHCO-， - SO 2 - 或-CO-，-R是低级烷基，-R'是低级烷基或烷氧基，二胺成分B，C，D和E在以下限度内：B：25-47.5摩尔％C：7.5-30摩尔D：45-67.5摩尔，E：20-40摩尔。

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