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    • 4. 发明授权
    • Process for the preparation of salts of substituted or unsubstituted
phthalic acids
    • 用于制备取代或未取代的邻苯二甲酸的盐的方法
    • US5723658A
    • 1998-03-03
    • US641757
    • 1996-05-02
    • Ralf PfirmannTheodor Papenfuhs
    • Ralf PfirmannTheodor Papenfuhs
    • C07C51/06C07C51/00C07C51/41C07C63/72C07C65/03C07C63/16C07C63/17
    • C07C51/00C07C51/41
    • The present invention relates to a process for the preparation of salts of substituted or unsubstituted phthalic acids, by reacting a compound of the formula ##STR1## in which R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are identical or different and are H, F, Cl, Br, CF.sub.3, OH, an alkoxy or alkyl radical in each case having 1 to 4 carbon atoms, or a radical --NR.sup.7 R.sup.8, in which R.sup.7 and R.sup.8 are identical or different and are H, an alkyl radical having 1 to 4 carbon atoms, or a phenyl radical, R.sup.5 and R.sup.6 are identical or different and are H, a --CO-- alkyl group having 1 to 6 carbon atoms in the alkyl radical, or a benzoyl group, or R.sup.5 and R.sup.6 together form a radical of the formula ##STR2## in which R.sup.9, R.sup.10, R.sup.11 and R.sup.12 are identical or different and are H, F, Cl, Br, CF.sub.3, OH, an alkoxy or alkyl radical in each case having 1 to 4 carbon atoms, or a radical --NR.sup.7 R.sup.8, in which R.sup.7 and R.sup.8 are identical or different and are H, an alkyl radical having 1 to 4 carbon atoms, or a phenyl radical, with water, a water-soluble base, and an oxidizing agent at a temperature of -10.degree. to 150.degree. C. in the presence or absence of a water-insoluble solvent inert under the reaction conditions.
    • 本发明涉及一种制备取代或未取代的邻苯二甲酸的盐的方法,其中R1,R2,R3和R4相同或不同,为H,F ,Cl,Br,CF 3,OH,每种情况下具有1至4个碳原子的烷氧基或烷基,或基团-NR 7 R 8,其中R 7和R 8相同或不同,为H,具有1至4个 碳原子或苯基,R 5和R 6相同或不同,为H,烷基中具有1至6个碳原子的-CO-烷基或苯甲酰基,或者R 5和R 6一起形成 其中R 9,R 10,R 11和R 12相同或不同,为每个情况具有1至4个碳原子的H,F,Cl,Br,CF 3,OH,烷氧基或烷基的式(II) 或基团-NR 7 R 8,其中R 7和R 8相同或不同,为H,具有1至4个碳原子的烷基或苯基,与水,水溶性碱, 和在-10℃〜150℃的温度下,在反应条件下在水不溶性溶剂存在或不存在下为惰性的氧化剂。
    • 8. 发明授权
    • Process for the preparation of esters of aromatic carboxylic acid
    • 芳香族羧酸酯的制备方法
    • US5874608A
    • 1999-02-23
    • US858357
    • 1997-05-19
    • Ralf PfirmannTheodor Papenfuhs
    • Ralf PfirmannTheodor Papenfuhs
    • C07B61/00C07C67/11C07C69/76C07C227/18C07C229/54C07C319/20C07C323/62
    • C07C67/11
    • The present invention relates to a process for the preparation of compounds of the formula (1)R.sup.1 R.sup.2 R.sup.3 R.sup.4 R.sup.5 ArCOOR (1)in which R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are identical or different and are hydrogen, a halogen, an alkyl or alkoxy group having 1 to 6 carbon atoms or OR, NHR, NR.sub.2, SR or COOR, in which R is an alkyl radical having 1 to 4 carbon atoms, Ar is an aryl radical having 6 to 12 carbon atoms and the radical R shown in formula (1) has the above meaning, by reacting a compound of the formula (2)R.sup.1 R.sup.2 R.sup.3 R.sup.4 R.sup.5 ArCOOH (2)in which R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are identical or different and are hydrogen, a halogen, an alkyl or alkoxy group having 1 to 6 carbon atoms, OH, NH.sub.2, NHR, SH or COOH and Ar has the same meaning as in formula (1), with a sulfate of the formula (RO).sub.2 SO.sub.2, in which R has the above meaning, in the presence of a water-insoluble tertiary amine and water at a temperature of 10.degree. to 120.degree. C. in the presence or absence of a water-insoluble solvent and with the addition of a base, at a pH of 5 to 12.
    • 本发明涉及制备式(1)化合物的方法,R1R2R3R4R5ArCOOR(1)其中R1,R2,R3,R4和R5相同或不同,为氢,卤素,烷基或烷氧基,其具有 1至6个碳原子或OR,NHR,NR 2,SR或COOR,其中R是具有1至4个碳原子的烷基,Ar是具有6至12个碳原子的芳基,并且式(1)中所示的基团R )具有上述含义,通过使式(2)R 1 R 2 R 3 R 4 R 5 ArCOOH(2)的化合物与其中R 1,R 2,R 3,R 4和R 5相同或不同且为氢,卤素,烷基或烷氧基, 6个碳原子,OH,NH 2,NHR,SH或COOH和Ar的定义与式(1)中的含义相同,式(RO)2 SO 2的硫酸盐,其中R具有上述含义, 水不溶性叔胺和水,在存在或不存在水不溶性溶剂的情况下,在10〜120℃的温度下加入碱,在pH为 5至12。
    • 10. 发明授权
    • N'-substituted N-amino-3,4,5,6-tetrafluorophthalimides, and processes
for their preparation
    • N-取代的N-氨基-3,4,5,6-四氟邻苯二酰亚胺,及其制备方法
    • US5304655A
    • 1994-04-19
    • US126794
    • 1993-09-24
    • Theodor PapenfuhsRalf Pfirmann
    • Theodor PapenfuhsRalf Pfirmann
    • C07D209/48
    • C07D209/48
    • Compounds of the formula ##STR1## in which X is the radical ##STR2## where R.sub.1 and R.sub.2 are in each case a hydrogen atom, an alkyl-(C.sub.1 -C.sub.10) group, aryl group, alkyl(C.sub.1 -C.sub.6)-CO group or aryl-CO group, where the aryl or aryl-CO group in the case of R.sub.1 and R.sub.2 can be substituted on the aromatic ring by fluorine and/or chlorine atoms and/or alkyl(C.sub.1 -C.sub.4) groups, or R.sub.1 and R.sub.2 together are a phthaloyl radical which can be substituted on the aromatic ring by 4 chlorine atoms or 4 fluorine atoms, or where X is the radical ##STR3## which can be substituted on the aromatic ring by fluorine and/or chlorine atoms and/or alkyl(C.sub.1 -C.sub.4) groups, and processes for their preparation.
    • 式(1)的化合物,其中X是基团,其中R 1和R 2各自为氢原子,烷基 - (C 1 -C 10)基团,芳基,烷基(C 1 -C 6) -CO基或芳基-CO基,其中在R1和R2的情况下的芳基或芳基-CO基可以在芳环上被氟和/或氯原子和/或烷基(C1-C4)基团取代,或 R1和R2一起是可以在芳环上被4个氯原子或4个氟原子取代的邻苯二甲酰基,或其中X是可以在芳环上被氟和/或氯原子取代的基团, /或烷基(C 1 -C 4)基团,及其制备方法。