公开(公告)号：US5466881A

公开(公告)日：1995-11-14

申请号：US232550

申请日：1994-04-22

Applicant: Michael Pies ,  Helmut Fiege ,  Lothar Puppe ,  Josef Kasbauer

Inventor： Michael Pies ,  Helmut Fiege ,  Lothar Puppe ,  Josef Kasbauer

IPC: B01J29/40 ,  C07B61/00 ,  C07C17/358 ,  C07C25/02 ,  C07C25/08 ,  C07C17/00 ,  C07C25/00

CPC classification number: C07C17/358

Abstract: In the preparation of m-chloroaromatics by isomerizing corresponding o- and/or p-chloroaromatics in the liquid phase over zeolites, the activity of the zeolites remains at a high level for a particularly long time if the process is carried out in the presence of from 1 to 30 mol % of hydrogen, based on the chloroaromatics used.

Abstract translation: 在通过在液相中相对于沸石异构化相应的O-和/或对氯异构体的m-氯代芳族化合物的制备中，沸石的活性在高水平下保持特别长的时间，如果该方法在 基于所使用的氯芳烃，为1至30mol％的氢。

公开(公告)号：US5145958A

公开(公告)日：1992-09-08

申请号：US799918

申请日：1991-11-26

Applicant: Wolfram Kissener ,  Helmut Fiege

Inventor： Wolfram Kissener ,  Helmut Fiege

IPC: C07C209/68 ,  C07C209/74 ,  C07C211/52

CPC classification number: C07C209/74

Abstract: 2,4- or 2,6-dihalogeno-aniline can be prepared by reacting an amino-benzoic acid ester of the formula ##STR1## in which R.sup.1, R.sup.2 and R.sup.3 have the meanings indicated in the description, with 2-2.5 moles of a chlorinating or brominating agent in an inert reaction medium at a temperature of 40.degree.-160.degree. C. and subsequently hydrolyzing and decarboxylating the dihalogenated amino-benzoic acid ester.

Abstract translation: 2,4-或2,6-二卤代苯胺可以通过使式（I）的氨基 - 苯甲酸酯与其中R1，R2和R3具有说明书所示含义的氨基 - 苯甲酸酯与2- 2.5摩尔氯化或溴化剂在惰性反应介质中，在40〜160℃下，随后水解和脱羧二卤代氨基 - 苯甲酸酯。

公开(公告)号：US5096625A

公开(公告)日：1992-03-17

申请号：US591659

申请日：1990-10-02

Applicant: Josef Kasbauer ,  Helmut Fiege

Inventor： Josef Kasbauer ,  Helmut Fiege

IPC: C07C303/14 ,  C07C309/04

CPC classification number: C07C303/14

Abstract: Aliphatic sulphonic acids can be prepared by reacting n-paraffins with SO.sub.2 and O.sub.2 under UV irradiation with high selectivity even at conversions of up to 12 mol % if an amount of water is added which is appropriate to ensure that after the reaction has commenced and the stationary state has been reached, the sulphoxidation proceeds in homogeneous phase.

Abstract translation: 脂肪族磺酸可以通过在UV照射下以高选择性使正链烷烃与SO 2和O 2反应来制备，即使加入适量的水也可以达到12mol％的转化率，这是适当的，以确保在反应开始后 已经达到稳态，均匀相进行亚砜化。

公开(公告)号：US4827057A

公开(公告)日：1989-05-02

申请号：US219109

申请日：1988-07-14

Applicant: Josef Kasbauer ,  Helmut Fiege ,  Herbert Schmidt ,  Karlfried Wedemeyer

Inventor： Josef Kasbauer ,  Helmut Fiege ,  Herbert Schmidt ,  Karlfried Wedemeyer

IPC: C07B61/00 ,  B01J23/58 ,  C07C17/00 ,  C07C17/23 ,  C07C25/08 ,  C07C67/00

CPC classification number: C07C17/23

Abstract: 1,2-Dichlorobenzene can be prepared by reacting 1,2,4-trichlorobenzene in the gas phase with hydrogen. The reaction is carried out at a temperature from the boiling point of the starting material up to about 400.degree. C. and over a platinum-spinel catalyst.

Abstract translation: 1,2-二氯苯可以通过使气相中的1,2,4-三氯苯与氢气反应来制备。 该反应在起始原料的沸点高达约400℃的温度和铂 - 尖晶石催化剂上进行。

公开(公告)号：US4221719A

公开(公告)日：1980-09-09

申请号：US62846

申请日：1979-08-01

Applicant: Helmut Fiege ,  Karlfried Wedemeyer

Inventor： Helmut Fiege ,  Karlfried Wedemeyer

IPC: C07C59/84 ,  B01J23/00 ,  B01J23/62 ,  B01J27/00 ,  B01J27/25 ,  B01J31/00 ,  C07B61/00 ,  C07C51/00 ,  C07C51/235 ,  C07C51/255 ,  C07C67/00 ,  C07D317/06 ,  C07C51/42

CPC classification number: C07C51/235 ,  C07C51/255

Abstract: Process for the preparation of an arylglyoxylic acid of the formula Ar--CO--COOH, wherein Ar is optionally substituted aryl, which process comprises oxidizing the corresponding arylethane-1,2-diol of the formula ##STR1## with oxygen or a gas containing molecular oxygen, in an aqueous alkaline medium and in the presence of a platinum-group metal catalyst and, as an activator, a material selected from lead, lead compounds, bismuth and bismuth compounds, at a temperature of up to the boiling point of the reaction mixture; e.g. phenylglyoxylic acid is produced from phenylethane-1,2-glycol preferably using platinum activated with lead, bismuth, or compounds thereof.

Abstract translation: 制备式Ar-CO-COOH的芳基乙醛酸的方法，其中Ar是任选取代的芳基，该方法包括用式（I）氧化相应的式（I）的芳基乙烷-1,2-二醇与氧或 含有分子氧的气体，在含水碱性介质中，在铂族金属催化剂存在下，作为活化剂，选自铅，铅化合物，铋和铋化合物的材料，在最高沸点 点反应混合物; 例如 优选使用由铅，铋或其化合物活化的铂，由苯乙烷-1,2-二醇制备苯基乙醛酸。

公开(公告)号：US06433228B1

公开(公告)日：2002-08-13

申请号：US09486010

申请日：2000-02-18

Applicant: Joachim Komoschinski ,  Helmut Fiege ,  Guido Steffan ,  Klaus-Christian Paetz

Inventor： Joachim Komoschinski ,  Helmut Fiege ,  Guido Steffan ,  Klaus-Christian Paetz

IPC: C07C49697

CPC classification number: C07C45/46 ,  C07C49/697

Abstract: 2-Halogenoindan-1-ones are prepared in an advantageous manner by converting anilines into diazonium salts and these, with acrylic compounds, into 3-phenyl-1-halogenoproprionic acid derivatives, and latter are cyclized.

Abstract translation: 通过将苯胺转化为重氮盐，并将其与丙烯酸类化合物一起转化为3-苯基-1-卤代丙酸衍生物，然后将其环化，制备2-卤代茚并-1 -1-酮。

公开(公告)号：US6133480A

公开(公告)日：2000-10-17

申请号：US209401

申请日：1998-12-10

Applicant: Horst Behre ,  Helmut Fiege ,  Wolfgang Eymann ,  Frank Arndt ,  Rudolf Wiemers ,  Alexander Klausener

Inventor： Horst Behre ,  Helmut Fiege ,  Wolfgang Eymann ,  Frank Arndt ,  Rudolf Wiemers ,  Alexander Klausener

IPC: B01J27/24 ,  B01J31/26 ,  C07B61/00 ,  C07C209/60 ,  C07C209/64 ,  C07C211/58 ,  C07C211/00

CPC classification number: C07C209/64 ,  Y02P20/582

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US5911962A

公开(公告)日：1999-06-15

申请号：US113988

申请日：1998-07-10

Applicant: Franz-Josef Mais ,  Helmut Fiege

Inventor： Franz-Josef Mais ,  Helmut Fiege

IPC: C01B25/10

CPC classification number: C01B25/10

Abstract: Impure POCl.sub.3 is purified by distillation in the presence of high-boiling nitrogen compounds from the group consisting of the substituted pyridines and pyrimidines, the open-chain and cyclic aliphatic amines, the open-chain and cyclic amidines, the guanidines and the aromatic amines.

Abstract translation: 不饱和POCl 3在高沸点氮化合物存在下，由取代的吡啶和嘧啶，开环和环状脂族胺，开链和环状脒，胍和芳族胺组成的组中进行蒸馏纯化。

公开(公告)号：US5808141A

公开(公告)日：1998-09-15

申请号：US897403

申请日：1997-07-21

Applicant: Albert Schnatterer ,  Helmut Fiege

Inventor： Albert Schnatterer ,  Helmut Fiege

IPC: C07B61/00 ,  C07C303/22 ,  C07C303/32 ,  C07C309/40 ,  C07F11/00 ,  C07G17/00

CPC classification number: C07C303/22 ,  C07C303/32

Abstract: The new process for preparing 4,4'-dinitrostilbene-2,2'-disulphonic acid and salts thereof by oxidation of 4-nitrotoluene-2-sulphonic acid with an oxidant in the presence of strong bases is characterized in that the oxidation is carried out in a mixture of water and an organic solvent selected from the group consisting of alcohols, ethers and mixtures thereof.

Abstract translation: 通过在强碱存在下用氧化剂氧化4-硝基甲苯-2-磺酸的新的制备4,4'-二硝基二苯乙烯-2,2'-二磺酸的方法及其盐的特征在于进行氧化 在水和选自醇，醚及其混合物的有机溶剂的混合物中。

公开(公告)号：US5684217A

公开(公告)日：1997-11-04

申请号：US572229

申请日：1995-12-13

Applicant: Franz-Josef Mais ,  Werner Bussmann ,  Helmut Fiege

Inventor： Franz-Josef Mais ,  Werner Bussmann ,  Helmut Fiege

IPC: B01J27/128 ,  B01J31/02 ,  C07B61/00 ,  C07C17/12 ,  C07C25/13 ,  C07C22/00

CPC classification number: C07C17/12

Abstract: 3-Fluoro-4,6-dichlorotoluene can be prepared in a particularly favourable manner by first chlorinating 3-fluorotoluene at low temperature in the presence of a Friedel-Crafts catalyst and a heterocyclic cocatalyst to give a mixture containing 3-fluoro-4-chlorobenzene and 3-fluoro-6-chlorobenzene, and subsequently, without intermediate isolation, further chlorinating this mixture, at higher temperature, after addition of further Friedel-Crafts catalyst and further heterocyclic cocatalyst, to give 3-fluoro-4,6-dichlorotoluene.

Abstract translation: 3-氟-4,6-二氯甲苯可以以特别有利的方式通过在Friedel-Crafts催化剂和杂环助催化剂的存在下在低温下首先氯化3-氟甲苯，得到含有3-氟-4- 氯苯和3-氟-6-氯苯，随后在不进行中间分离的情况下，在加入另外的Friedel-Crafts催化剂和其它杂环助催化剂之后，在较高温度下进一步氯化该混合物，得到3-氟-4,6-二氯甲苯 。