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41. 发明授权

US4215071A Process for the preparation of sulphonic acid chlorides 失效
标题翻译：磺酰氯制备方法
公开(公告)号：US4215071A
公开(公告)日：1980-07-29
申请号：US941099
申请日：1978-09-08
申请人： Heinz U. Blank , Theodor Pfister
发明人： Heinz U. Blank , Theodor Pfister
IPC分类号： C07B61/00 , B01J31/00 , B01J31/02 , C07C67/00 , C07C301/00 , C07C303/02 , C07C309/86 , C07C143/26
CPC分类号： C07C309/00
摘要： An improvement in a process for the preparation of the sulphonic acid chloride of the formula ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are identical or different and denote hydrogen, a lower alkyl or cycloalkyl radical, halogen, nitro, aryl, aralkyl, aryl ether or a radical ##STR2## or wherein adjacent radicals R.sup.1 and R.sup.2 are linked to form a cycloaliphatic or aromatic carbocylic ring which is optionally substituted by a sulphonic acid chloride group by contacting a sulphonic acid of the formula ##STR3## wherein R.sup.1, R.sup.2 and R.sup.3 have the abovementioned meanings, with phosgene in the presence of a N,N-dialkylcarboxylic acid amide catalyst, the improvement wherein the process is carried out in the presence of a sulphonating agent.
摘要翻译：制备式（I）的磺酰氯的方法的改进，其中R 1，R 2和R 3相同或不同，表示氢，低级烷基或环烷基，卤素，硝基，芳基，芳烷基芳基醚或基团，或者其中相邻基团R 1和R 2连接形成脂环族或芳族碳环，其任选被磺酰氯基团取代，通过使下式的磺酸与式（II）其中R 1，R 2和R 3具有上述含义，在N，N-二烷基羧酸酰胺催化剂存在下用光气进行改性，其中该方法在磺化剂存在下进行。

42. 发明授权

US4341719A Process for the preparation of 1-amino-2-ethoxy-naphthalene-6-sulphonic acid 失效
标题翻译：制备1-氨基-2-乙氧基 - 萘-6-磺酸的方法
公开(公告)号：US4341719A
公开(公告)日：1982-07-27
申请号：US238327
申请日：1981-02-26
申请人： Rolf Putter , Theodor Pfister , Manfred Niese , Peter Wenzl
发明人： Rolf Putter , Theodor Pfister , Manfred Niese , Peter Wenzl
IPC分类号： C07C309/50 , C07C67/00 , C07C301/00 , C07C303/02 , C07C303/22 , C07C309/47 , C07C143/66
CPC分类号： C07C309/00
摘要： A process for the preparation of 1-amino-2-ethoxy-naphthalene-6-sulphonic acid from 2-hydroxy-naphthalene-6-sulphonic acid which comprises:A. contacting 2-hydroxy-naphthalene-6-sulphonic acid with at least an equimolar amount of an alkali metal nitrite in aqueous solution or suspension in the presence of hydrochloric acid, solution or suspension having a pH in the range of 2 to 5 and being at a temperature of 0.degree. to 20.degree. C.;B. reducing the reaction product of step A in an aqueous suspension by contacting the same with excess iron in the presence of at least an equivalent amount of iron-II ions, relative to the reaction product obtained according to step A, in the presence of a mineral acid at a temperature from 50.degree. to 120.degree. C., and treating the thus-obtained reaction mixture with aqueous alkali metal hydroxide in the presence of iron oxide;C. contacting the product of step B with excess acetic anhydride in an aqueous solution or suspension at a pH in the range of 3 to 10 at a temperature from 0.degree. to 100.degree. C.;D. contacting the product of step C with an ethylating agent in the presence of an acid binding agent in an aqueous-organic solvent or diluent in a pH range from 8 to 14 at a temperature from 20.degree. to 150.degree. C.; andE. deacetylating the product of step D by contacting the same at reflux with an aqueous alkali metal hydroxide.
摘要翻译：一种从2-羟基 - 萘-6-磺酸制备1-氨基-2-乙氧基 - 萘-6-磺酸的方法，其包括：A.将2-羟基 - 萘-6-磺酸与至少在盐酸，溶液或悬浮液的存在下，在pH为2至5，温度为0至20℃的水溶液或悬浮液中，等摩尔量的碱金属亚硝酸盐。 B.通过在相对于根据步骤A获得的反应产物存在下，在至少相当量的铁-II离子的存在下，使其与过量的铁接触，将步骤A的反应产物还原在水性悬浮液中在50〜120℃的温度下进行无机酸处理，在氧化铁存在下用碱金属氢氧化物水溶液处理得到的反应混合物; C.将步骤B的产物与过量的乙酸酐在0至100℃的温度下，在3至10的pH范围内的水溶液或悬浮液中接触。 D.在酸性粘合剂存在下，在pH范围为8-14的含水有机溶剂或稀释剂中，在20-150℃的温度下，使步骤C的产物与乙基化剂接触。和E.通过使其与碱金属氢氧化物水溶液在回流下使其脱离乙酰化步骤D的产物。

43. 发明授权

US4711959A 2-cyanoamino-pyrimidines 失效
标题翻译： 2-氰基氨基 - 嘧啶
公开(公告)号：US4711959A
公开(公告)日：1987-12-08
申请号：US884710
申请日：1986-07-11
申请人： Joachim Kluth , Klaus-Helmut Muller , Theodor Pfister
发明人： Joachim Kluth , Klaus-Helmut Muller , Theodor Pfister
IPC分类号： A01N43/54 , C07D239/42 , C07D239/46 , C07D239/47 , C07D239/52 , C07D239/56
CPC分类号： C07D239/42 , C07D239/47 , C07D239/52 , C07D239/56
摘要： A process for the preparation of a 2-cyanoamino-pyrimidine of the formula ##STR1## in which R.sub.1 is hydrogen, halogen, optionally substituted alkyl or optionally substituted alkoxy,R.sup.2 is hydrogen, alkyl or halogen, andR.sup.3 is hydrogen, halogen, optionally substituted alkyl or optionally substituted alkoxy,comprising reacting a 2-alkylsulphonyl-pyrimidine of the formula ##STR2## in which R.sup.4 is optionally substituted alkyl, with cyanamide or with a metal salt of cyanamide at a temperature between 0.degree. and 150.degree. C.
摘要翻译：制备式IMAMA的2-氰基氨基 - 嘧啶的方法，其中R 1为氢，卤素，任选取代的烷基或任选取代的烷氧基，R 2为氢，烷基或卤素，且R 3为氢，卤素，任选地取代的烷基或任选取代的烷氧基，包括使其中R 4为任选取代的烷基的式“IMAGE”的2-烷基磺酰基嘧啶与氰酰胺或与氰胺的金属盐在0至150℃之间的温度下反应。

44. 发明授权

US4260558A Process for the preparation of aromatic aminohydroxy compounds 失效
标题翻译：芳香族氨基羟基化合物的制备方法
公开(公告)号：US4260558A
公开(公告)日：1981-04-07
申请号：US953805
申请日：1978-10-23
申请人： Theodor Pfister
发明人： Theodor Pfister
IPC分类号： C07C67/00 , C07C213/00 , C07C213/02 , C07C215/74 , C07C215/76 , C07C229/64 , C07C301/00 , C07C303/22 , C07C303/32 , C07C309/49 , C07C99/00 , C07C139/00 , C07C143/56 , C07C143/64
CPC分类号： C07C215/76 , C07C309/49
摘要： An improvement in the process for the preparation of an aromatic hydroxy compounds by reacting an aromatic nitroso compound of the formula ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 independently represent hydrogen, a lower alkyl radical, halogen, a carboxyl or sulfo group or the corresponding alkali metal salt thereof orR.sup.1, R.sup.2 or R.sup.3 individually represent an optionally substituted aromatic ring formed by linking two adjacent radicals,with hydrazine, the improvement residing in reacting the aromatic nitroso compound with the hydrazine in approximately equivalent amounts in an aqueous medium at temperatures from 10.degree. to 50.degree. C., in the absence of a catalyst the aromatic nitroso compound being initially introduced into a reaction chamber and the hydrazine being added thereto.
摘要翻译：通过使式（I）的芳族亚硝基化合物（其中R 1，R 2和R 3独立地表示氢，低级烷基，卤素，羧基或磺基）反应制备芳族羟基化合物的方法的改进或其相应的碱金属盐或R 1，R 2或R 3分别表示通过将两个相邻基团与肼连接而形成的任选取代的芳环，其改进位于使芳族亚硝基化合物与肼在大约相当量的水性介质中反应在10℃至50℃的温度下，在不存在催化剂的情况下，芳族亚硝基化合物最初被引入反应室，并加入肼。

45. 发明授权

US4375562A Process for the preparation of bis-(amino-phenyl)-disulphides 失效
标题翻译：双（氨基 - 苯基） - 二硫化物的制备方法
公开(公告)号：US4375562A
公开(公告)日：1983-03-01
申请号：US238348
申请日：1981-02-26
申请人： Heinz U. Blank , Theodor Pfister , Rolf Putter
发明人： Heinz U. Blank , Theodor Pfister , Rolf Putter
IPC分类号： C07C319/24 , C07C67/00 , C07C313/00 , C07C323/33 , C07C93/14
CPC分类号： C07C319/24
摘要： Process for the preparation of a bis-(amino-phenyl)-disulphide of the formula ##STR1## in which R represents hydrogen or halogen,which comprises contacting an amino-thiophenol of the formula ##STR2## or a salt thereof in which R has the abovementioned meaningwith sulphur or a sulphur-donating substance in an aqueous dispersion at a temperature of 10.degree. to 120.degree. C. and a pH value of 3 to 9.
摘要翻译：制备式“IMAGE”的双 - （氨基 - 苯基） - 二硫化物的方法，其中R表示氢或卤素，其包括使式IMA的氨基 - 苯硫酚或其盐与在含水分散体中，在10〜120℃，pH值为3〜9的范围内，使用硫或供硫物质的上述含义。

46. 发明授权

US4314950A Process for the preparation of sulphonic acid chlorides 失效
标题翻译：磺酰氯制备方法
公开(公告)号：US4314950A
公开(公告)日：1982-02-09
申请号：US146827
申请日：1980-05-05
申请人： Theodor Pfister , Wolfgang Schenk , Heinz U. Blank
发明人： Theodor Pfister , Wolfgang Schenk , Heinz U. Blank
IPC分类号： C07C309/86 , B01J21/00 , B01J31/00 , C07C67/00 , C07C301/00 , C07C303/02 , C07C303/08 , C07C303/22 , C07C313/00 , C07C315/04 , C07C317/14 , C07C317/22 , C07C143/26
CPC分类号： C07C309/00 , C07C317/00
摘要： An improvement in a process for the preparation of a sulphonic acid chloride of the formula ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are independently hydrogen, a lower alkyl radical or a cycloalkyl radical, halogen, aryl, aralkyl, aryl ether or a radical --SO.sub.2 Cl, --SO.sub.2 -aryl ##STR2## or wherein adjacent radicals R.sup.1 and R.sup.2 are linked to form a cycloaliphatic, aromatic or hetero-aromatic ring which is optionally substituted by a sulphonic acid chloride group wherein an aromatic compound of the formula ##STR3## wherein R.sup.1, R.sup.2 and R.sup.3 have the above-identified meanings is reacted initially with chlorosulphonic acid and thereafter the reaction product is reacted with phosgene in the presence of a catalyst.
摘要翻译：制备式（I）的磺酰氯的方法的改进，其中R 1，R 2和R 3独立地是氢，低级烷基或环烷基，卤素，芳基，芳烷基，芳基醚或基团-SO 2 Cl，-SO 2 - 芳基，或其中相邻基团R 1和R 2连接形成任选被磺酰氯基团取代的脂环族，芳族或杂芳族环，其中芳族其中R1，R2和R3具有上述含义的式（II）化合物最初与氯磺酸反应，然后在催化剂存在下使反应产物与光气反应。

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