公开(公告)号：US5571913A

公开(公告)日：1996-11-05

申请号：US293098

申请日：1994-08-19

Applicant: Petrus J. H. Thomissen

Inventor： Petrus J. H. Thomissen

IPC: C07D201/04 ,  C07D201/02

CPC classification number: C07D201/04

Abstract: The invention relates to a process for preparing a lactam from an alicyclic ketoxime in the presence of a lactim-O-sulphonic acid and a solvent, the reaction being carried out in the presence of an acid cation exchanger. The invention relates in particular to a process in which the alicyclic ketoxime is represented by the following general formula: ##STR1## where R is a linear or branched alkylidene group containing from 3 to 20 carbon atoms.

Abstract translation: 本发明涉及一种在乳酰胺-O-磺酸和溶剂存在下由脂环族酮肟制备内酰胺的方法，该反应在酸性阳离子交换剂的存在下进行。 本发明特别涉及其中脂环酮肟由以下通式表示的方法：含有3至20个碳原子的亚烷基。

公开(公告)号：US5502184A

公开(公告)日：1996-03-26

申请号：US293169

申请日：1994-08-19

Applicant: Hiroshi Kajikuri ,  Hideto Tojima ,  Tomokazu Nakamura ,  Masaru Kitamura

Inventor： Hiroshi Kajikuri ,  Hideto Tojima ,  Tomokazu Nakamura ,  Masaru Kitamura

IPC: C07D201/16 ,  C07D201/04

CPC classification number: C07D201/16

Abstract: The invention provides a process for producing high quality .epsilon.-caprolactam which comprises allowing crude .epsilon.-caprolactam obtained by gas phase Beckmann rearrangement of cyclohexanone oxime to contact with hydrogen at 100.degree.-200.degree. C. in the presence of a hydrogenation catalyst.

Abstract translation: 本发明提供了一种制备高品质ε-己内酰胺的方法，其包括使得在环己酮肟气相贝克曼重排获得的粗ε-己内酰胺在氢化催化剂存在下，在100-200℃下与氢接触。

公开(公告)号：US5403801A

公开(公告)日：1995-04-04

申请号：US10791

申请日：1993-01-29

Applicant: Masaru Kitamura ,  Hiroshi Ichihashi ,  Hideto Tojima

Inventor： Masaru Kitamura ,  Hiroshi Ichihashi ,  Hideto Tojima

IPC: B01J29/035 ,  B01J29/86 ,  B01J29/87 ,  B01J29/88 ,  B01J29/90 ,  B01J38/12 ,  B01J38/66 ,  C07D201/04 ,  B01J37/00 ,  B01J29/28

CPC classification number: B01J29/90 ,  B01J29/035 ,  B01J29/86 ,  B01J29/87 ,  B01J29/88 ,  B01J38/12 ,  B01J38/66 ,  C07D201/04 ,  Y02P20/52 ,  Y02P20/584

Abstract: In the production of .epsilon.-caprolactam from cyclohexanon oxime in gaseous phase in the presence of solid catalysts, the catalysts, no matter whether they may have worked, are brought into contact with either aqueous solution of ammonium salts and at least one basic material or ammonia water.

Abstract translation: 在固体催化剂存在下，在气相中从环己酮肟制备ε-己内酰胺时，催化剂无论是否可能已经起作用，都与铵盐水溶液和至少一种碱性物质或氨 水。

公开(公告)号：US5071802A

公开(公告)日：1991-12-10

申请号：US489952

申请日：1990-03-07

Applicant: Shinkichi Shimizu ,  Takayasu Niwa ,  Nobuyuki Abe ,  Masanori Doba ,  Akira Iguchi ,  Hiroshi Ichihashi ,  Masaru Kitamura

Inventor： Shinkichi Shimizu ,  Takayasu Niwa ,  Nobuyuki Abe ,  Masanori Doba ,  Akira Iguchi ,  Hiroshi Ichihashi ,  Masaru Kitamura

IPC: B01J23/90 ,  B01J29/90 ,  B01J38/52 ,  C07D201/04 ,  C07D213/10

CPC classification number: C07D213/10 ,  B01J23/90 ,  B01J29/90 ,  B01J38/52 ,  C07D201/04 ,  Y02P20/584

Abstract: Carbonaceous materials deposited on solid catalysts and produced, for example, in Beckmann rearrangement in a gaseous phase are burned off by effecting the treatment in the presence of alcohols such as methanol or ethanol together with molecular oxygen-containing gas in order to regenerate the catalyst activity.

公开(公告)号：US4873325A

公开(公告)日：1989-10-10

申请号：US878215

申请日：1986-06-25

Applicant: Kurt D. Olson

Inventor： Kurt D. Olson

IPC: B01J29/04 ,  B01J29/84 ,  B01J29/85 ,  B01J29/86 ,  C07B31/00 ,  C07B43/06 ,  C07C67/00 ,  C07D201/04

CPC classification number: C07D201/04 ,  B01J29/84 ,  B01J29/86

Abstract: Oximes can be converted to the corresponding amides by contacting the oximes with a non-zeolitic molecular sieve, which has in its calcined form an adsorption of isobutane of at least about 2 percent by weight of the non-zeolitic molecular sieve at a partial pressure of 500 torr and a temperature of 20.degree. C. The process is especially useful for the conversion of cyclohexanone oxime to caprolactam. The non-zeolitic molecular sieves can achieve improved conversion rates and selectivities as compared with conventional zeolite catalysts for the reaction.

Abstract translation: 肟可以通过使肟与非沸石分子筛接触而转化为相应的酰胺，该非沸石分子筛在其煅烧形式下吸附至少约2重量％的非沸石分子筛的异丁烷，分压 500托，温度为20℃。该方法特别适用于将环己酮肟转化为己内酰胺。 与用于反应的常规沸石催化剂相比，非沸石分子筛可以实现改进的转化率和选择性。

公开(公告)号：US4804754A

公开(公告)日：1989-02-14

申请号：US130949

申请日：1987-12-10

Applicant: Emile De Decker ,  Jozef Oostvogels ,  Gerard van Wauwe ,  Gerald Neubauer

Inventor： Emile De Decker ,  Jozef Oostvogels ,  Gerard van Wauwe ,  Gerald Neubauer

IPC: C07D201/04 ,  C07D201/16

CPC classification number: C07D201/04

Abstract: Caprolactam is prepared in a process comprising(a) a Beckmann rearrangement of cyclohexanone oxime with oleum at from 70.degree. to 130.degree. C. in one or more rearrangement stages, and(b) aftertreatment of the reaction mixture obtained from the rearrangement stage in a delay zone at from 70.degree. to 110.degree. C. for from 10 to 600 minutes.

Abstract translation: 在一个方法中制备己内酰胺，该方法包括（a）在一个或多个重排阶段中，环己酮肟与发烟硫酸在发酵油中的贝克曼重排在70〜130℃，（b）后处理从重排阶段获得的反应混合物 延迟区为70〜110℃，时间为10〜600分钟。

公开(公告)号：US4248782A

公开(公告)日：1981-02-03

申请号：US78031

申请日：1979-09-24

Applicant: Hugo Fuchs ,  Uwe Brand ,  Peter Horn

Inventor： Hugo Fuchs ,  Uwe Brand ,  Peter Horn

IPC: C07D201/04

CPC classification number: C07D201/04 ,  Y02P20/52

Abstract: In a process for the preparation of .epsilon.-caprolactam by catalytic rearrangement of cyclohexanone-oxime in the gas phase at from 230.degree. to 450.degree. C. over a supported catalyst, containing boron trioxide, in a fluidized bed, wherein the catalyst is removed from the fluidized bed at the rate at which it becomes spent and is treated, in a fluidized state, with gases containing molecular oxygen at from 600.degree. to 900.degree. C., after which boron trioxide or boric acid is added to the fluidized catalyst, at from 300.degree. to 900.degree. C., before the catalyst is returned to the fluidized bed, the improvement that boron trioxide or boric acid of particle size from 0.05 to 1.5 mm is fed to the fluidized catalyst at one or more points.

Abstract translation: 在通过在230℃至450℃的气相中催化重排环己酮 - 肟在含有三氧化硼的载体催化剂的流化床中制备ε-己内酰胺的方法，其中将催化剂从 流化床以其流失的速率以流化状态处理含有分子氧的气体在600-900℃，之后将三氧化硼或硼酸加入到流化催化剂中，在 在催化剂返回到流化床之前，从300℃升至900℃，改善将粒径为0.05-1.5mm的三氧化硼或硼酸以一个或多个点进料到流化催化剂中。

公开(公告)号：US4211700A

公开(公告)日：1980-07-08

申请号：US12495

申请日：1979-02-15

Applicant: Jean-Claude Michel ,  Philippe Potin

Inventor： Jean-Claude Michel ,  Philippe Potin

IPC: C07D201/10 ,  C07D201/04

CPC classification number: C07D201/04

Abstract: The invention relates to a process for the preparation of lactames according to the so-called "Beckmann rearrangement" which consists in isomerizing oximes in a sulfuric solution, the weight ratio percentage of sulfuric acid to the combined amount of sulfuric acid and water being raised to a value above that of the sulfuric solution feed.

Abstract translation: 本发明涉及一种根据所谓的“贝克曼重排”制备内酰胺的方法，该方法包括在硫酸溶液中异构化肟，硫酸与硫酸和水的混合量的比例百分比提高至 值高于硫酸溶液进料的值。

公开(公告)号：US4165328A

公开(公告)日：1979-08-21

申请号：US901089

申请日：1978-04-28

Applicant: Kenji Nishimura ,  Haruhiko Miyazaki ,  Kenji Kuniyasu ,  Satoru Ono

Inventor： Kenji Nishimura ,  Haruhiko Miyazaki ,  Kenji Kuniyasu ,  Satoru Ono

IPC: C07C45/00 ,  C07C45/78 ,  C07C45/80 ,  C07C45/82 ,  C07C49/403 ,  C07D201/02 ,  C07D201/04 ,  C07D201/16 ,  C07C121/407

CPC classification number: C07C255/00 ,  C07C45/783 ,  C07C45/80 ,  C07C45/82 ,  C07D201/16

Abstract: Disclosed is a process for separating 11-cyanoundecanoic acid, cyclohexanone and .epsilon.-caprolactam from a pyrolysis product obtained by pyrolyzing 1,1'-peroxydicyclohexylamine in the presence of steam at a temperature of 300.degree. to 1,000.degree. C. The pyrolysis product is first contacted with a mixture comprised of aqueous ammonia and at least one organic solvent selected from benzene, toluene and xylene, and the so prepared liquid is separated into the oily layer and the aqueous layer. On one hand, the oily layer is distilled to separate cyclohexanone therefrom. On the other hand, the aqueous layer is acidified to a pH of below 4.0 by adding thereto a mineral acid and maintained at a temperature of 40.degree. to 100.degree. C. to separate crude 11-cyanoundecanoic acid in molten form from the aqueous layer, and then, the separated crude molten 11-cyanoundecanoic acid is washed with hot water to extract .epsilon.-caprolactam therefrom.

Abstract translation: 公开了一种通过在300℃至1000℃的温度下在1,1'-二氧化二环己基胺蒸气存在下热解得到的热解产物中分离出11-氰基十一烷酸，环己酮和ε-己内酰胺的方法。热解产物是先 与由氨水和选自苯，甲苯和二甲苯中的至少一种有机溶剂组成的混合物接触，将如此制备的液体分离成油层和水层。 一方面，将油层蒸馏以分离出环己酮。 另一方面，通过向其中加入无机酸将水层酸化至pH值低于4.0，并保持在40℃至100℃的温度下，将熔融形式的粗的11-氰基十一烷酸与水层分离， 然后，将分离的粗熔融的11-氰基十一烷酸用热水洗涤以从其中提取ε-己内酰胺。

公开(公告)号：US4141896A

公开(公告)日：1979-02-27

申请号：US832008

申请日：1977-09-09

Applicant: Otto Immel ,  Andre DE Jager ,  Bernd-Ulrich Kaiser ,  Hans-Helmut Schwarz ,  Klaus Starke

Inventor： Otto Immel ,  Andre DE Jager ,  Bernd-Ulrich Kaiser ,  Hans-Helmut Schwarz ,  Klaus Starke

IPC: C07D201/02 ,  C07D201/04

CPC classification number: C07D201/04

Abstract: A process for the production of .epsilon.-caprolactum from cyclohexanone oxime by rearrangement in the gaseous phase on a fluid-bed catalyst containing boron oxide, wherein residues from the distillation of cyclohexanone oxime are introduced into the reaction in liquid form, and wherein from 5 to 500 times their quantity of cyclohexanone oxime in vapor form and at least 50 times their quantity of inert gas are present during the reaction.

Abstract translation: 一种通过在含有氧化硼的流化床催化剂上在气相中重新排列从环己酮肟生产ε-己内酰胺的方法，其中将来自环己酮肟蒸馏的残余物以液体形式引入反应中，其中从5至 蒸气形式的环己酮肟的量为其500倍，并且在反应期间存在至少50倍量的惰性气体。