| Document |
Document Title |
|
JP4687692B2 |
|
|
JP4681705B2 |
|
|
JP2011088883A |
To provide a method for producing an amide or a lactam by which the amide or the lactam can be formed in high conversion and high yield without forming a large amount of byproducts such as ammonium sulfate in the method for producing the...
|
|
JP4661071B2 |
The invention provides a method for producing ε-caprolactam comprising: a reaction process which subjects cyclohexanone oxime to a Beckmann rearrangement reaction in the presence of a solid catalyst; and a catalyst regeneration process ...
|
|
JP4639781B2 |
|
|
JP2011016765A |
To efficiently separate a sulfur component from an organic solution containing the sulfur component and especially in a production of lactam by subjecting a cycloalkanone oxime to a Beckmann rearrangement using a sulfur compound such as ...
|
|
JP4578599B2 |
The present invention relates to a process for the preparation of catalysts suitable for the transposition reaction of oximes to amides. The process consists in englobing submicronic particles of MFI-type zeolites in a siliceous ligand s...
|
|
JP2010229042A |
To provide a method for producing laurolactam by which the laurolactam is formed in high conversion and high yield without causing precipitation of a catalyst, a catalyst decomposition product or the like in the method for producing the ...
|
|
JP2010222272A |
To provide a method for producing laurolactam from cyclododecanone oxime by a Beckmann rearrangement reaction using a catalyst in a nonpolar solvent, where deposition of the catalyst, a catalyst decomposition product or the like is not c...
|
|
JP4547494B2 |
To provide a method for producing ε-caprolactam by using CDS-1. The method for producing ε-caprolactam is characterized by using a novel zeolite (Cylindrical Double Saw-Edged Zeolite-1, hereinafter referred to as CDS-1) which is obtain...
|
|
JP4530535B2 |
The present invention relates to a group of novel 2-aminoquinoline derivatives which are potent and selective agonists of the dopamine D4-receptor. The compounds have general formula (I) wherein (R1)n represents 1 or 2 substituents, whic...
|
|
JP2010159261A |
To provide a method containing an extraction step enabling to apply a larger load without lowering extraction yield. The method for purifying an aqueous caprolactam mixture comprises benzene extraction step to extract caprolactam with a ...
|
|
JP2010523523A |
The invention related to a novel process, novel process steps and novel intermediates useful in the synthesis of pharmaceutically active compounds, especially renin inhibitors, such as Aliskiren, the invention relates to a process for th...
|
|
JP4496796B2 |
A method for producing epsilon -caprolactam and a method for reactivating a zeolite catalyst for producing epsilon -caprolactam are provided. In the reactivation step, a zeolite catalyst is allowed to contact a gas containing a carboxyli...
|
|
JP4479871B2 |
Cyclic lactams are prepared by reacting aminocarbonitriles with water in the liquid phase in a fixed bed reactor in the presence of a catalyst which comprises a catalytically active oxide, which has no soluble constituents under the reac...
|
|
JP4465731B2 |
To produce the subject inexpensive lactam excellent in activity and useful for nylon, or the like, according to a vapor-phase Beckmann rearrangement reaction by using a silicon oxide treated with a specific acidic aqueous solution. A sil...
|
|
JP4465151B2 |
Process for recovering caprolactam from a solution comprising caprolactam dissolved in an organic solvent, said process comprising:a) washing the solution with water or an aqueous alkaline solution, resulting in a washed solution compris...
|
|
JP4433795B2 |
A method for producing a lactam, which comprises subjecting an alicyclic primary amine to an oxidation reaction in the presence of a catalyst comprising a silicon oxide, to thereby obtain a lactam. A catalyst comprising a silicon oxide w...
|
|
JP4415580B2 |
|
|
JP4415576B2 |
|
|
JP2009298706A |
To provide a method for easily producing an amide or a lactam at a high yield by causing the rearrangement reaction of an oxime compound to proceed, without generating a large amount of byproducts such as ammonium sulfate.The method for ...
|
|
JP2009275005A |
To provide an industrially advantageous production method by which laurolactam can readily be produced in high yield in the production of the laurolactam by Beckmann rearrangement of cyclododecanone oxime.The method for producing the lau...
|
|
JP2009269908A |
To provide a production method of laurolactam by means of the Beckmann rearrangement reaction of cyclododecanone oxime, wherein an industrially advantageous production method of easily producing the laurolactam at a high yield is provide...
|
|
JP4368197B2 |
A continuous process is provided for recovering caprolactam from aqueous caprolactam product which includes (i) caprolactam, (ii) impurities, and (iii) water by (a) adding alkali hydroxide to the aqueous caprolactam product, in an amount...
|
|
JP2009249336A |
To provide a simple and commercailly advantageous method for producing laurolactam by conducting a Beckmann rearrangement reaction of cyclododecanonoxime.The method for producing laurolactam comprises conducting a Beckmann rearrangement ...
|
|
JP4351908B2 |
A continuous process is provided for recovering caprolactam from aqueous caprolactam product which includes (i) caprolactam, (ii) impurities, and (iii) water by (a) adding alkali hydroxide to the aqueous caprolactam product, in an amount...
|
|
JP2009242446A |
To provide a method for recycling a nylon 6 product from a nylon 6 product containing one or more flameproofing agents as impurities by a simple operation and by an industrially advantageous process, and to provide a method for recycling...
|
|
JP2009227960A |
To provide a method for recovering caprolactam in the chemical recycling of a nylon 6 product containing titanium oxide and a water-repellant attached by water repellent processing, wherein foaming of depolymerized materials is suppresse...
|
|
JP2009221142A |
To provide an industrially advantageous manufacturing method that realizes simple and high-yielding manufacture of laurolactam in the manufacture of laurolactam by a Beckmann rearrangement reaction of cyclododecanone oxime.The manufactur...
|
|
JP4326596B2 |
The invention relates to a process for the separation of a ketoxime or aldoxime from a ketoxime- or aldoxime-containing amide mixture in which the ketoxime or aldoxime is separated from the amide mixture by distillation. This has proved ...
|
|
JP4327457B2 |
A method of storing and transporting N-vinyl-epsi-caprolactam is provided wherein the N-vinyl-epsi-caprolactam is kept in the liquid phase.
|
|
JP4324667B2 |
|
|
JP4312461B2 |
In the production of µ-caprolactam by contacting cyclohexanone oxime with a solid acid catalyst in the gaseous phase to effect a rearrangement reaction of the cyclohexanone oxime, wherein the solid acid catalyst is produced by calcining...
|
|
JP2009173614A |
To provide a method for producing laurolactam which can be suitably used for eliminating much energy loss by the Beckmann rearrangement of cyclododecanone oxime using a small amount of catalyst.By using catalytic amounts of phosphorus pe...
|
|
JP2009167112A |
To provide a method for producing laurolactam solving a problem of a large amount of sulfonic acid loss or a large energy loss by producing the laurolactam with the Beckmann rearrangement of cyclododecanone oxime by using a catalytic amo...
|
|
JP2009167111A |
To provide a method for producing laurolactam solving a problem of a large amount of sulfonic acid loss or a large energy loss by producing the laurolactam with the Beckmann rearrangement of cyclododecanone oxime by using a catalytic amo...
|
|
JP4297115B2 |
|
|
JP4276406B2 |
To obtain an amide compound from a hydroxy-containing organic compound by one step. The method for producing the amide compound comprises causing intermolecular dehydration condensation between the hydroxy group of the hydroxy-containing...
|
|
JP4257988B2 |
|
|
JP4250887B2 |
|
|
JP4249257B2 |
PCT No. PCT/EP94/03782 Sec. 371 Date May 16, 1996 Sec. 102(e) Date May 16, 1996 PCT Filed Nov. 15, 1994 PCT Pub. No. WO95/14665 PCT Pub. Date Jun. 1, 1995Cyclic lactams are prepared by reacting amino carbonitriles with water in liquid ph...
|
|
JP4239225B2 |
|
|
JP4239339B2 |
|
|
JP4238348B2 |
|
|
JP4239288B2 |
|
|
JP4234928B2 |
A lactam of high purity is recovered by using three distillation columns. A lactam is purified by cyclizing hydrolysis of an aminonitrile which consists of the elimination of ammonia and possibly solvent. The lactam is then recovered by ...
|
|
JP4226084B2 |
|
|
JP4226083B2 |
|
|
JP4218277B2 |
|
|
JP4207574B2 |
Laurolactam having high quality is produced by reacting cyclododecanone with a hydroxylamine salt of a mineral acid, and converting the resultant cyclododecanoneoxime to laurolactam through the Beckmann rearrangement reaction, wherein a ...
|
