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JP5979255B2 |
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JP5900553B2 |
The present invention discloses 3-pyridyl-1-hydroxyethylidene-1,1-bisphosphonic acid sodium hemipentahydrate and monohydrate, methods of preparing the hemipentahydrate or monohydrate through control of the nucleation temperature and rate...
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JP2016040282A |
To provide methods for production of cyclopropyl ring-fused pyrrolidine compounds of dipeptidyl peptidase IV inhibitors.The present invention provides a method for production of a free base compound represented by formula M'.SELECTED DRA...
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JP5875843B2 |
The present invention provides a method for producing a zeolite molded article having an excellent mechanical strength. The method for producing a zeolite molded article according to the present invention comprises the following steps (1...
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JP2016028083A |
To provide a method of preparing 3-pyridyl-1-hydroxyethylidene-1,1-bisphosphonic acid (risedronate) sodium hemipentahydrate or monohydrate.A process for producing a hydrate comprises the steps of: (a) providing an aqueous solution of 3-p...
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JP5859930B2 |
The present invention discloses 3-pyridyl-1-hydroxyethylidene-1,1-bisphosphonic acid sodium hemipentahydrate and monohydrate, methods of preparing the hemipentahydrate or monohydrate through control of the nucleation temperature and rate...
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JP5860007B2 |
Methods and compounds for production of cycloproyl-fused pyrrolidine-based inhibitors of dipeptidyl peptidase IV are provided.
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JP2016504419A |
The present invention relates to the process of producing 5-formylvaleric acid and adipic acid or an ester thereof from an isomer mixture of pentenic acid or an ester thereof, said mixture comprising at least 4-pentenoic acid or an ester...
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JP5847838B2 |
Provided by the present invention is a method for efficient oxidation of alcohols by using, as a catalyst for dehydrogenation oxidation, a ruthenium complex which can be easily produced and easily handled and is obtainable at a relativel...
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JP5826634B2 |
The present invention relates to bacterial strains, capable of utilizing glycerol as a carbon source for the fermentative production of succinic acid, wherein said strains are genetically modified so that they comprise a deregulation of ...
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JP5821623B2 |
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JP2015180635A |
To provide a method for producing caprolactam from ingredients obtained by a biochemical process.A method for preparing caprolactam comprises recovering a mixture containing 6-aminocaproic acid, from a culture medium comprising biomass, ...
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JP2015174848A |
To provide a lactam purification method which efficiently reduces microgel in anhydrous lactam in which the microgel generates due to storage abnormality of hydrous lactam, supervisory oversight of an operation condition in dehydration d...
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JP2015172025A |
To obtain optic active compounds efficiently by incorporating, into a multi-stage flow synthesis system, a column provided with a solid-phase synthesis device necessary for synthesizing optic active compounds to become pharmaceuticals or...
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JP5777067B2 |
The invention relates to a method for preparing caprolactam comprising recovering a mixture containing 6-aminocaproic acid, from a culture medium comprising biomass, and thereafter cyclising the 6-aminocaproic acid in the presence of sup...
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JP5765883B2 |
Preparation of an amide comprises heating ketoxime in the presence of cyanurchloride, where the reaction is carried out in an nonpolar organic solvent with a logP value of 2-14 and the solvent does not exclusively contain toluene, when t...
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JP2015110620A |
To provide a method for producing an amide utilizing the Beckmann rearrangement, in which there is no need to use a polar solvent despite the use of cyanuric chloride as a catalyst.When corresponding amides are produced by heating ketoxi...
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JP5730341B2 |
Methods and compounds for production of cycloproyl-fused pyrrolidine-based inhibitors of dipeptidyl peptidase IV are provided.
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JP5708637B2 |
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JP5697635B2 |
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JP5645619B2 |
Processing a laurolactam containing process stream for the recovery of all included components, comprises cooling the process stream originated from the synthesis, which contains laurolactam and other components, and exceeding the solubi...
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JP5640985B2 |
The present invention provides novel cyclododecanone-O-azacyclotridecen-2-yloxime and cyclododecanone-O-azacyclotridecen-2-yloxime hydrochloride. The invention also provides a process for producing an amide compound wherein cyclododecano...
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JP5597689B2 |
A compound comprising a substituent of the formula (II) is disclosed as an HIV protease inhibitor. Intermediates for making such compounds and processes for making such intermediates are also disclosed.
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JP5593095B2 |
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JP5585445B2 |
The present invention relates to a process for producing laurolactam from cyclododecanone oxime by liquid-phase rearrangement reaction using trichlorotriazine as a rearrangement catalyst. The present invention can provide a process which...
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JP5580075B2 |
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JP5574327B2 |
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JP5572839B2 |
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JP5511582B2 |
Methods and compounds for production of cycloproyl-fused pyrrolidine-based inhibitors of dipeptidyl peptidase IV are provided.
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JP5467725B2 |
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JP5462488B2 |
Disclosed is a method for producing laurolactam from cyclododecanone and hydroxylamine in a simple process and with high efficiency. The method comprises the following steps (a) to (e): (a) reacting cyclododecanone with hydroxylamine in ...
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JP5447502B2 |
This invention relates to a process for producing an amide compound by Beckmann rearrangement of an oxime compound using a compound having at least two electron-withdrawing leaving groups as a rearrangement catalyst, the process comprisi...
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JP5446872B2 |
PROCESS FOR PRODUCING LAUROLACTAM Provided is a process for efficiently producing laurolactam by simple steps from cyclododecanone and hydroxylamine. This production process comprises the steps of: (a) reacting cyclododecanone with hydro...
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JP5408127B2 |
The present invention relates to a process for producing an amide or lactam, particularly laurolactam, wherein catalytic amounts of an acidic chloride and a Lewis acid are used in Beckmann rearrangement of an oxime compound. In accordanc...
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JP5410996B2 |
Catalytic processes for preparing caprolactam, pipecolinic acid, and their derivatives, from lysine or alpha-amino-epsilon-caprolactam starting materials, and products produced thereby. A process for preparing caprolactam or a derivative...
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JP5405343B2 |
The present invention discloses 3-pyridyl-1-hydroxyethylidene-1,1-bisphosphonic acid sodium hemipentahydrate and monohydrate, methods of preparing the hemipentahydrate or monohydrate through control of the nucleation temperature and rate...
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JP5399383B2 |
A redox ammoximation process in which a ketone or aldehyde is reacted with ammonia and oxygen in the presence of a catalyst; wherein the catalyst is an aluminophosphate based redox catalyst having at least two different redox catalytic s...
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JP5384104B2 |
Preparation of lauryl lactam by a Beckmann rearrangement of cyclododecanone oxime in gaseous phase at 180-450[deg]C in the presence of a zeolite (catalyst).
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JP5369653B2 |
To provide an industrial method for producing an amide or a lactam by subjecting an oxime compound to Beckmann rearrangement. The method for producing the amide or the lactam includes adding a nitrile compound in a specific proportion to...
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JP5345120B2 |
The present invention provides a method for separating an amide from an amino acid ionic liquid. The method includes the step of providing a polar solvent and an extracting agent to the amino acid ionic liquid, so as to separate the amid...
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JP5345986B2 |
Methods and compounds for production of cycloproyl-fused pyrrolidine-based inhibitors of dipeptidyl peptidase IV are provided.
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JP5340269B2 |
The invention relates to a method of contacting a cyclic oxime with a Brønsted acidic ionic liquid having a sulfur atom in the anionic portion and/or the cationic portion further comprising mechanical stirring, microwave irradiation and...
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JP5334348B2 |
The invention describes a process for the isolation of pure N-vinylpyrrolidone from N-vinylpyrrolidone-containing crude products, comprising a single-stage or multistage crystallization process, which comprises passing the mother liquor ...
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JP5302672B2 |
Lactams, in particular epsilon-caprolactam, are produced by the hydrolytic cyclization of aminonitriles, in particular 6-aminocapronitrile, in the vapor phase in a plurality of adiabatic fixed bed reaction zones arranged in succession wh...
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JP2013194012A |
To provide a method of producing lactam compounds and/or amide compounds in good yield.A lactone compound and ammonia or an amine compound are reacted with each other in the presence of a zeolite of an atomic ratio of silicon to aluminum...
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JP2013533246A |
The invention relates to a method for preparing a lactam in a continuous process, comprising forming the lactam and ammonium sulphate by contacting a lactam sulphate contained in an acidic liquid with ammonia, during which forming of lac...
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JP2013151487A |
To provide high-quality ε-caprolactam by efficiently refining crude ε-caprolactam obtained by the Beckmann rearrangement of cyclohexanon oxime.A method for producing high-quality ε-caprolactam includes: a step of crystallizing ε-capr...
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JP2013531657A |
A process for making a hydrogenated product comprising caprolactone (CLO) and 1,6-hexanediol (HDO) and derivatives thereof from adipic acid (AA) obtained from fermentation broths containing diammonium adipate (DAA) or monoammonium adipat...
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JP5249033B2 |
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JP2013141659A |
To provide a reaction apparatus which can inhibit rapid oxidation or combustion reaction caused by mixing a reaction gas present in a reactor with a regeneration gas present in a regenerator.The reaction apparatus includes: a fluidized b...
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