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WO/2016/100023A1 |
A catalytic composition useful for the conversion of an olefin selected from the group consisting of propylene, isobutylene or mixtures thereof, to acrylonitrile, methacrylonitrile, and mixtures thereof. The catalytic composition compris...
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WO/2016/095879A1 |
A process for producing (S)-2-(((S)-1-(4-bromophenyl)-2,2,2-trifluoroethyl)amino)-N-
(1-cyanocyclopropyl)-4-fluoro-4-methylpentanamide of formula 1 by reaction of the acid or its salts of formula 3 with the compound of formula 4, the re...
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WO/2016/093175A1 |
According to the present invention, various tri(hetero)arylacetonitrile compounds are synthesized by reacting, in the presence of a palladium catalyst, a di(hetero)arylacetonitrile compound represented by the formula: CHAr1Ar2CN (Ar1 and...
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WO/2016/082798A1 |
Disclosed are an α-cyan-4-hydroxycinnamic acid derivative having aldose reductase (AR) inhibitory activity and a preparation method and use thereof, the compound having a structure as represented by formula I, and the preparation method...
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WO/2016/081230A1 |
Disclosed are nickel-containing complexation precursors having high complexation activity for bidentate phosphite ligands. Also disclosed are methods of making the complexation precursors. The disclosed method of generating the nickel-co...
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WO/2016/075605A1 |
The present invention provides a process for the preparation of crystalline anhydrous compound of Formula (X), Further, the present invention relates to the use of compound of Formula (X) preparation of Raltegravir (I) or its pharmaceuti...
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WO/2016/074225A1 |
Provided is a method for resolution of formula 4-[4-dimethylamino-1-(4-fluorophenyl)-1-hydroxylbutyl]-3-hyd
roxymethyl cyanophenyl as an enantiomer thereof, comprising the following steps: crystallizing, in a resolving solvent, a salt fo...
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WO/2016/068068A1 |
Disclosed is a method for producing acetonitrile, the method comprising: a gas-phase reaction step for obtaining hydrous crude acetonitrile by subjecting acetic acid and ammonia to a gas-phase reaction in the presence of a solid acid cat...
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WO/2016/065930A1 |
Novel crystal forms of (R) - (+) -verapamil hydrochloride are disclosed.
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WO/2016/068061A1 |
Disclosed is a method for producing acetonitrile, the method comprising a gas-phase reaction step for obtaining hydrous crude acetonitrile by subjecting acetic acid and ammonia to a gas-phase reaction in the presence of a zeolite catalys...
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WO/2016/068062A1 |
A method for producing acetonitrile by performing a gas-phase reaction step for obtaining water-containing crude acetonitrile by subjecting acetic acid and ammonia to a gas-phase reaction while in the presence of a catalyst containing a ...
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WO/2016/058504A1 |
An aromatic amine derivative as shown in the general formula I and a synthesis method and use thereof and an organic electroluminescent device. The compound has a symmetrical structure, is easy to synthesize, has a relatively high molecu...
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WO/2016/053559A1 |
A process and system for removing heavy organic impurities from a process stream includes providing a process stream having water and about 0.5 to about 1.5 weight percent heavy organic impurities. The process includes separating water f...
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WO/2016/042045A1 |
The present invention relates to a method for synthesising an amino ester or mixture of amino esters of formula (I) R1-O-C(O)-(CH2)n-NH2 (I) where n is an integer between 10 and 15, comprising at least the steps consisting of: (iii) subj...
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WO/2016/041930A1 |
A method is described for continuous production of adiponitrile by hydrocyanation of 3-pentenenitrile in which a) 3-pentenenitrile is hydrocyanized to yield a reaction discharge which contains adiponitrile, b) in a work-up 1 of the react...
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WO/2016/020603A1 |
Process for producing a calix-[z]-arene in which: - a calix-[z]-arene in which R1=R2=R3=R4=X1=X2=X3=X4=H is supplied, - step (a): - this calix-[z]-arene is treated with an alkylating agent transmitting the R4 residue, so as to obtain a r...
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WO/2016/001110A1 |
The present invention relates to a process for producing 2-propionylalkanonitriles of the formula (I) wherein R is C4-C16-alkyl, in particular C6-C10-alkyl, especially n-octyl. The present invention relates in particular to the productio...
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WO/2015/200597A1 |
Disclosed herein are methods for recovering phosphorus-containing ligand from mixtures comprising organic mononitriles and organic dinitriles, using liquid-liquid extraction. Also disclosed are treatments to enhance extractability of the...
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WO/2015/200630A1 |
Phosphorus-containing ligands are recovered from mixtures comprising 3-pentenenitrile (3PN) and adiponitrile (ADN), using liquid-liquid extraction. ADN is produced by hydrocyanation of 3PN. The ADN is hydrogenated to produce a hexamethyi...
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WO/2015/200022A1 |
A process and system are provided for controlling an amount of ammonia and/or air provided to an ammoxidation reactor. The process includes maintaining a pH of a quench water bottoms and adjusting an amount of ammonia in a reactor feed t...
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WO/2015/191528A1 |
A method is provided comprising adding acid to a reflux stream, and conveying the reflux stream to an acetonitrile fractionator, wherein the acid reduces fouling in the acetonitrile fractionator.
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WO/2015/191420A1 |
A process is provided for maintaining storage of a crude acrylonitrile in a crude tank. The process includes conveying the crude acrylonitrile to the crude tank, adding acid to the crude acrylonitrile in the crude tank in an amount effec...
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WO/2015/184798A1 |
Disclosed is an N-substituted phenyl glycine (dabigatran etexilate intermediate) preparation method unreported in any document, the method comprising: utilizing cheap and easily available substituted aniline (1) as raw material to conden...
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WO/2015/180583A1 |
Substituted acetohydrazide derivatives represented by formula I, or pharmaceutically acceptable salts thereof. The compounds and pharmaceutically acceptable salts of formula I effectively inhibit prolyl hydroxylase, and have stable hypox...
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WO/2015/183646A1 |
An inlet nozzle comprises an elongated cylinder. The elongated cylinder includes a polymer extending between first end and second ends of the elongated cylinder. The first end defines an inlet opening and a second end defines an outlet o...
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WO/2015/183283A1 |
A catalytic composition useful for the conversion of an olefin selected from the group consisting of propylene, isobutylene or mixtures thereof, to acrylonitrile, methacrylonitrile, and mixtures thereof. The catalytic composition compris...
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WO/2015/183641A1 |
A process comprises recovering heat from reactor effluent, the reactor effluent comprising acrylonitrile or methacrylonitrile from an ammoxidation reactor. The recovering comprises heat exchange with feed water in an effluent cooler, whe...
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WO/2015/183284A1 |
A catalytic composition useful for the conversion of an olefin selected from the group consisting of propylene, isobutylene or mixtures thereof, to acrylonitrile, methacrylonitrile, and mixtures thereof. The catalytic composition compris...
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WO/2015/183866A1 |
An apparatus comprises a column comprising a top, middle and bottom sections. The middle section is configured to receive a first stream comprising acrylonitrile, HCN, acetonitrile, and water. The column is configured to distill the firs...
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WO/2015/177344A1 |
The present invention concerns a method for producing alkoxybenzonitriles, in which halogenated benzonitriles are reacted with alcohols in the presence of sodium methylsulfinylmethide.
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WO/2015/172713A1 |
The present invention relates to the field of pharmaceutical technology. Disclosed is an intermediate preparation method. The intermediate is used to prepare Ibrutinib. The preparation method comprises enabling a halogenated compound to ...
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WO/2015/163260A1 |
This fluid bed reactor prevents catalyst accumulation in a recessed portion of the inner wall of the reactor and prevents device deterioration and adverse effects on reactions. Further, the fluid bed reactor prevents rapid generation of ...
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WO/2015/153193A1 |
Replacement of different sections of the feed sparger used in a commercial ammoxidation reactor is facilitated by using gas-tight quick-disconnect fittings to attach various sections of the sparger to one another as well as to the wall o...
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WO/2015/153188A1 |
Inadequate reactant mixing as well as localized reactor hot spots in a commercial acrylonitrile reactor can be significantly reduced if the distance between sparger system 16 and air grid 14 is controlled to be within 6 to 24 inches (~15...
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WO/2015/153273A1 |
An apparatus comprises a quench vessel configured to provide a quenched gas stream, and a mist eliminator configured to receive the quenched gas stream. The mist eliminator comprises a mist eliminator surface, the mist eliminator surface...
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WO/2015/153192A1 |
Replacement of different sections of the feed sparger used in a commercial ammoxidation reactor is facilitated by using gas-tight quick-disconnect fittings to attach various sections of the sparger to one another as well as to the wall o...
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WO/2015/151726A1 |
A method for producing an oxide catalyst that is used for the production of an unsaturated nitrile, which comprises: a step (a) for preparing an aqueous liquid mixture (A) containing Mo, V and Sb; a step (b) for obtaining an aqueous liqu...
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WO/2015/150882A1 |
Process for preparing 1,1-disubstituted ethylene monomers The present invention relates to a process for preparing 1,1-disubstituted ethylene monomers having general formula (I) from a compound of general formula (II) and an active methy...
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WO/2015/153190A1 |
A multi-level spray system is provided for quenching of reactor effluent gas comprising acrylonitrile and ammonia. The system comprises at least first and second spray bars, each bar extending substantially across a diameter of a quench ...
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WO/2015/153196A1 |
Replacement of different sections of the feed sparger used in a commercial ammoxidation reactor is facilitated by using gas-tight quick-disconnect fittings to attach various sections of the sparger to one another as well as to the wall o...
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WO/2015/142718A1 |
An apparatus comprises a heads column and an overhead system. The heads column is configured to receive a crude nitriles feed stream. The heads column is configured to distill the crude nitriles feed stream under a partial vacuum and pro...
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WO/2015/142775A1 |
An apparatus comprises a heads column, the heads column configured to receive a crude nitriles feed stream and to distill the crude nitriles feed stream and produce a heads column overhead stream comprising HCN at the top of the heads co...
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WO/2015/137925A1 |
Formation of explosive mixtures during start up of an acrylonitrile reactor is prevented by including ammonia in the gases charged into the reactor during catalyst preheating. In addition to generating heat, oxidation of this ammonia red...
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WO/2015/137926A1 |
Formation of explosive mixtures during start up of an acrylonitrile reactor is prevented by including ammonia in the gases charged into the reactor during catalyst preheating. In addition to generating heat, oxidation of this ammonia red...
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WO/2015/135971A1 |
The invention relates to a method for the distillative purification of ethylenediamine (EDA), having the steps a) and b). In step a) a mixture (G1) containing water, EDA, and N-methyl ethylenediamine (N-MeEDA) is supplied into a distilla...
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WO/2015/137267A1 |
The purpose of the present invention is to produce dicyanobenzene in an industrially and economically advantageous manner while preventing deterioration and loss of dicyanobenzene, when producing dicyanobenzene by ammoxidation of xylene....
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WO/2015/133510A1 |
This oxide-catalyst production method is provided with: a step (a) in which an aqueous mixed solution (A) including Mo, V, and Sb is obtained; a step (b) in which an Nb starting material, water, and an organic acid are mixed to obtain an...
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WO/2015/134718A1 |
A method is provided comprising the steps of feeding a feed stream to a product column, the product column comprising upper, middle, and bottom portions. The middle portion comprises a series of distillation trays. The method comprises d...
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WO/2015/126713A1 |
Methods and systems for purifying an acetonitrile waste stream and methods for synthesizing an oligonucleotide using a purified acetonitrile waste stream are provided. An exemplary method for purifying an acetonitrile waste stream includ...
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WO/2015/117933A1 |
The present invention relates to a method for purifying adipodinitrile (ADN), wherein crude ADN is fed into a rectification device (R1). The rectification device (R1) comprises a first and preferably also a second side draw, wherein the ...
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