61 |
Process for the preparation of oxidized phospholipids |
US12861921 |
2010-08-24 |
US08124800B2 |
2012-02-28 |
Gideon Halperin; Eti Kovalevski-Ishai |
Novel synthetic routes, which are highly applicable for industrial preparation of therapeutically beneficial oxidized phospholipids are disclosed. Particularly, novel methods for efficiently preparing compounds having a glycerolic backbone and one or more oxidized moieties attached to the glycerolic backbone, which are devoid of column chromatography are disclosed. Further disclosed are novel methods of introducing phosphorous-containing moieties such as phosphate moieties to compounds having glycerolic backbone and intermediates formed thereby. |
62 |
Oxidation of Hydrocarbons |
US12678419 |
2008-10-08 |
US20100228047A1 |
2010-09-09 |
Francisco M. Benitez; Jihad M. Dakka; Edmund J. Mozeleski; Stephen Zushma; John Scott Buchanan; Jon E. Stanat |
In a process for oxidizing a hydrocarbon to the corresponding hydroperoxide, alcohol, ketone, carboxylic acid or dicarboxylic acid, a reaction medium comprising a hydrocarbon is contacted with an oxygen-containing gas in the presence of a catalyst comprising a cyclic imide of the general formula (I): wherein each of R1 and R2 is independently selected from hydrocarbyl and substituted hydrocarbyl radicals having 1 to 20 carbon atoms, or from the groups SO3H, NH2, OH and NO2, or from the atoms H, F, Cl, Br and I provided that R1 and R2 can be linked to one another via a covalent bond; each of Q1 and Q2 is independently selected from C, CH, N, and CR3; each of X and Z is independently selected from C, S, CH2, N, P and an element of Group 4 of the Periodic Table; Y is O or OH; k is 0, 1, or 2; l is 0, 1, or 2; m is 1 to 3; and R3 can be any of the entities listed for R1. The contacting is conducted under conditions such as to maintain the concentration of both water and organic acids in the reaction medium below 50 ppm. |
63 |
PROCESS FOR THE PREPARATIONS OF A MIXTURE OF ALCOHOLS AND KETONES |
US11527079 |
2006-09-25 |
US20070213565A1 |
2007-09-13 |
Deshpande Raj Madhukar; Rane Vilas Hari; Chaudhari Raghunath Vithal |
The present invention provides a process for the preparation of a mixture of alcohols and ketones by the liquid phase oxidation of isoalkanes to alkyl hydroperoxides with simultaneous transfer of oxygen to alkanes (C8-C20) in presence of oxides alkaline earth metals like magnesium, calcium, barium and strontium and oxides of rare earth metals such as lanthanum, cerium, samarium, neodymium and europium, at a temperature ranging between 110 °-160° C. and air pressure ranging between 10-1500 psig for a period of 0.5-20 h, cooling the reaction mixture to 5° C., separating the products by conventional methods such as distillation. The catalyst reused for several times without affecting its catalytic performance. |
64 |
Process for the preparation of oxidized phospholipids |
US11650973 |
2007-01-09 |
US20070112211A1 |
2007-05-17 |
Gideon Halperin; Eti Kovalevski-Ishai |
Novel synthetic routes, which are highly applicable for industrial preparation of therapeutically beneficial oxidized phospholipids are disclosed. Particularly, novel methods for efficiently preparing compounds having a glycerolic backbone and one or more oxidized moieties attached to the glycerolic backbone, which are devoid of column chromatography are disclosed. Further disclosed are novel methods of introducing phosphorous-containing moieties such as phosphate moieties to compounds having glycerolic backbone and intermediates formed thereby. |
65 |
Processes for producing oxide with higher oxidation than alcohol |
US10915600 |
2004-08-11 |
US07183421B2 |
2007-02-27 |
Hideo Tanaka; Yutaka Kameyama |
The present invention provides a process for producing an oxide from an alcohol compound, the process comprising the steps of causing silica gel to carry the alcohol compound thereon and an oxidative catalyst thereon, and oxidizing the alcohol compound in the presence of an oxidizing agent, giving an oxide higher in oxidizing degree than the alcohol compound, and also provides a process for producing an oxide from an alcohol compound, the process comprising the steps of causing silica gel to carry the alcohol compound, and subjecting the alcohol compound to an electrolytic oxidation, giving an oxide higher in oxidizing degree than the alcohol compound. |
66 |
Method for producing saturated alcohols, ketones, aldehydes and carboxylic acids |
US10482777 |
2002-06-12 |
US07145041B2 |
2006-12-05 |
Adolf Kuehnle; Carsten Jost; Roger Arthur Sheldon; Sandrine M. M. Chatel; Isabella W. C. E. Arends |
The invention relates to a method for catalytically oxidizing unsaturated hydrocarbons to form oxidation products, and to the production of saturated alcohols, ketones, aldehydes or carboxylic acids by subsequently hydrogenating the oxidation product. A compound of formula (I) is used as a catalyst during oxidizing in which: R1, R2=H, an aliphatic or aromatic alkoxy radical, carboxyl radical, alkoxycarbonyl radical or hydrocarbon radical, each having 1 to 20 carbon atoms, SO3H, NH2, OH, F, Cl, Br, I and/or NO2, whereby R1 and R2 signify identical or different radicals or R1 and R2 can be coupled to one another via a covalent bond, with Q1, Q2=the same or different, C, CH, N; X, Z=C, S or CH2; Y=O or OH; k=0, 1 or 2; 1=0, 1 or 2; m=1 to 100 in the presence of a radical initiator. Peroxy compounds or azo compounds can be used as radical initiators. Preferred substrates are cyclic aliphatic or aromatic compounds. |
67 |
Integrated process for selective oxidation of organic compounds |
US10453172 |
2003-06-03 |
US06822103B2 |
2004-11-23 |
Pilar De Frutos Escrig; Ana Padilla Polo; Jose Manuel Riesco Garcia; Jose Miguel Campos Martin; Gema Blanco Brieva; Encarnacion Cano Serrano; MaDel Carmen Capel Sanchez; Jose Luis Garcia Fierro |
Oxidized compounds are produced in a continuous integrated process in liquid phase, which comprises: Step I, synthesis of non acidic hydrogen peroxide solutions by direct reaction between hydrogen and oxygen by catalytic reaction utilizing a noble metal catalyst. Step II, this hydrogen peroxide solution is directly mixed with an organic substrate, a suitable catalyst and optionally a solvent. The integrated process requires no treatment step and is particularly well adapted to the production of propylene oxide. |
68 |
Process for photo-induced selective oxidation of organic chemicals to alcohols, ketones and aldehydes using flame deposited nano-structured photocatalyst |
US09906810 |
2001-07-18 |
US06777374B2 |
2004-08-17 |
Endalkachew Sahle-Demessie; Pratim Biswas; Michale A. Gonzalez; Zhong-Min Wang; Subhas K. Sikdar |
Organic molecules are partially oxidized in that the gas phase on supported and immobilized photocatalysts deposited having a nanostructure. the photocatalysts are semiconductors such as titanium dioxide and are preferentially coated onto a substrate by flame aerosol coating. |
69 |
Integrated process for selective oxidation of organic compounds |
US10453172 |
2003-06-03 |
US20040151658A1 |
2004-08-05 |
Pilar De
Frutos
Escrig; Ana
Padilla
Polo; Jose Manuel
Riesco
Garcia; Jose Miguel
Campos
Martin; Gema
Blanco
Brieva; Encarnacion
Cano
Serrano; Ma Del Carmen
Capel
Sanchez; Jose Luis
Garcia
Fierro |
Oxidized compounds are produced in a continuous integrated process in liquid phase, which comprises: Step I, synthesis of non acidic hydrogen peroxide solutions by direct reaction between hydrogen and oxygen by catalytic reaction utilizing a noble metal catalyst. Step II, this hydrogen peroxide solution is directly mixed with an organic substrate, a suitable catalyst and optionally a solvent. The integrated process requires no treatment step and is particularly well adapted to the production of propylene oxide. |
70 |
Method for oxidising hydrocarbons |
US10476533 |
2004-03-22 |
US20040147777A1 |
2004-07-29 |
Eric
Fache; Jean-Pierre
Simonato |
The present invention relates to a process for the oxidation of hydrocarbons, in particular of branched or unbranched saturated aliphatic hydrocarbons or of cycloaliphatic or alkylaromatic hydrocarbons, to alcohol, ketone and/or acid or polyacid compounds. It relates more particularly to the oxidation, by an oxidizing agent comprising molecular oxygen, of cyclohexane to cyclohexanonol, cyclohexanone and/or adipic acid. The oxidation is carried out in the presence of a catalytic system comprising a catalyst based on at least one metal compound and a cocatalyst comprising an imide functional group, such as N-bromosuccinimide, N-bromomaleimide, N-bromohexahydrophthalimide, N,Nnull-dibromocyclohexane-tetracarboximide, N-bromophthalimide, N-bromotrimellitimide or N,Nnull-dibromopyromellitimide. |
71 |
Production of oxygenated products |
US10358998 |
2003-02-05 |
US06717018B2 |
2004-04-06 |
Jan Petrus Steynberg; Khedaren Govender; Petrus Johannes Steynberg |
A process for producing oxygenated products from an olefinic feedstock, which process includes reacting, in a hydroformylation reaction stage, an olefin feedstock with carbon monoxide and hydrogen at elevated temperature and superatmospheric pressure in the presence of a hydroformylation catalyst. The hydroformylation catalyst comprises a mixture of a metal, M, where M is cobalt (Co), rhodium (Rh), ruthenium (Ru) or palladium (Pd); carbon monoxide; and a bicyclic tertiary phosphine having a ligating phosphorus atom. The ligating phosphorus atom is neither in a bridgehead position nor a member of a bridge linkage. The process produces oxygenated products comprising aldehydes and/or alcohols. |
72 |
Process for producing carbonyl or hydroxy compound |
US09925523 |
2001-08-10 |
US06703528B2 |
2004-03-09 |
Koji Hagiya; Naoyuki Takano; Akio Kurihara |
There are disclosed are a method for producing at least one compound selected from a carbonyl compound and a hydroxy adduct compound by an oxidative cleavage or addition reaction of an olefinic double bond of an olefin compound, which contains reacting an olefin compound with hydrogen peroxide, utilizing as a catalyst, at least one member selected from (a) tungsten, (b) molybdenum, or (c) a tungsten or molybdenum metal compound containing (ia) tungsten or (ib) molybdenum and (ii) an element of Group IIIb, IVb, Vb or VIb excluding oxygen, and a catalyst composition. |
73 |
Method for oxidising hydrocarbons into acids |
US10221108 |
2002-12-02 |
US20030166967A1 |
2003-09-04 |
Eric
Fache |
The present invention relates to a process for oxidizing hydrocarbons, in particular branched or unbranched saturated aliphatic hydrocarbons, cycloaliphatic or alkylaromatic hydrocarbons to acidic or polyacidic compounds. The invention relates more particularly to the oxidation, with an oxidizing agent containing molecular oxygen, of cyclohexane to adipic acid, in the presence of organic acid of lipophilic nature and in the absence of adipic acid. The separation and recycling of the unoxidized cyclohexane, the oxidation intermediates and the catalysts are easier than in the presence of acetic acid. |
74 |
Production of oxygenated products |
US10358998 |
2003-02-05 |
US20030158446A1 |
2003-08-21 |
Jan
Petrus
Steynberg; Khedaren
Govender; Petrus
Johannes
Steynberg |
A process for producing oxygenated products from an olefinic feedstock, which process includes reacting, in a hydroformylation reaction stage, an olefin feedstock with carbon monoxide and hydrogen at elevated temperature and superatmospheric pressure in the presence of a hydroformylation catalyst. The hydroformylation catalyst comprises a mixture of a metal, M, where M is cobalt (Co), rhodium (Rh), ruthenium (Ru) or palladium (Pd); carbon monoxide; and a bicyclic tertiary phosphine having a ligating phosphorus atom. The ligating phosphorus atom is neither in a bridgehead position nor a member of a bridge linkage. The process produces oxygenated products comprising aldehydes and/or alcohols. |
75 |
Method for oxidizing hydrocarbons |
US09762179 |
2001-03-23 |
US06603028B1 |
2003-08-05 |
Markus Weisbeck; Ernst Ulrich Dorf; Gerhard Wegener; Christoph Schild |
The invention relates to a method for oxidizing hydrocarbons with a hydrogen/oxygen mixture in the presence of a catalyst. The catalyst contains a) a support material which contains titanium and b) silver particles having an average particle size ranging from 0.3 to 100 nm. |
76 |
Oxidative reactions using membranes that selectively conduct oxygen |
US10130822 |
2002-05-23 |
US20020173422A1 |
2002-11-21 |
Stefan
Bitterlich; Hartwig
Voss; Hartmut
Hibst; Andreas
Teten; Ingolf
Voight; Ute
Pippardt |
Reactor membranes advantageously useful in oxidation reactions of hydrocarbons involving oxygen comprise a selective oxidation catalyst on a mixed conducting, oxide ion selective ceramic membrane of the composition (Sr1-xCax)1-yAyMn1-zBzO3-null, where A is Ba, Pb, Na, K, Y, an element of the lanthanide group or a combination thereof, B is Mg, Al, Ga, In, Sn, an element of the 3d or 4d period or a combination thereof, x is from 0.2 to 0.8, y is from 0 to 0.4, z is from 0 to 0.6, and null is a number, dependent on x, y and z, that renders the composition charge neutral. |
77 |
Process for preparation of substituted aromatic compound |
US10018424 |
2001-12-20 |
US06469224B1 |
2002-10-22 |
Tadahito Nobori; Setsuko Fujiyoshi; Isao Hara; Takaomi Hayashi; Atsushi Shibahara; Katsuhiko Funaki; Kazumi Mizutani; Shinji Kiyono |
A substituted aromatic compound substituted with Q is obtained by reacting a phosphazenium compound represented by formula (1) (in the formula, Q− represents an anion in a form derived by elimination of a proton from an inorganic acid, or an active hydrogen compound having an active hydrogen on an oxygen atom, a nitrogen atom or a sulfur atom; a, b, c and d, each independently, is 0 or 1, but all of them are not 0 simultaneously; and R groups represent the same or different hydrocarbon groups having 1 to 10 carbon atoms, or two Rs on each common nitrogen atom may be bonded together to form a ring structure) with a halogenated aromatic compound having halogen atoms; whereby, at least one halogen atom in the halogenated aromatic compound is substituted with Q (where, Q represents an inorganic group or an organic group in a form derived by elimination of one electron from Q− in formula (1)). |
78 |
Process for the catalytic selective oxidation of a hydrocarbon compound in presence of mesoporous zeolite |
US09961019 |
2001-09-21 |
US20020038057A1 |
2002-03-28 |
Iver
Schmidt; Michael
Brorson; Claus
J.H.
Jacobsen |
Processes applying mesoporous titanium containing zeolite based catalysts for selective oxidation or epoxidation of hydrocarbons by peroxides. |
79 |
Oxidation of alkylaromatic compounds |
US619507 |
1996-03-26 |
US5705705A |
1998-01-06 |
Scott William Brown; Kevin Auty |
A process for the oxidation of alkylaromatic compounds is provided. The process comprises oxidizing a substrate alkylaromatic compound with a peroxygen compound in the presence of a source of cerium (III) or (IV), a source of bromide and a carboxylic acid or anhydride solvent. Preferably, the source of cerium is cerium (III) acetate, the source of bromide is sodium bromide and the solvent is acetic or propionic acid. The process is particularly suited to the selective oxidation of methylaromatic compounds to the corresponding aldehydes. |
80 |
Catalytic oxidation |
US303970 |
1994-09-09 |
US5504260A |
1996-04-02 |
Zoltan Kricsfalussy; Helmut Waldmann; Hans-Joachim Traenckner |
Organic compounds are selectively oxidized by means of a particularly advantageous process, using elemental oxygen and a catalyst containing palladium and copper and carrying out the process in the presence of carbon monoxide. |