子分类：
| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 121 | Method for producing oxime | US14655514 | 2013-12-12 | US09533944B2 | 2017-01-03 | Masahiro Hoshino; Yuta Kikuchi; Sho Tsujiuchi |
| Provided is a method for producing an oxime compound with satisfactory selectivity. Provide is a method for producing an oxime represented by the following formula (II): wherein R1 and R2 are respectively the same as defined below, the method including oxidizing an amine represented by the following formula (I): wherein R1 and R2 each independently represents a hydrogen atom, an optionally substituted hydrocarbon group, or an optionally substituted heterocyclic group (provided that R1 and R2 are not simultaneously hydrogen atoms), or R1 and R2, together with the carbon atom to which R1 and R2 are attached, form an optionally substituted alicyclic hydrocarbon group having 3 to 12 carbon atoms [hereinafter sometimes referred to as the amine compound (I)], with oxygen in the presence of a layered silicate. | ||||||
| 122 | TITANIUM-SILICALITE MOLECULAR SIEVE, METHOD FOR PREPARING THE SAME AND METHOD FOR PREPARING CYCLOHEXANONE OXIME USING THE MOLECULAR SIEVE | US15241947 | 2016-08-19 | US20160355467A1 | 2016-12-08 | Ya-Ping Chen; Cheng-Fa Hsieh; Pin-To Yao; Chien-Chang Chiang |
| The present invention provides a titanium-silicalite molecular sieve and a method for preparing the same. The method includes the steps of preparing a mixture of a titanium source, a silicon source, a metal source selected from IIA to IVA elements and a template agent; heating the mixture to form a gel mixture; heating the gel mixture in a water bath; and calcining the gel mixture after the gel mixture in the water bath to form the titanium-silicalite molecular sieve. The present invention further provides a method for preparing cyclohexanone oxime by using the titanium-silicalite molecular sieve as the catalyst which results in high conversion rate, high selectivity and high usage efficiency of hydrogen peroxide. | ||||||
| 123 | Titanium-silicalite molecular sieve, method for preparing the same and method for preparing cyclohexanone oxime using the molecular sieve | US13350045 | 2012-01-13 | US09434683B2 | 2016-09-06 | Ya-Ping Chen; Cheng-Fa Hsieh; Pin-To Yao; Chien-Chang Chiang |
| The present invention provides a titanium-silicalite molecular sieve and a method for preparing the same. The method includes the steps of preparing a mixture of a titanium source, a silicon source, a metal source selected from IIA to IVA elements and a template agent; heating the mixture to form a gel mixture; heating the gel mixture in a water bath; and calcining the gel mixture after the gel mixture in the water bath to form the titanium-silicalite molecular sieve. The present invention further provides a method for preparing cyclohexanone oxime by using the titanium-silicalite molecular sieve as the catalyst which results in high conversion rate, high selectivity and high usage efficiency of hydrogen peroxide. | ||||||
| 124 | PROCESS FOR PREPARING CYCLODODECANONE | US14815014 | 2015-07-31 | US20160031784A1 | 2016-02-04 | Kevin MICOINE; Ralf MEIER; Juergen HERWIG; Martin ROOS; Harald HAEGER; Luca CAMERETTI; Jens DOERING |
| Cyclododecanone (CDON) is prepared by epoxidizing cyclododecene (CDEN) to epoxycyclododecane (CDAN epoxide), and rearranging the CDAN epoxide to CDON to obtain a mixture comprising said CDON and CDEN, wherein CDEN is separated from the CDON-containing mixture and sent to the epoxidation to CDAN epoxide in step a. | ||||||
| 125 | Synthetic intermediate of 1-(2-deoxy-2-fluoro-4-thio-β-D-arabinofuranosyl)cytosine, synthetic intermediate of thionucleoside, and method for producing the same | US14621119 | 2015-02-12 | US09221865B2 | 2015-12-29 | Kouki Nakamura; Satoshi Shimamura; Junichi Imoto; Motomasa Takahashi; Katsuyuki Watanabe; Kenji Wada; Yuuta Fujino; Takuya Matsumoto; Makoto Takahashi; Hideki Okada; Takehiro Yamane; Takayuki Ito |
| A compound represented by a formula [1D] as shown below (wherein R1A, R1B, R2A, R2B, R3A and R3B represent a hydrogen atom, an optionally substituted C1-6 alkyl group, and the like) is useful as an intermediate for producing a thionucleoside, and the production method of the present invention is useful as a method for producing a thionucleoside. | ||||||
| 126 | Ordered mesoporous titanosilicate and the process for the preparation thereof | US13811235 | 2011-07-20 | US08932980B2 | 2015-01-13 | Srinivas Darbha; Anuj Kumar |
| The invention discloses three-dimensional, ordered, mesoporous titanosilicates wherein the Ti is in a tetrahedral geometry and exclusively substituted for Si in the silica framework. Such titanosilicates find use as catalysts for epoxidation, hydroxylation, C—H bond oxidation, oxidation of sulfides, aminolysis of epoxide and amoximation, with approx. 100% selectivity towards the products. | ||||||
| 127 | ALDEHYDE-SELECTIVE WACKER-TYPE OXIDATION OF UNBIASED ALKENES | US14255049 | 2014-04-17 | US20140316149A1 | 2014-10-23 | ZACHARY K. WICKENS; BILL MORANDI; ROBERT H. GRUBBS; KACPER SKAKUJ; SARAH BRONNER |
| This disclosure is directed to methods of preparing organic aldehydes, each method comprising contacting a terminal olefin with an oxidizing mixture comprising: (a) a dichloro-palladium complex; (b) a copper complex; (c) a source of nitrite; under aerobic reaction conditions sufficient to convert at least a portion of the terminal olefin to an aldehyde. | ||||||
| 128 | Ammoximation process | US13889411 | 2013-05-08 | US08779125B2 | 2014-07-15 | Robert Raja; John Meurig Thomas |
| 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 sites comprising different transition metal atoms. | ||||||
| 129 | Ammoximation Process | US13889404 | 2013-05-08 | US20130245322A1 | 2013-09-19 | Robert Raja; Alexander James Patterson |
| 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 the qualitative general formula (I) M1M2AlPO-5 (I) in which M1 is at least one transition metal atom having redox catalytic capability; M2 is at least one metal atom in the (IV) oxidation state; M1 and M2 are different from each other; and a proportion of the phosphorous atoms in the M1M2AlPO-5 type structure are replaced by M2 atoms. | ||||||
| 130 | TITANIUM-SILICALITE MOLECULAR SIEVE, METHOD FOR PREPARING THE SAME AND METHOD FOR PREPARING CYCLOHEXANONE OXIME USING THE MOLECULAR SIEVE | US13350045 | 2012-01-13 | US20130041181A1 | 2013-02-14 | Ya-Ping Chen; Cheng-Fa Hsieh; Pin-To Yao; Chien-Chang Chiang |
| The present invention provides a titanium-silicalite molecular sieve and a method for preparing the same. The method includes the steps of preparing a mixture of a titanium source, a silicon source, a metal source selected from IIA to IVA elements and a template agent; heating the mixture to form a gel mixture; heating the gel mixture in a water bath; and calcining the gel mixture after the gel mixture in the water bath to form the titanium-silicalite molecular sieve. The present invention further provides a method for preparing cyclohexanone oxime by using the titanium-silicalite molecular sieve as the catalyst which results in high conversion rate, high selectivity and high usage efficiency of hydrogen peroxide. | ||||||
| 131 | METHOD FOR PRODUCING OXIME | US13427847 | 2012-03-22 | US20120253073A1 | 2012-10-04 | Sho TSUJIUCHI; Masami Fukao |
| There is provided a method for producing an oxime compound, which is characterized by the steps of:(a) oxidizing cumene to produce cumene hydroperoxide,(b) subjecting the cumene hydroperoxide to an ammoximation reaction with ammonia and a ketone in the presence of a catalyst to produce a reaction mixture containing an oxime compound corresponding to the ketone and 2-phenyl-2-propanol,(c) separating a fraction of 2-phenyl-2-propanol and the oxime compound corresponding to the ketone from the reaction mixture resulting in the step (b),(d) converting 2-phneyl-2-propanol in the fraction to cumene, and(e) recycling at least a portion of the cumene resulting in step(d) to step (a). | ||||||
| 132 | Catalytic process for the ammoximation of carbonyl compounds | US12700280 | 2010-02-04 | US08278487B2 | 2012-10-02 | Nirappurackal Raveendran Shiju |
| The present disclosure pertains to a process for preparing an oxime in which a carbonyl compound is reacted in the liquid phase with NH3 and H2O2 in the presence of a catalyst to form the corresponding oxime, wherein the catalyst comprises a catalytic component selected from the oxides of metals of group 5 and group 6. The use of a niobia catalyst is particularly preferred. The process according to the disclosure is suitable for the manufacture of numerous oximes, in particular cyclohexanone oxime. | ||||||
| 133 | METHOD FOR MANUFACTURING CYCLOHEXANONE OXIME | US13240532 | 2011-09-22 | US20120078014A1 | 2012-03-29 | Masami FUKAO; Hiroshi TOMOI |
| To produce cyclohexanone oxime stably for a long time by an ammoximation reaction of cyclohexanone. Cyclohexanone oxime is produced by performing an ammoximation reaction of cyclohexanone with hydrogen peroxide and ammonia in the presence of titanosilicate and a solid containing a silicon compound, wherein the solid containing a silicon compound is one that had been used in a Beckmann rearrangement reaction of cyclohexanone oxime as a catalyst. | ||||||
| 134 | PROCESS FOR THE PREPARATION OF TS-1 ZEOLITES | US12808080 | 2008-12-03 | US20100331576A1 | 2010-12-30 | Angela Carati; Donatella Berti; Roberto Millini; Franco Rivetti; Angela Maria Mantegazza; Gianni Girotti |
| The invention relates to a new process which allows the preparation of TS-1 zeolites in a pure phase and with a crystallinity higher than 95%, operating at reduced reaction volumes, and obtaining high productivities and extremely high crystallization yields. The particular crystalline form of the TS-1 zeolite thus prepared, is also described. | ||||||
| 135 | AMMOXIMATION PROCESS | US12666343 | 2008-07-02 | US20100179317A1 | 2010-07-15 | Robert RAJA |
| 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 sites comprising different transition metal atoms. | ||||||
| 136 | Coammoxidation of Ketones | US10572594 | 2004-08-02 | US20080249300A1 | 2008-10-09 | Juergen Herwig; Martin Roos; Georg Oenbrink; Bernd Guenzel; Dirk Kuppert |
| The invention relates to a method for the coammoxidation, i.e. for the simultaneous ammoxidation of ketones, especially of cyclic ketones such as cyclododecanone and cyclohexanone. The ammoxidatian method of the invention relates to the production of oximes from ketones or aldehydes using hydrogen peroxide and amnmonia and further using a catalyst that substantially consists of silicon, titanium and oxygen, such as for example titanium silicalite. | ||||||
| 137 | Process for ammoximation of carbonyl compounds | US10448282 | 2003-05-30 | US07408080B2 | 2008-08-05 | Wei Wu; Bin Sun; Yongxiang Li; Shibiao Cheng; Enquan Wang; Shuzhong Zhang |
| The present invention discloses a process for the ammoximation of carbonyl compounds, wherein a reaction in a liquid reaction system comprising a carbonyl compound, ammonia and hydrogen peroxide is carried out in the presence of a sillicon-containing catalyst, characterized in that a liquid silicon-containing assistant is added to the reaction system so that the silicon concentration in the system reaches a range of between 0.1 and 10000 ppm. In the process according to the present invention, the deactivation of catalyst due to dissolution of silicon in the catalyst can be reduced, thus lifetime of the catalyst extended and the stable operation time elongated. | ||||||
| 138 | Method for making 2,2,4,4,-tetramethyl-3-pentanone oxime and hydroxylammonium salts | US10479167 | 2002-05-22 | US07164042B2 | 2007-01-16 | Jean-Pierre Schirmann |
| The invention concerns a production method which consists in forming a reaction medium containing 2,2,4,4,-tetramethyl-3-pentanone, hydrogen peroxide, ammonia and a zeolitic structure catalyst and allowing the reaction to obtain said oxime. 2,2,4,4,-tetramethyl-3-pentanone and hydrogen peroxide can be obtained by auto-oxidation of 2,2,4,4,-tetramethyl-3-pentanol with oxygen or air. Hydroxylammonium salts are obtained by acid hydrolysis of said oxime. | ||||||
| 139 | Process for producing cyclohexanone oxime | US11360631 | 2006-02-24 | US20060205939A1 | 2006-09-14 | Masami Fukao; Shinichi Kawase |
| A process for producing cyclohexanone oxime is provided: (1) reacting cyclohexanone, hydrogen peroxide and ammonia in the presence of a titanosilicate catalyst to give a reaction solution containing cyclohexanone oxime, water, unreacted ammonia and unreacted cyclohexanone, (2) distilling off ammonia, (3) an extraction step, (4) mixing the organic layer obtained in step (3) with water followed by separating into an organic aqueous layers, (5) distilling off organic solvent and water to obtain a bottom product containing cyclohexanone oxime and cyclohexanone oxime, and (6) distilling off cyclohexanone and obtain a bottom product containing cyclohexanone oxime; wherein a compound selected from an oxide, an oxo acid, an oxo acid salt, an oxo acid ester and an oxo acid amide of boron or phosphorous is added to at least one of the water used in step (4) and the organic layer obtained in step (4) to be subjected to step (5). | ||||||
| 140 | Process for ammoximation of carbonyl compounds | US10448282 | 2003-05-30 | US20050215810A1 | 2005-09-29 | Wei Wu; Bin Sun; Yongxiang Li; Shibiao Cheng; Enquan Wang; Shuzhong Zhang |
| The present invention discloses a process for the ammoximation of carbonyl compounds, wherein a reaction in a liquid reaction system comprising a carbonyl compound, ammonia and hydrogen peroxide is carried out in the presence of a sillicon-containing catalyst, characterized in that a liquid silicon-containing assistant is added to the reaction system so that the silicon concentration in the system reaches a range of between 0.1 and 10000 ppm. In the process according to the present invention, the deactivation of catalyst due to dissolution of silicon in the catalyst can be reduced, thus lifetime of the catalyst extended and the stable operation time elongated. | ||||||
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