序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
161 PROCESS FOR THE REDUCTIVE AMINATION AND SELECTIVE HYDROGENATION OF SUBSTRATES CONTAINING A SELECTED HALOGEN US15678183 2017-08-16 US20170342019A1 2017-11-30 Kristof Moonen; Bart Vandeputte; Daan Scheldeman; Kim Dumoleijn
Disclosed is a process for performing a chemical reaction selected from reductive amination and hydrogenation of a first functional group in an organic feed substrate, which feed substrate comprises at least one further functional group containing a halogen atom, wherein the halogen atom is selected from the list consisting of chlorine, bromine, iodine, and combinations thereof, in the presence of hydrogen and a heterogeneous catalyst comprising at least one metal from the list of Pd, Rh, and Ru, together with at least a second metal from the list consisting of Ag, Ni, Co, Sn, Cu and Au. The process is preferably applied for the reductive amination of 2-chloro-benzaldehyde to form 2-chloro-benzyldimethylamine, as an intermediate in the production of agrochemically active compounds and microbiocides of the methoximinophenylglyoxylic ester series. Further disclosed is a composition rich in 2-chloro-benzyldimethylamine, further comprising an amount of 2-chloro-benzyl alcohol and being low in chlorotoluene isomers.
162 Process for preparing cyclododecanone US14815014 2015-07-31 US09533933B2 2017-01-03 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.
163 Bisoxime Ester Photoinitiator and Preparation Method and Use Thereof US15116932 2015-03-17 US20160376226A1 2016-12-29 Xiaochun Qian
A bisoxime ester photoinitiator as represented by general formula (I). By introducing a bisoxime ester group and a cycloalkylalkyl group into the chemical structure, this photoinitiator not only has excellent performance in aspects of storage stability, photosensitivity, developability, pattern integrity, and the like, but also exhibits obviously improved photosensitivity and thermal stability compared to similar photoinitiators.
164 Synthetic intermediate of 1-(2-deoxy-2-fluoro-4-thio-β-D-arabinofuranosyl) cytosine, synthetic intermediate of thionucleoside, and method for producing the same US14873966 2015-10-02 US09475835B2 2016-10-25 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.
165 PROCESS FOR PREPARING CYCLODODECANONE US14814984 2015-07-31 US20160031783A1 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 cyclododecane (CDAN), wherein CDAN is separated from the CDON-containing mixture and oxidized to CDON.
166 METHOD FOR PRODUCING OXIME US14655514 2013-12-12 US20150353478A1 2015-12-10 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), orR1 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.
167 Method for producing ketoxime US14087511 2013-11-22 US09133106B2 2015-09-15 Shih-Yao Chao; Cheng-Fa Hsieh; Chien-Chang Chiang; Pin-To Yao
A method for producing a ketoxime is provided. The method includes the step of performing a reaction of a nitrogen-containing compound, ketone and an oxidant by using a titanium-silicon molecular sieve as a catalyst, so as to form the ketoxime, thereby increasing the yield and selectivity of the ketoxime.
168 SYNTHETIC INTERMEDIATE OF 1-(2-DEOXY-2-FLUORO-4-THIO-ß-D-ARABINOFURANOSYL)CYTOSINE, SYNTHETIC INTERMEDIATE OF THIONUCLEOSIDE, AND METHOD FOR PRODUCING THE SAME US14621119 2015-02-12 US20150152131A1 2015-06-04 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.
169 Diterpenoid derivatives endowed of biological properties US13951736 2013-07-26 US08822692B2 2014-09-02 Alberto Cerri; Mauro Gobbini; Marco Torri; Patrizia Ferrari; Mara Ferrandi; Giuseppe Bianchi
The present invention relates to new diterpenoid derivatives of formula (I), processes for their preparation, and to pharmaceutical compositions containing them for the treatment of cardiovascular disorders, urinary incontinence, asthma, or Alzheimer's disease and/or to prevent obstructive vascular lesions consequently to arteriotomy and/or angioplasty, and to prevent organ damage in hypertensive patients.
170 Method for preparing large-sized titanium-silicalite molecular sieve and method for preparing cyclohexanone oxime using the molecular sieve US13344869 2012-01-06 US08772194B2 2014-07-08 Shih-Yao Chao; Cheng-Fa Hsieh; Chien-Chang Chiang; Ya-Ping Chen; Pin-To Yao
The present invention provides a method for preparing a large-sized titanium-silicalite molecular sieve, and a method for preparing cyclohexanone oxime using the large-sized titanium-silicalite molecular sieve. The method for preparing a large-sized titanium-silicalite molecular sieve includes preparing a mixture of a titanium source, a silicon source and a template agent; heating the mixture to form a gel mixture; mixing a colloidal silica with the gel mixture; heating the gel mixture mixed with the colloidal silica in a water bath; and calcining the gel mixture mixed with the colloidal silica. In the present invention, the average particle size of the large-sized titanium-silicalitem molecular sieve is more than 10 um, and the particle size distribution is centralized, so as to avoid the formation of titanium-oxygen-titanium bonding. The method for preparing cyclohexanone oxime using the large-sized titanium-silicalite molecular sieve results in high conversion rate, high selectivity and easy recovery.
171 METHOD FOR PRODUCING KETOXIME US14087511 2013-11-22 US20140179951A1 2014-06-26 Shih-Yao Chao; Cheng-Fa Hsieh; Chien-Chang Chiang; Pin-To Yao
A method for producing a ketoxime is provided. The method includes the step of performing a reaction of a nitrogen-containing compound, ketone and an oxidant by using a titanium-silicon molecular sieve as a catalyst, so as to form the ketoxime, thereby increasing the yield and selectivity of the ketoxime.
172 Method for preparing titanium-silicalite molecular sieve and method for preparing cyclohexanone oxime using the molecular sieve US13344995 2012-01-06 US08753998B2 2014-06-17 Chien-Chang Chiang; Cheng-Fa Hsieh; Pin-To Yao; Shih-Yao Chao
The present invention provides a method for preparing a titanium-silicalite molecular sieve, and a method for preparing cyclohexanone oxime using the titanium-silicalite molecular sieve. The method for preparing a titanium-silicalite molecular sieve includes the steps of preparing a mixture of a titanium source, a silicon source and a template agent, wherein the titanium source has a structure of formula (I); heating the mixture to form a gel mixture; mixing the gel mixture with water; heating the gel mixture mixed with the water in a water bath; and calcining the gel mixture mixed with the water. The method using the titanium-silicalite molecular sieve for preparing cyclohexanone oxime results in high conversion rate and high selectivity.
173 Oxidation Of Cyclohexylbenzene US13819951 2011-08-16 US20140148569A1 2014-05-29 Jihad Mohammed Dakka; Francisco Manuel Benitez; Bryan Amrutlal Patel; Edmund John Mozeleski
In a process for oxidizing a feed comprising cyclohexylbenzene, the feed is contacted with oxygen and an oxidation catalyst in a plurality of reaction zones connected in series, the contacting being conducted under conditions being effective to oxidize part of the cyclohexylbenzene in the feed to cyclohexylbenzene hydroperoxide in each reaction zone. At least one of the plurality of reaction zones has a reaction condition that is different from another of the plurality of reaction zones. The different reaction conditions may include one or more of (a) a progressively decreasing temperature and (b) a progressively increasing oxidation catalyst concentration as the feed flows from one reaction zone to subsequent reaction zones in the series.
174 DITERPENOID DERIVATIVES ENDOWED OF BIOLOGICAL PROPERTIES US13951736 2013-07-26 US20130310423A1 2013-11-21 Alberto Cerri; Mauro Gobbini; Marco Torri; Patrizia Ferrari; Mara Ferrandi; Giuseppe Bianchi
The present invention relates to new diterpenoid derivatives of formula (I), processes for their preparation, and to pharmaceutical compositions containing them for the treatment of cardiovascular disorders, urinary incontinence, asthma, or Alzheimer's disease and/or to prevent obstructive vascular lesions consequently to arteriotomy and/or angioplasty, and to prevent organ damage in hypertensive patients.
175 Ammoximation process US12666343 2008-07-02 US08450526B2 2013-05-28 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.
176 Ammoximation process US13139930 2010-01-06 US08444917B2 2013-05-21 Robert Raja; Alexander James Paterson
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.
177 ORDERED MESOPOROUS TITANOSILICATE AND THE PROCESS FOR THE PREPARATION THEREOF US13811235 2011-07-20 US20130116453A1 2013-05-09 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.
178 Process of racemisation of optically active alpha aminoacetals US12601067 2008-05-21 US08350092B2 2013-01-08 Muriel Albalat; Geraldine Primazot; Didier Wilhelm; Jean-Claude Vallejos
The invention relates to a process for preparing α-aminoacetals substantially in racemic form, comprising a step of oxidizing optically enriched α-aminoacetals to the corresponding oximes, in the presence of a catalyst, and a step of reducing the oximes thus obtained.
179 TITANIUM-SILICALITE MOLECULAR SIEVE, METHOD FOR PREPARING THE SAME AND METHOD FOR PREPARING CYCLOHEXANONE OXIME USING THE MOLECULAR SIEVE US13345089 2012-01-06 US20120277468A1 2012-11-01 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 transition metal source, a template agent and water; 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.
180 METHOD FOR PREPARING TITANIUM-SILICALITE MOLECULAR SIEVE AND METHOD FOR PREPARING CYCLOHEXANONE OXIME USING THE MOLECULAR SIEVE US13344995 2012-01-06 US20120271066A1 2012-10-25 Chien-Chang Chiang; Cheng-Fa Hsieh; Pin-To Yao; Shih-Yao Chao
The present invention provides a method for preparing a titanium-silicalite molecular sieve, and a method for preparing cyclohexanone oxime using the titanium-silicalite molecular sieve. The method for preparing a titanium-silicalite molecular sieve includes the steps of preparing a mixture of a titanium source, a silicon source and a template agent, wherein the titanium source has a structure of formula (I); heating the mixture to form a gel mixture; mixing the gel mixture with water; heating the gel mixture mixed with the water in a water bathe; and calcining the gel mixture mixed with the water. The method using the titanium-silicalite molecular sieve for preparing cyclohexanone oxime results in high conversion rate and high selectivity.
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