公开(公告)号：US12110296B2

公开(公告)日：2024-10-08

申请号：US17283385

申请日：2019-10-07

Applicant: N.E. CHEMCAT CORPORATION ,  OSAKA UNIVERSITY

Inventor： Kiyotomi Kaneda ,  Takato Mitsudome ,  Yoshiyuki Wada ,  Yukio Takagi

IPC: C07D487/08 ,  B01J6/00 ,  B01J23/648 ,  B01J23/652 ,  B01J27/18 ,  B01J37/00 ,  B01J37/04

CPC classification number: C07D487/08 ,  B01J6/001 ,  B01J23/6482 ,  B01J23/6525 ,  B01J27/1806 ,  B01J37/0036 ,  B01J37/04

Abstract: The present invention provides a method for producing a compound represented by formula (2), comprising at least a step of preparing a compound represented by formula (1) and a step of reacting the compound represented by formula (1) with a hydrogen source using a catalyst,




wherein R1 and R2 are each independently an alkyl group.

公开(公告)号：US09707544B2

公开(公告)日：2017-07-18

申请号：US15135958

申请日：2016-04-22

Applicant: Osaka University ,  N.E. Chemcat Corporation

Inventor： Kiyotomi Kaneda ,  Yukio Takagi

IPC: C07C1/247 ,  C07C29/141 ,  B01J37/02 ,  B01J37/03 ,  B01J21/10 ,  B01J23/50 ,  B01J23/58 ,  B01J23/63 ,  B01J23/66 ,  B01J23/00 ,  B01J27/232 ,  B01J35/00

CPC classification number: B01J23/66 ,  B01J23/007 ,  B01J27/232 ,  B01J35/0013 ,  B01J35/006 ,  B01J35/0086 ,  B01J37/0236 ,  B01J37/035 ,  B01J2523/00 ,  C07C1/247 ,  C07C29/141 ,  C07C2523/10 ,  C07C2523/50 ,  C07C2523/66 ,  B01J2523/18 ,  B01J2523/22 ,  B01J2523/31 ,  B01J2523/3712 ,  B01J2523/23 ,  C07C33/32 ,  C07C15/52

Abstract: Conventionally, a silver-cerium oxide composite containing a silver particle and cerium oxide covering the surface of the silver particle has been synthesized through a multi-stage process, and is disadvantageous not only in that there is a need to use an organic solvent and a surfactant, causing the time and cost to be increased, but also in that there is a possibility that fulminating silver is formed, leading to a problem about the safety. A method for producing a catalyst having a silver-cerium oxide composite and an alkaline carrier having supported thereon the oxide composite, the silver-cerium oxide composite containing a silver particle and cerium oxide covering the surface of the silver particle, the method having preparing a mixture containing a silver compound, a cerium compound, and an alkaline carrier, and drying the mixture is provided.

公开(公告)号：US12187691B2

公开(公告)日：2025-01-07

申请号：US17433126

申请日：2020-02-20

Applicant: OSAKA UNIVERSITY ,  N.E. CHEMCAT CORPORATION

Inventor： Kiyotomi Kaneda ,  Takato Mitsudome ,  Miho Kimura ,  Yukio Takagi ,  Yosuke Imanaka ,  Hiroyasu Suzuka ,  Tatsuya Kojima

IPC: C07D295/023 ,  B01J27/18 ,  B01J27/19 ,  B01J37/02 ,  B01J37/04 ,  C07D487/04

Abstract: Provided is a catalyst for amide compound hydrogenation characterized in that rhodium and molybdenum are supported on hydroxyapatite, the catalyst for amide compound hydrogenation providing a catalyst that can promote a reduction reaction that converts an amide compound into an amine compound, can be used under moderate conditions, and has durability that allows repeated use thereof while retaining high activity. Also provided is a method for producing an amine compound, the method being characterized by including bringing an amide compound into contact with the catalyst for amide compound hydrogenation to cause hydrogenation, thereby producing an amine compound.

公开(公告)号：US20200299239A1

公开(公告)日：2020-09-24

申请号：US16084063

申请日：2017-02-15

Applicant: N.E. CHEMCAT CORPORATION

Inventor： Hiroyasu Suzuka ,  Tomoteru Mizusaki ,  Yusuke Nakaya ,  Yoshiyuki Wada ,  Yukio Takagi

IPC: C07D213/73 ,  B01J23/89 ,  B01J21/18 ,  B01J35/10 ,  B01J35/02

Abstract: An aromatic nitro compound has a structure in which a nitro group and a halogen atom, in a separated state, are directly bonded as substituents to the ring structure of the same ring; a reaction composition is provided which, in a hydrogenation reaction of the nitro group of said aromatic nitro compound, allows selectively hydrogenating the nitro group, and sufficiently reducing the separation of the halogen atom from the ring; also provided is a reaction system that uses this reaction composition. This reaction composition includes a catalyst which, with the aforementioned aromatic nitro compound as reactant, is used in a hydrogenation reaction of at least one of the one or more nitro groups of said reactant. Further, the reaction composition includes a base and an organic solvent. The catalyst includes a carrier, and Fe oxide particles and Pt particles supported by the carrier.

公开(公告)号：US11161103B2

公开(公告)日：2021-11-02

申请号：US16466436

申请日：2017-12-06

Applicant: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY ,  N.E. CHEMCAT CORPORATION

Inventor： Junchul Choi ,  Norihisa Fukaya ,  Shunya Onozawa ,  Kazuhiko Sato ,  Hiroyuki Yasuda ,  Tomoteru Mizusaki ,  Yukio Takagi

IPC: B01J31/22

Abstract: An organometallic complex catalyst is disclosed for use in a cross-coupling reaction. In formula (1), M is the coordination center and represents a metal atom such as Pd or an ion thereof. R1, R2, and R3 may be the same or different and are a substituent such as a hydrogen atom. R4, R5, R6, and R7 may be the same or different and are a substituent such as a hydrogen atom. X represents a halogen atom. R8 represents a substituent that has a π bond and 3-20 carbon atoms. With regard to the electron-donating properties of R1-R7 with respect to the coordination center M of the ligand containing R1-R7 that is indicated in formula (2), R1-R7 are arranged in combination such that the TEP value obtained from infrared spectroscopy shifts toward the high frequency side compared to the TEP value of the ligand of formula (2-1).

公开(公告)号：US12017208B2

公开(公告)日：2024-06-25

申请号：US17269093

申请日：2019-08-28

Applicant: N.E. CHEMCAT CORPORATION ,  NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY

Inventor： Tomoteru Mizusaki ,  Yukio Takagi ,  Junchul Choi ,  Norihisa Fukaya ,  Kazuhiro Matsumoto

IPC: B01J31/22 ,  C07C209/10

CPC classification number: B01J31/22 ,  C07C209/10 ,  B01J2531/824

Abstract: It is an object of the present invention to provide a catalyst for a cross-coupling reaction in which an organometallic complex is sufficiently immobilized on a carrier and an object product can be easily obtained in a high yield and in a relatively short reaction time with a relatively small amount of use. The catalyst for a cross-coupling reaction of the present invention has a carrier part composed of a synthetic resin and an organometallic complex part immobilized on the carrier part by chemical bonding, and has a structure represented by formula (P1), wherein in (P1) R1, R2 may be the same or different, and is a substituent such as a hydrogen atom. R3, R4, R5, R6, R8, R9 may be the same or different and are substituents, such as a hydrogen. X represents a halogen atom, and R7 represents a substituent having 3 to 20 carbon atoms with a π bond. RS1 represents the main chain of the synthetic resin precursors having —CH2OH group at their end.

公开(公告)号：US10882033B2

公开(公告)日：2021-01-05

申请号：US16197404

申请日：2018-11-21

Applicant: N.E. CHEMCAT Corporation

Inventor： Yukio Takagi ,  Kiyohiko Saito ,  Yasuyuki Banno ,  Makoto Nagata

IPC: B01J29/72 ,  B01J35/12 ,  B01J37/00 ,  B01J37/10 ,  F01N3/20 ,  B01J35/04 ,  B01J37/03 ,  F01N13/16 ,  B01J29/76 ,  B01J37/02 ,  B01J29/072 ,  B01J37/30 ,  C01B39/48

Abstract: A slurry composition for a catalyst and a method for producing the same, a catalyst and a method for producing the same using the slurry composition for a catalyst. The method omits many heretofore required treatment steps and reduces catalyst production cost. The method comprising the steps of providing a slurry composition for a catalyst, comprising at least an aluminosilicate, Cu, and water, and having a solid concentration of 0.1% by mass to 90% by mass, wherein a component for a catalyst has composition represented by Al2O3·xSiO2·yT2O·zCuO (wherein T is a quaternary ammonium cation, and x, y and z are numbers that satisfy 10≤x≤40, 0.1≤y

公开(公告)号：US20190308182A1

公开(公告)日：2019-10-10

申请号：US16466436

申请日：2017-12-06

Applicant: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY ,  N.E. CHEMCAT CORPORATION

Inventor： Junchul Choi ,  Norihisa Fukaya ,  Shunya Onozawa ,  Kazuhiko Sato ,  Hiroyuki Yasuda ,  Tomoteru Mizusaki ,  Yukio Takagi

IPC: B01J31/22

Abstract: An organometallic complex catalyst is disclosed for use in a cross-coupling reaction. In formula (1), M is the coordination center and represents a metal atom such as Pd or an ion thereof. R1, R2, and R3 may be the same or different and are a substituent such as a hydrogen atom. R4, R5, R6, and R7 may be the same or different and are a substituent such as a hydrogen atom. X represents a halogen atom. R8 represents a substituent that has a π bond and 3-20 carbon atoms. With regard to the electron-donating properties of R1-R7 with respect to the coordination center M of the ligand containing R1-R7 that is indicated in formula (2), R1-R7 are arranged in combination such that the TEP value obtained from infrared spectroscopy shifts toward the high frequency side compared to the TEP value of the ligand of formula (2-1).

公开(公告)号：US20240359169A1

公开(公告)日：2024-10-31

申请号：US18686697

申请日：2022-09-16

Applicant: N.E. CHEMCAT CORPORATION ,  NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY

Inventor： Junchul Choi ,  Norihisa Fukaya ,  Kazuhiro Matsumoto ,  Tomoteru Mizusaki ,  Yukio Takagi ,  Yasuhiro Seki

IPC: B01J31/18 ,  B01J31/16 ,  C07C67/475

CPC classification number: B01J31/1815 ,  B01J31/1608 ,  B01J31/1616 ,  C07C67/475 ,  B01J2231/543

Abstract: The present invention provides an organic metal complex catalyst for an olefin metathesis reaction, which enables the achievement of a higher yield of a desired substance in an olefin metathesis reaction than the conventional catalysts. The organic metal complex catalyst according to the present invention has a structure represented by formula (1) and is used for an olefin metathesis reaction. In formula (1), M represents a coordination center and is an Ru atom or an ion thereof; R1, R2 and R3 may be the same as or different from each other and independently represent a substituent such as a hydrogen atom; R4, R5, R6 and R7 may be the same as or different from one another and independently represent a substituent such as a hydrogen atom; X represents a halogen atom; and R8 represents a substituent having 3 to 20 carbon atoms and having a π bond.

公开(公告)号：US11724249B2

公开(公告)日：2023-08-15

申请号：US17283401

申请日：2019-10-16

Applicant: N.E. CHEMCAT CORPORATION

Inventor： Yukio Takagi ,  Kiyohiko Saito ,  Yasuyuki Banno ,  Makoto Nagata

IPC: B01J29/76 ,  B01D53/94 ,  B01J35/02 ,  B01J35/04 ,  B01J35/10 ,  C01B39/48

CPC classification number: B01J29/763 ,  B01D53/9418 ,  B01J35/023 ,  B01J35/04 ,  B01J35/1061 ,  B01J35/1066 ,  C01B39/48 ,  B01D2255/20761 ,  B01D2255/50 ,  C01P2002/72

Abstract: Provided are a high-performance Cu—P co-supported zeolite and the like having excellent thermal endurance and catalyst performance. A Cu—P co-supported zeolite comprising at least a small pore size zeolite, and an extra-backbone copper atom and an extra-backbone phosphorus atom supported on the small pore size zeolite, wherein a silica-alumina ratio (SiO2/Al2O3) is 7 or more and 20 or less, a ratio of the copper atom to a T atom (Cu/T) is 0.005 or more and 0.060 or less, a ratio of the phosphorus atom to the T atom (P/T) is 0.005 or more and 0.060 or less, and a ratio of the phosphorus atom to the copper atom (P/Cu) is 0.1 or more and 3 or less.