公开(公告)号：US20240286985A1

公开(公告)日：2024-08-29

申请号：US18681921

申请日：2022-11-02

Applicant: Dow Global Technologies LLC ,  The Board of Trustees of the University of Illinois

Inventor： Jing Luo ,  Xue Chen ,  David G. Barton ,  David W. Flaherty ,  Claudia Eugenia Berdugo-diaz ,  Yangsik Yun

IPC: C07C41/18 ,  B01J23/44 ,  B01J31/02 ,  B01J31/28 ,  B01J35/30

CPC classification number: C07C41/18 ,  B01J23/44 ,  B01J31/0225 ,  B01J31/28 ,  B01J35/394 ,  B01J2231/643 ,  B01J2531/005 ,  B01J2531/824

Abstract: A process for producing an ether including treating (a) an ester with (b) hydrogen in the presence of (c) a heterogeneous catalyst to reduce the ester by hydrogenation to form an ether product, wherein the heterogeneous catalyst comprises a transition metal deposited on a sulfonic acid functionalized SiO2 support.

公开(公告)号：US20240208891A1

公开(公告)日：2024-06-27

申请号：US18556343

申请日：2022-04-12

Applicant: Firmenich SA

Inventor： Lionel SAUDAN ,  Julie QUINTAINE

IPC: C07C45/62 ,  B01J31/16 ,  B01J31/24

CPC classification number: C07C45/62 ,  B01J31/1616 ,  B01J31/2495 ,  B01J2231/643

Abstract: The present invention relates to the field of catalytic hydrogenation and, more particularly, to the use of a base-free catalytic system comprising a specific rhodium complex for the reduction of a conjugated dienal or dienone into the corresponding deconjugated enal or deconjugated enone.

公开(公告)号：US20230398529A1

公开(公告)日：2023-12-14

申请号：US18248535

申请日：2021-10-11

Applicant: Bayer Aktiengesellschaft

Inventor： Christoph SCHOTES ,  Sébastien GOUDEDRANCE ,  Felix SPINDLER ,  Beat FUCHS

IPC: B01J31/22 ,  B01J31/18 ,  C07D221/04

CPC classification number: B01J31/2295 ,  B01J31/2217 ,  B01J31/182 ,  C07D221/04 ,  B01J2531/821 ,  B01J2531/004 ,  B01J2231/643

Abstract: The invention relates to a process for preparing optically active 2-aryl substituted 6,7-dihydro-5H-cyclopenta[b]pyridin-7-ols comprising asymmetric transfer hydrogenation of the corresponding ketones in presence of a ruthenium catalyst comprising a chiral diamine or amino alcohol ligand.

公开(公告)号：US11673125B2

公开(公告)日：2023-06-13

申请号：US16314326

申请日：2017-08-18

Applicant: The University of Chicago

Inventor： Wenbin Lin ,  Kuntal Manna ,  Pengfei Ji ,  Takahiro Sawano ,  Zekai Lin

IPC: B01J31/02 ,  B01J27/128 ,  B01J31/12 ,  B01J37/04

CPC classification number: B01J27/128 ,  B01J31/121 ,  B01J37/04 ,  B01J2231/44 ,  B01J2231/643 ,  B01J2231/645 ,  B01J2231/646 ,  B01J2531/845 ,  B01J2531/847

Abstract: Surface hydroxyl groups on porous and nonporous metal oxides, such as silica gel and alumina, were metalated with catalyst precursors, such as complexes of earth abundant metals (e.g., Fe, Co, Cr, Ni, Cu, Mn and Mg). The metalated metal oxide catalysts provide a versatile family of recyclable and reusable single-site solid catalysts for catalyzing a variety of organic transformations. The catalysts can also be integrated into a flow reactor or a supercritical fluid reactor.

公开(公告)号：US10005706B2

公开(公告)日：2018-06-26

申请号：US15033847

申请日：2014-11-03

Applicant: COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH

Inventor： Anil Kisan Kinage ,  Balasaheb Rajendra Javale ,  Pralhad Arjun Burate

IPC: C07F7/02 ,  C07C29/143 ,  B01J31/02 ,  B01J29/40 ,  B01J29/50 ,  B01J29/70 ,  B01J29/85 ,  B01J37/00 ,  B01J37/08 ,  B01J37/10 ,  C01B39/40 ,  C01B39/48 ,  C01B39/54

CPC classification number: C07C29/143 ,  B01J29/40 ,  B01J29/50 ,  B01J29/7007 ,  B01J29/7038 ,  B01J29/85 ,  B01J31/0274 ,  B01J31/0275 ,  B01J37/0018 ,  B01J37/082 ,  B01J37/10 ,  B01J2231/643 ,  C01B39/40 ,  C01B39/48 ,  C01B39/54

Abstract: The present invention discloses chiral siliceous composition comprising chiral or achiral silane moiety ‘A’, substituted in another moiety ‘B’ with tetrahedral metallo-silica or silica framework with mesoporous and microporous structure, useful as chiral heterogeneous catalyst and in enantioselective separations. The invention further discloses a method for introducing molecular level chirality in crystalline framework of silicate and metallosilicate with mesoporous or microporous structure thereof.

公开(公告)号：US20180162801A1

公开(公告)日：2018-06-14

申请号：US15377073

申请日：2016-12-13

Applicant: King Abdulaziz University

Inventor： Mohammad W. KADI ,  R. M. MOHAMED

IPC: C07C209/36 ,  B01J23/10 ,  B01J31/26 ,  B01J31/06 ,  B01J35/00 ,  B01J37/04 ,  B01J37/08

CPC classification number: C07C209/36 ,  B01J13/02 ,  B01J23/10 ,  B01J31/06 ,  B01J31/26 ,  B01J35/0013 ,  B01J35/004 ,  B01J35/008 ,  B01J35/08 ,  B01J37/086 ,  B01J2231/641 ,  B01J2231/643 ,  B01J2531/002 ,  B01J2531/008 ,  B01J2531/38

Abstract: Methods of synthesizing cerium oxide and polyaniline nanocomposites, including nanospheres enclosing a hollow core, are specified. Properties of the cerium oxide and polyaniline nanocomposites are described, as well as a method of using the nanocomposites as photocatalysts for the reduction of an aromatic nitro compound using visible light. A method for reusing the nanocomposites as photocatalysts is also discussed.

公开(公告)号：US20180141966A1

公开(公告)日：2018-05-24

申请号：US15572160

申请日：2016-01-16

Applicant: Zhejiang Jiuzhou Pharmaceutical Co., Ltd.

Inventor： Qilin ZHOU ,  Jianhua XIE ,  Denghui BAO ,  Lixin WANG

IPC: C07F9/50 ,  C07F9/6553 ,  C07C29/149 ,  C07C29/145 ,  B01J31/24 ,  B01J31/22 ,  B01J31/18 ,  B01J37/04

CPC classification number: C07F9/5022 ,  B01J31/189 ,  B01J31/226 ,  B01J31/249 ,  B01J37/04 ,  B01J2231/643 ,  B01J2531/0241 ,  B01J2531/827 ,  C07B53/00 ,  C07C29/145 ,  C07C29/149 ,  C07C67/31 ,  C07C69/675 ,  C07C69/708 ,  C07C231/12 ,  C07C231/18 ,  C07C235/06 ,  C07C269/06 ,  C07C271/22 ,  C07F9/5054 ,  C07F9/655363 ,  C07F15/0033

Abstract: The present invention relates to a chiral spiro phosphine-nitrogen-sulfur (P—N—S) tridentate ligand, preparation method and application thereof. The P—N—S tridentate ligand is a compound represented by Formula I or Formula II, their racemates, optical isomers, or catalytically acceptable salts thereof. The ligand has a primary structure skeleton characterized as a chiral spiro indan skeleton structure with a thio group. The chiral spiro phosphine-nitrogen-sulfur tridentate ligand can be synthesized by reacting racemic or optical active compound 7-diary/alkyl phosphine-7′-amino-1,1′-spiro-dihydro-indene compound having a spiro-dihydro-indene skeleton as the starting material. The chiral spiro P—N—S tridentate ligand being complex with transition metal salt can be used in an asymmetric catalytic hydrogenation reaction for catalyzing carbonyl compound. In particular, in asymmetric hydrogenation reaction process, being complex with iridium for catalyzing β-alkyl-β-keto ester can obtain a high catalytic activity (a catalyst amount of 0.0002% mol) and high enantioselectivity (up to 99.9% ee) result. So the present invention has a practical value for industrial and commercial production.

公开(公告)号：US09744528B2

公开(公告)日：2017-08-29

申请号：US14775159

申请日：2014-03-11

Applicant: Rutgers, The State University Of New Jersey

Inventor： Xumu Zhang

IPC: C07C201/12 ,  B01J31/24 ,  C07D307/38 ,  C07F17/02 ,  C07C209/52 ,  C07C213/02 ,  C07B53/00 ,  C07F17/00

CPC classification number: B01J31/2409 ,  B01J31/2414 ,  B01J2231/643 ,  B01J2231/645 ,  B01J2531/0205 ,  B01J2531/0263 ,  B01J2531/16 ,  B01J2531/17 ,  B01J2531/18 ,  B01J2531/26 ,  B01J2531/821 ,  B01J2531/822 ,  B01J2531/824 ,  B01J2531/827 ,  B01J2531/84 ,  B01J2531/842 ,  B01J2540/22 ,  B01J2540/225 ,  B01J2540/66 ,  B01J2540/68 ,  C07B53/00 ,  C07C201/12 ,  C07C209/52 ,  C07C213/02 ,  C07D307/38 ,  C07F17/00 ,  C07F17/02 ,  C07C205/04 ,  C07C205/09 ,  C07C205/32 ,  C07C211/30 ,  C07C211/29 ,  C07C211/27 ,  C07C217/58

Abstract: A ligand having the structure or its enantiomer; (I) wherein: each one of Ra, Rb, Rc and Rd is selected from alkyl, cycloalkyl, and aryl; the bridge group is selected from CH2NH; *CH(CH3)NH(C*,R); and the organocatalyst is an organic molecule catalyst covalently bound to the bridge group. Also, a catalyst having the structure or its enantiomer: (II) wherein: each one of Ra, Rb, Rc and Rd is selected from alkyl, cycloalkyl, and aryl; the bridge group is selected from CH2NH; *CH(CH3)NH(C*,R); and *CH(CH3)NH(C*,S); the organocatalyst is an organic molecule catalyst covalently bound to the bridge group; and M is selected from the group consisting of Rh, Pd, Cu, Ru, Ir, Ag, Au, Zn, Ni, Co, and Fe.

公开(公告)号：US09656952B2

公开(公告)日：2017-05-23

申请号：US14906759

申请日：2014-07-22

Applicant: SHOWA DENKO K.K.

Inventor： Katsutoshi Ono ,  Tomomitsu Kato

IPC: C07C69/52 ,  C07C259/04 ,  B01J31/02 ,  C07C269/02 ,  C07C271/04 ,  C07C271/16 ,  C07C271/20 ,  C07C271/24 ,  C07C231/10 ,  C07C233/18 ,  C08F20/36 ,  C07C263/12

CPC classification number: C07C259/04 ,  B01J31/02 ,  B01J31/0209 ,  B01J31/0249 ,  B01J31/0271 ,  B01J2231/643 ,  C07C231/10 ,  C07C233/18 ,  C07C263/12 ,  C07C269/02 ,  C07C271/04 ,  C07C271/16 ,  C07C271/20 ,  C07C271/24 ,  C07C2601/14 ,  C08F20/36

Abstract: A reaction accelerator is provided which is used in a reaction of a compound including an isocyanate group that is not directly bonded to an aromatic ring in a molecule with a compound including an active hydrogen-containing group and is formed of a compound including a halogenated carbamoyl group. A production method is provided which includes reacting a compound including an isocyanate group that is not directly bonded to an aromatic ring in a molecule with a compound including an active hydrogen-containing group to produce a urethane compound, a thiourethane compound, an amide compound or a urea compound, in which the reaction is performed in the presence of the reaction accelerator.

公开(公告)号：US20170066704A1

公开(公告)日：2017-03-09

申请号：US15123271

申请日：2015-03-04

Applicant: BASF SE

Inventor： Carolin LIMBURG ,  Rocco PACIELLO

IPC: C07C45/51 ,  B01J31/22 ,  B01J31/02 ,  C07F15/00

CPC classification number: C07C45/512 ,  B01J31/0202 ,  B01J31/2226 ,  B01J31/223 ,  B01J31/2234 ,  B01J2231/44 ,  B01J2231/641 ,  B01J2231/643 ,  B01J2231/645 ,  B01J2531/821 ,  C07C2601/14 ,  C07F15/0046

Abstract: The present invention is directed towards a catalyst which is obtainable by contacting in situ a ruthenium precursor and a phenol derivative. Furthermore, the present invention is directed towards the use of said catalyst in transfer hydrogenation reactions. In particular, the present invention is directed to a method for preparing menthone starting from isopulegol.

Abstract translation: 本发明涉及通过原位接触钌前体和苯酚衍生物可获得的催化剂。 此外，本发明涉及所述催化剂在转移氢化反应中的用途。 特别地，本发明涉及一种从异ule醇开始制备薄荷酮的方法。