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Sterically-Hindered and Strongly Sigma-Donating Triazole NHC Ligands Technology
General structure of classical NHCs and the present invention
Invention Summary:
NHC ligands (NHC = N-heterocyclic carbene) are the most popular ligands in transition-metal-catalysis, organocatalysis, organic synthesis and materials science, among other applications.
Rutgers researchers have developed a novel sterically-hindered and strongly...
Published: 4/22/2024
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Inventor(s): Michal Szostak, Sourav Bera
Keywords(s):
Category(s): Technology Classifications > Physical Sciences & Engineering, Technology Classifications > Catalysts
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Complexes of N-heterocyclic carbenes for hydro-functionalization reactions
Structures of Cu-NHC Complexes. Note that the same structures are available for Ag-NHC and Au-NHC
Invention Summary:
Unsymmetrical N-heterocyclic carbenes (NHCs) hold pivotal significance in modern catalysis and material science due to their versatile and tunable properties. Their unique electronic and steric attributes enable tailored...
Published: 10/26/2023
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Inventor(s): Michal Szostak, Qun Zhao, Mahbubur Rahman
Keywords(s): Catalysts
Category(s): Technology Classifications > Physical Sciences & Engineering, Technology Classifications > Catalysts
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Phebox Ligands and Methods of Making Same
The Phebox ligand
Invention Summary:
Phebox ligands are organic complexes useful for a number of catalytic transformations of other organic molecules, including transformations of alkanes generally requiring harsh conditions. Since catalytic transformations using this class of ligands intrinsically involve the activation of C-H bonds,...
Published: 3/20/2023
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Inventor(s): Alan Goldman, Thomas Dugan
Keywords(s): Catalysts, Chemical and petrochemical industry, Polymers & Composites
Category(s): Technology Classifications > Polymers/Composites/Materials, Technology Classifications > Physical Sciences & Engineering, Technology Classifications > Catalysts
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Development of an efficient catalyst for dehydrogenation of alkanes
Dehydrogenation of alkane with developed catalyst.
Invention Summary:
Olefins (alkenes) are key intermediates in the production of fuels and many commodity chemicals. Alkanes, and particularly light linear alkanes, are increasingly abundant but of limited value. The dehydrogenation of alkanes is therefore an economically very attractive...
Published: 4/21/2024
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Inventor(s): Alan Goldman, Santanu Malakar, Xiaoguang Zhou, Kun Wang
Keywords(s): Catalysts, Chemical and petrochemical industry, Polymers & Composites
Category(s): Technology Classifications > Physical Sciences & Engineering, Technology Classifications > Catalysts, Technology Classifications > Polymers/Composites/Materials
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Sterically-Defined Biaryl L-Shaped N-Heterocyclic Carbene Complexes and Methods
Invention Summary:
Buchwald dialkylbiarylphosphines are the most widely used class of ligands in catalysis. The resulting cross-coupling reactions of this class of catalysts have a wide range of applications in both the industry and academia, especially in the fields of medical chemistry, drug discovery, biochemistry, geochemistry, natural...
Published: 4/21/2024
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Inventor(s): Michal Szostak, Tongliang Zhou, Shiyi Yang
Keywords(s): Catalysts
Category(s): Technology Classifications > Catalysts, Technology Classifications > Physical Sciences & Engineering
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Amino Decorated L-Shaped Heterobidentate NHC Ligands on Imidazo[1,5-a]pyridine Architecture and Methods
Invention Summary:
Dalphos ligands are among the most successful and widely used arlyphosphine ligands in organic catalysis. They are among the most popular ligands in the optimization and development of new processes using Au catalysis, where the stabilization of Au intermediates by five-membered chelates plays an essential role in catalysis...
Published: 8/9/2023
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Inventor(s): Michal Szostak, Pengcheng Gao
Keywords(s): Catalysts
Category(s): Technology Classifications > Catalysts, Technology Classifications > Physical Sciences & Engineering
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Single Atom Catalyst on Holey Graphene Nanoplatelets
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Invention Summary:
The drive to replace precious platinum group metal (PGM)-based oxygen reduction reaction (ORR) catalysts has boosted the research and development of PGM free single-atom catalyst. However, numerous challenges remain in large scale practical application, efficiency, and...
Published: 7/20/2022
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Inventor(s): Huixin He, Qingdong Li, Jenny Lockard
Keywords(s): Catalysts, Graphene technology
Category(s): Technology Classifications > Physical Sciences & Engineering, Technology Classifications > Polymers/Composites/Materials, Technology Classifications > Catalysts
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Spinel Catalysts for Water Oxidation/Water Splitting
Spinel compounds like LiCo2O4 catalyzes water oxidation at lower over-potental than industry standards (Ir, Ru, Pt, Pd) . The crystal structure determines the electro-catalytic performance, with other structures (layered, cubic) or compositions (AB2O4) more useful at different current densities
Invention Summary:
Development of water oxidation/...
Published: 1/31/2023
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Inventor(s): Martha Greenblatt, G. Charles Dismukes
Keywords(s): Catalysts, Renewable & Solar Energy
Category(s): Technology Classifications > Physical Sciences & Engineering, Technology Classifications > Polymers/Composites/Materials, Technology Classifications > Energy & Battery, Technology Classifications > Catalysts
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Novel Complexes Of N-Heterocyclic Carbenes For Transition-Metal Catalysis
Invention Summary:
Palladium-catalyzed cross-coupling reactions are tremendously valuable in the synthesis of small molecules and are among the most important methods for the construction of diverse chemicals. In numerous Pd-catalyzed reactions, NHCs (NHC = N-heterocyclic carbenes) are advantageous as ancillary ligands due to their strong -donation...
Published: 9/8/2022
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Inventor(s): Michal Szostak, Shicheng Shi
Keywords(s): Catalysts, Chemical and petrochemical industry
Category(s): Technology Classifications > Physical Sciences & Engineering, Technology Classifications > Catalysts
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Novel Ligands for Transition-Metal Catalysis
Invention Summary:
N-heterocyclic carbenes (NHCs) are tremendously valuable ligands in homogeneous catalysis. IPr (IPr = 1,3-bis(2,6-diisopropylphenyl)imidazol-2-ylidene) represents the most important NHC. Rutgers scientists have developed novel, sterically bulky, easily accessible NHC ligand IPr# (referred to as “hash” series) that can...
Published: 9/8/2022
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Inventor(s): Michal Szostak, Qun Zhao, Guangrong Meng, Guangchen Li
Keywords(s): Catalysts, Chemical and petrochemical industry
Category(s): Technology Classifications > Physical Sciences & Engineering, Technology Classifications > Catalysts
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