Search Results - "Kyoon Park, Jin"

Divergent C–H Annulation for Multifused N‐Heterocycles: Regio‐ and Stereospecific Cyclizations of N‐Alkynylindoles by Alam, Khyarul, Hong, Sung Won, Oh, Kyung Hwan, Park, Jin Kyoon

“…N‐Alkynylindoles were divergently cyclized for the synthesis of multifused N‐heterocycles. An ortho‐aryl palladium species was added to the α position of an…”
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Regiodivergent Synthesis of 1,3‐ and 1,4‐Enynes through Kinetically Favored Hydropalladation and Ligand‐Enforced Carbopalladation by Pradhan, Tapas R., Kim, Hong Won, Park, Jin Kyoon

“…Pd‐catalyzed hydroalkynylations were developed that involve ligand‐enabled regiodivergent addition of an alkyne to an allenamide, giving branched and linear…”
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Regiodivergent Trifluoromethanesulfonic Acid‐Promoted Cycloisomerizations of Ynenamines to Fused Indoles by Alam, Khyarul, Kim, Jin Gyeong, Kang, Dong Yun, Park, Jin Kyoon

“…Trifluoromethanesulfonic acid (TfOH)‐mediated cycloisomerizations were controlled through the choice of the electron‐withdrawing functional group at C3 of…”
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Chemoselective Coupling of π‐Systems to Access Metallated 1,4‐ or 1,5‐Skipped Dienes in Multicomponent Reactions by Pradhan, Tapas R., Kyoon Park, Jin

“…Integrating distinct unsaturated C−C systems while simultaneously installing metallic groups has been significantly challenging to execute in a multicomponent…”
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An Overview of Water‐Mediated Alkyne Functionalization by Neighboring Group Participation of Carbonyl Groups by Pradhan, Tapas R., Park, Jin Kyoon

“…Reviewed herein, the progress employing the assistance of a neighboring carbonyl group for alkyne functionalization reactions that are mediated by water…”
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Metal Nanozyme with Ester Hydrolysis Activity in the Presence of Ammonia‐Borane and Its Use in a Sensitive Immunosensor by Nandhakumar, Ponnusamy, Kim, Gyeongho, Park, Seonhwa, Kim, Seonghye, Kim, Suhkmann, Park, Jin Kyoon, Lee, Nam‐Sihk, Yoon, Young Ho, Yang, Haesik

“…Metal nanoparticle surfaces are used for peroxidase‐ and oxidase‐like nanozymes but not for esterase‐like nanozymes. It is challenging to obtain rapid…”
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Room-Temperature Transition-Metal-Free One-Pot Synthesis of 3‑Aryl Imidazo[1,2‑a]pyridines via Iodo-hemiaminal Intermediate by Lee, Seul Ki, Park, Jin Kyoon

“…A mild and efficient one-pot synthesis of 3-aryl imidazo­[1,2-a]­pyridines in up to 88% yield was developed. An adduct was formed after the simple mixing of…”
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A Modular Synthesis of 4-Aminoquinolines and [1,3] N-to-C Rearrangement to Quinolin-4-ylmethanesulfonamides by Oh, Kyung Hwan, Kim, Jin Gyeong, Park, Jin Kyoon

“…A copper-catalyzed regiocontrolled three-component reaction afforded diversified 4-aminoquinolines using nitriles, diaryliodoniums, and ynamides. The…”
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Recycling Chiral Imidazolidin-4-one Catalyst for Asymmetric Diels-Alder Reactions: Screening of Various Ionic Liquids by Park, Jin Kyoon, Sreekanth, Pentlavalli, Kim, B. Moon

“…Various imidazolium ionic liquids such as [Bmim]PF6, [Bmim]SbF6, [Bmim]OTf and [Bmim]BF4 were screened for recycling an organic catalyst…”
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Regioselective Catalytic Hydroboration of Propargylic Species Using Cu(I)-NHC Complexes by Park, Jin Kyoon, Ondrusek, Brian A, McQuade, D. Tyler

“…The catalytic regioselective hydroboration of propargylic alcohols and ethers was investigated using NHC-CuCl. We observe that different NHC-CuCl complexes…”
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Chemoselective Nitro Reduction Using Nitrogen‐Doped Carbon‐Encapsulated Ni Catalyst and Y‐Type Packed Bed Column for Continuous Flow Reaction by Cao, Lei, Asad Abbas, Syed, Hyeon Jeong, Seo, Seo, Dongho, Min Nam, Ki, Kyoon Park, Jin

“…Selective reduction of nitro‐containing arenes and heteroarenes was achieved in 5 minutes at room temperature utilizing inexpensive NaBH4 as a hydrogen source…”
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Stereoconvergent Synthesis of Chiral Allylboronates from an E/Z Mixture of Allylic Aryl Ethers Using a 6-NHC−Cu(I) Catalyst by Park, Jin Kyoon, Lackey, Hershel H, Ondrusek, Brian A, McQuade, D. Tyler

“…We present a 6-NHC−Cu(I) complex that provides α-substituted allylboronates using allylic aryl ether substrates. The method was discovered by comparison of the…”
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Iterative Asymmetric Allylic Substitutions: syn- and anti-1,2-Diols through Catalyst Control by Park, Jin Kyoon, McQuade, D. Tyler

“…A copper‐catalyzed asymmetric allylic boronation (AAB) gives access to syn‐ and anti‐1,2‐diols. The method facilitates an iterative strategy for the…”
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Rapid and Sensitive Electrochemical Detection of Carbaryl Based on Enzyme Inhibition and Thiocholine Oxidation Mediated by a Ruthenium(III) Complex by Fang, Chiew San, Oh, Kyung Hwan, Park, Jin Kyoon, Yang, Haesik

“…In the electrochemical detection method for pesticides that measures their inhibitory effects on acetylcholinesterases (AChEs), the direct electrooxidation of…”
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Highly Chemoselective Esterification from O‐Aminoallylation of Carboxylic Acids: Metal‐ and Reagent‐Free Hydrocarboxylation of Allenamides by Pradhan, Tapas R., Lee, Hae Eun, Gonzalez‐Montiel, Gisela A., Cheong, Paul Ha‐Yeon, Park, Jin Kyoon

“…Metal‐free hydrocarboxylation of allenamides with various functionalized carboxylic acids were achieved with complete regio‐ and stereocontrol (>49:1). This…”
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Development of Structurally Diverse N-Heterocyclic Carbene Ligands via Palladium-Copper-Catalyzed Decarboxylative Arylation of Pyrazolo[1,5-a]pyridine-3-carboxylic Acid by Alam, Khyarul, Kim, Seong Min, Kim, Do Joong, Park, Jin Kyoon

“…A series of fused non‐classical normal N‐heterocyclic carbenes, Pyrpy‐NHC precursors derived from pyrazolo[1,5‐a]pyridines, has been prepared using…”
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An ultrasensitive and incubation-free electrochemical immunosensor using a gold-nanocatalyst label mediating outer-sphere-reaction-philic and inner-sphere-reaction-philic species by Fang, Chiew San, Oh, Kyung Hwan, Oh, Aram, Lee, Kwangyeol, Park, Seonhwa, Kim, Sinyoung, Park, Jin Kyoon, Yang, Haesik

“…This communication reports a new nanocatalytic scheme based on the facts that the redox reaction between a highly outer-sphere-reaction-philic (OSR-philic)…”
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Continuous Synthesis and Use of N‑Heterocyclic Carbene Copper(I) Complexes from Insoluble Cu2O by Opalka, Suzanne M, Park, Jin Kyoon, Longstreet, Ashley R, McQuade, D. Tyler

“…It is demonstrated that homogeneous N-heterocyclic carbene–copper(I)-chloride complexes can be prepared continuously by flowing NHC precursors through a packed…”
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Palladium-Catalyzed Direct Arylations of 1,2-Azolo[1,5-a]pyridines using Copper(I) Chloride as a Lewis Acid Activator and the Synthesis of 2,6-Disubstituted Pyridines by Oh, Kyung Hwan, Kim, Seong Min, Lee, Mi Jung, Park, Jin Kyoon

“…A direct method for the arylation of 1,2‐azolo[1,5‐a]pyridines has been developed. In the process, the fused pyridines react with aryl halides in the presence…”
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N-benzyl-N-methyldecan-1-amine and its derivative mitigate 2,4- dinitrobenzenesulfonic acid-induced colitis and collagen-induced rheumatoid arthritis by Kim, Ji Eun, Kang, Changyu, Budluang, Phatcharaporn, Yawut, Natpaphan, Cho, Il-Rae, Choi, Yun Ju, Kim, Jaejeong, Ju, Sanghyun, Lee, Beomgu, Sohn, Dong Hyun, Yim, Hyung-Soon, Lee, Kyeong Won, Han, Jinsol, Jung, Youngmi, Kang, Ho Young, Park, Jin Kyoon, Jung, Yunjin, Hwang, Dae Youn, Chung, Young-Hwa

“…As our previous study revealed that -benzyl- -methyldecan-1-amine (BMDA), a new molecule originated from , exhibits anti-neoplastic activities, we herein…”
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