Search Results - "Woon Yang, Jung"

Expanding the Scope of the Organocatalytic Addition of Fluorobis(phenylsulfonyl)methane to Enals: Enantioselective Cascade Synthesis of Fluoroindane and Fluorochromanol Derivatives by Kim, Young Sug, Kim, Sun Min, Wang, Bing, Companyó, Xavier, Li, Jing, Moyano, Albert, Im, Seoyoung, Tošner, Zdeněk, Yang, Jung Woon, Rios, Ramon

“…Highly enantioselective cascade reactions for the synthesis of fluoroindanes and chromanols derivatives are described. The cascade reactions consisted of…”
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Proline-Catalyzed Mannich Reaction of Aldehydes with N-Boc-Imines by Yang, Jung Woon, Stadler, Michael, List, Benjamin

“…A curious cat.: The proline‐catalyzed Mannich reaction between aldehydes and N‐Boc‐imines (Boc=tert‐butoxycarbonyl) gives crystalline β‐amino aldehydes with…”
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Proline-catalysed Mannich reactions of acetaldehyde by Yang, Jung Woon, Chandler, Carley, Stadler, Michael, Kampen, Daniela, List, Benjamin

“…More Mannich reactions Traditionally, catalysts for organic chemical reactions have been either enzymes or metal complexes. But small organic molecules, known…”
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Copper‐Catalyzed Asymmetric Synthesis of Borylated cis‐Disubstituted Indolines by Li, DingXi, Kim, Jiwon, Yang, Jung Woon, Yun, Jaesook

“…A copper‐catalyzed, intramolecular borylative cyclization of vinyl arenes with imines is reported, which affords enantio‐enriched indolines as a single…”
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Organophotocatalytic Synthesis of Phosphoramidates by Meazza, Marta, Kowalczuk, Agnieszka, Shirley, Luke, Yang, Jung Woon, Guo, Hao, Rios, Ramon

“…We describe the use of visible light in conjunction with an organic dye for the synthesis of phosphoramidates. Cross dehydrogenative coupling reactions between…”
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Impact of Carboxyl Groups in Graphene Oxide on Chemoselective Alcohol Oxidation with Ultra-Low Carbocatalyst Loading by Cui, Yan, Lee, Young Hee, Yang, Jung Woon

“…A highly efficient and simple chemoselective aerobic oxidation of primary alcohols to either aldehydes or carboxylic acids in the presence of nitric acid was…”
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Hydrotrifluoromethylation and iodotrifluoromethylation of alkenes and alkynes using an inorganic electride as a radical generator by Choi, Sungkyu, Kim, Ye Ji, Kim, Sun Min, Yang, Jung Woon, Kim, Sung Wng, Cho, Eun Jin

“…The trifluoromethyl (CF 3 ) group is a staple synthon that can alter the physical and chemical properties of organic molecules. Despite recent advances in…”
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Synergistic Catalysis: Highly Enantioselective Cascade Reaction for the Synthesis of Dihydroacridines by Meninno, Sara, Meazza, Marta, Yang, Jung Woon, Tejero, Tomas, Merino‐Gomez, Pedro, Rios, Ramon

“…The first stereoselective synthesis of dihydroacridines through synergistic catalysis, achieving the final target compounds with good to excellent yields and…”
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Catalytic Asymmetric Reductive Michael Cyclization by Yang, Jung Woon, Hechavarria Fonseca, Maria T, List, Benjamin

“…A highly efficient and chemo-, regio-, diastereo-, and enantioselective organocatalytic tandem conjugate reduction−Michael cyclization of enal enones has been…”
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Metal-Free, Organocatalytic Asymmetric Transfer Hydrogenation of α,β-Unsaturated Aldehydes by Yang, Jung Woon, Hechavarria Fonseca, Maria T., Vignola, Nicola, List, Benjamin

“…Selective reduction without metals: An imidazolidinone salt effectively catalyzes the highly enantioselective biomimetic transfer hydrogenation of…”
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Redox chemistry of nitrogen-doped CNT-encapsulated nitroxide radical polymers for high energy density and rate-capability organic batteries by Byeon, Huimyoung, Gu, Bobae, Kim, Hye-Jung, Lee, Ji Hye, Seo, Inseok, Kim, Jeha, Yang, Jung Woon, Kim, Jae-Kwang

“…[Display omitted] •Nitroxide radical polymer filled nitrogen-doped CNTs (NCNTs) organic electrode is prepared.•The nitroxide radical-based organic electrode…”
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Preparation of Chiral Contiguous Epoxyaziridines and Their Regioselective Ring‐Opening for Drug Syntheses by Mao, Hui, Jeong, Hyeonsu, Yang, Jieun, Ha, Hyun‐Joon, Yang, Jung Woon

“…Synthetically valuable chiral (aziridin‐2‐yl)oxirane‐3‐carbaldehydes bearing three consecutive functional groups including aziridine, epoxide, and aldehyde…”
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Metal-Free Chemoselective Oxidative Dehomologation or Direct Oxidation of Alcohols: Implication for Biomass Conversion by Kim, Sun Min, Shin, Hun Yi, Kim, Dong Wan, Yang, Jung Woon

“…A transition metal‐free, chemoselective reaction was performed using the sodium tert‐butoxide–oxygen (NaOtBu–O2) system, resulting in either oxidative…”
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Switching Regioselectivity in Crossed Acyloin Condensations between Aromatic Aldehydes and Acetaldehyde by Altering N-Heterocyclic Carbene Catalysts by Jin, Ming Yu, Kim, Sun Min, Han, Hogyu, Ryu, Do Hyun, Yang, Jung Woon

“…An unprecedented high level of regioselectivities (up to 96%) in the intermolecular crossed acyloin condensations of various aromatic aldehydes with…”
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Chemoselective Hydrodehalogenation of Organic Halides Utilizing Two-Dimensional Anionic Electrons of Inorganic Electride [Ca2N]+·e by Kim, Ye Ji, Kim, Sun Min, Yu, Chunghyeon, Yoo, YoungMin, Cho, Eun Jin, Yang, Jung Woon, Kim, Sung Wng

“…Halogenated organic compounds are important anthropogenic chemicals widely used in chemical industry, biology, and pharmacology; however, the persistence and…”
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Silica gel-supported bis-cinchona alkaloid: a chiral catalyst for the heterogeneous asymmetric desymmetrization of meso-cyclic anhydrides by Song, Yu-Mi, Seok Choi, Jin, Woon Yang, Jung, Han, Hogyu

“…Graphic A one-pot conversion of meso-cyclic anhydrides with alcoholysis in diethyl ether using SGS-(DHQ) 2AQN 4 , a silica gel-supported chiral catalyst, into…”
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Two dimensional inorganic electride-promoted electron transfer efficiency in transfer hydrogenation of alkynes and alkenes by Kim, Ye Ji, Kim, Sun Min, Cho, Eun Jin, Hosono, Hideo, Yang, Jung Woon, Kim, Sung Wng

“…A simple and highly efficient transfer hydrogenation of alkynes and alkenes by using a two-dimensional electride, dicalcium nitride ([Ca N] ·e ), as an…”
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Acetaldehyde: A Small Organic Molecule with Big Impact on Organocatalytic Reactions by Kim, Sun Min, Kim, Young Sug, Kim, Dong Wan, Rios, Ramon, Yang, Jung Woon

“…Stereocontrolled formation of carbon−carbon and carbon−heteroatom bonds through asymmetric organocatalysis is a formidable challenge for modern synthetic…”
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Mixed Monosilyl Acetals and Catalyst‐Dependent Chemoselective Mukaiyama Aldol Reactions by Kim, Sun Min, Yang, Hye Sung, Eum, Heesung, Ha, Hyun‐Joon, Yang, Jung Woon

“…We report a direct, simple, and straightforward approach for the construction of a mixed monosilyl acetal as a new and synthetically valuable functional group…”
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Chemoselective reduction and oxidation of ketones in water through control of the electron transfer pathway by Kim, Sun Min, Yoo, Ho Sung, Hosono, Hideo, Yang, Jung Woon, Kim, Sung Wng

“…The selective synthesis of different products from the same starting materials in water, which is the most abundant solvent in nature, is a crucial issue as it…”
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