Search Results - "Sim, Jaeuk"

Microwave-Mediated, Catalyst-Free Synthesis of 1,2,4-Triazolo[1,5- a ]pyridines from Enaminonitriles by Lee, Kwanghee, Kim, Young-Ah, Jung, Chanhyun, Sim, Jaeuk, Rajasekar, Shanmugam, Kwak, Jae-Hwan, Viji, Mayavan, Jung, Jae-Kyung

“…A catalyst-free, additive-free, and eco-friendly method for synthesizing 1,2,4-triazolo[1,5- ]pyridines under microwave conditions has been established. This…”
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Regiodivergent Organocatalytic Reactions by Mayavan Viji, Srinu Lanka, Jaeuk Sim, Chanhyun Jung, Heesoon Lee, Manjunatha Vishwanath, Jae-Kyung Jung

“…Organocatalysts are abundantly used for various transformations, particularly to obtain highly enantio- and diastereomeric pure products by controlling the…”
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Rapid, Operationally Simple, and Metal‐free NBS Mediated One‐pot Synthesis of 1,2‐Naphthoquinone from 2‐Naphthol by Sim, Jaeuk, Jo, Hyeju, Viji, Mayavan, Choi, Minho, Jung, Jin‐Ah, Lee, Heesoon, Jung, Jae‐Kyung

“…A metal‐free, one‐pot synthesis of 1,2‐naphthoquinone was accomplished from 2‐naphthol by utilizing economically cheap NBS under open air conditions. Initial…”
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Metal-free approach for the ʟ-proline mediated synthesis of nitrones from nitrosobenzene by Choi, Minho, Viji, Mayavan, Kim, Donghwan, Lee, Young Hee, Sim, Jaeuk, Kwak, Young-Shin, Lee, Kiho, Lee, Heesoon, Jung, Jae-Kyung

“…An efficient, and metal-free approach for the ʟ-proline mediated synthesis of nitrones from nitrosobenzene and benzaldehydes has been established. The reaction…”
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Inhibitory Effect of Chlorogenic Acid Analogues Comprising Pyridine and Pyrimidine on α-MSH-Stimulated Melanogenesis and Stability of Acyl Analogues in Methanol by Sim, Jaeuk, Lanka, Srinu, Jo, Jeong-Woong, Chaudhary, Chhabi Lal, Vishwanath, Manjunatha, Jung, Chan-Hyun, Lee, Young-Hee, Kim, Eun-Yeong, Kim, Young-Soo, Hyun, Soon-Sil, Lee, Hee-Soon, Lee, Kiho, Seo, Seung-Yong, Viji, Mayavan, Jung, Jae-Kyung

“…In continuation of studies for α-MSH stimulated melanogenesis inhibitors, we have evaluated the design, synthesis, and activity of a new series of chlorogenic…”
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Evaluations of the effects of soil properties and electrical conductivity on the water content reflectometer calibration for landfill cover soils by KIM, Kyoungchul, SIM, Jaeuk, KIM, Tae-Hyung

“…This study presents soil-moisture calibrations using low-frequency (15–40 MHz) time domain reflectometry (TDR) probe, referred to as water content…”
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Organocatalytic and Regiodivergent Mannich Reaction of Ketones with Benzoxazinones by Viji, Mayavan, Sim, Jaeuk, Li, Siyuan, Lee, Heesoon, Oh, Kyungsoo, Jung, Jae‐Kyung

“…Abstract In this study, we have developed solvent‐controlled regioselective Mannich reaction of cyclicimines (benzoxazinones) with various ketones by using…”
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Total Synthesis of Isohericerinol A and Its Analogues to Access Their Potential Neurotrophic Effects by Vishwanath, Manjunatha, Chaudhary, Chhabi Lal, Park, Yunjeong, Viji, Mayavan, Jung, Chanhyun, Lee, Kwanghee, Sim, Jaeuk, Hong, Seong Min, Yoon, Da Hye, Lee, Dae Hee, Lee, Jae Kang, Lee, Heesoon, Lee, Mi Kyeong, Kim, Sun Yeou, Jung, Jae-Kyung

“…The secondary metabolites from Hericium erinaceus are well-known to have neurotrophic and neuroprotective effects. Isohericerinol A (1), isolated by our…”
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α-Hydroxy acid as an aldehyde surrogate: metal-free synthesis of pyrrolo1,2-aquinoxalines, quinazolinones, and other N-heterocycles via decarboxylative oxidative annulation reaction by Viji, Mayavan, Vishwanath, Manjunatha, Sim, Jaeuk, Park, Yunjeong, Jung, Chanhyun, Lee, Seohu, Lee, Heesoon, Lee, Kiho, Jung, Jae-Kyung

“…A metal-free and efficient procedure for the synthesis of pyrrolo[1,2-a]quinoxalines, quinazolinones, and indolo[1,2-a]quinoxaline has been developed. The key…”
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A novel cyclization/oxidation strategy for a two-step synthesis of (Z)-aurone by Li, Siyuan, Jin, Feng, Viji, Mayavan, Jo, Hyeju, Sim, Jaeuk, Kim, Hak Sung, Lee, Heesoon, Jung, Jae-Kyung

“…[Display omitted] •Two-step synthesis of (Z)-Aurones through cyclization/oxidation cascade reaction.•A novel AgNO3-promoted synthesis of diversely substituted…”
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Front Cover Picture: γ‐Functionalization of α,β‐Unsaturated Nitriles under Mild Conditions: Versatile Synthesis of 4‐Aryl‐2‐Bromopyridines (Adv. Synth. Catal. 23/2019) by Sim, Jaeuk, Viji, Mayavan, Rhee, Jeongtae, Jo, Hyeju, Cho, Suk Joon, Park, Yunjeong, Seo, Seung‐Yong, Jung, Kwan‐Young, Lee, Heesoon, Jung, Jae‐Kyung

“…The front cover picture, designed by Jaeuk Sim from the group of Heesoon Lee and Jae‐Kyung Jung, illustrates the synthesis of 4‐aryl‐2‐halopyridines via…”
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α-Hydroxy acid as an aldehyde surrogate: metal-free synthesis of pyrrolo[1,2- a ]quinoxalines, quinazolinones, and other N-heterocycles via decarboxylative oxidative annulation reaction by Viji, Mayavan, Vishwanath, Manjunatha, Sim, Jaeuk, Park, Yunjeong, Jung, Chanhyun, Lee, Seohu, Lee, Heesoon, Lee, Kiho, Jung, Jae-Kyung

“…A metal-free and efficient procedure for the synthesis of pyrrolo[1,2- ]quinoxalines, quinazolinones, and indolo[1,2- ]quinoxaline has been developed. The key…”
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γ‐Functionalization of α,β‐Unsaturated Nitriles under Mild Conditions: Versatile Synthesis of 4‐Aryl‐2‐Bromopyridines by Sim, Jaeuk, Viji, Mayavan, Rhee, Jeongtae, Jo, Hyeju, Cho, Suk Joon, Park, Yunjeong, Seo, Seung‐Yong, Jung, Kwan‐Young, Lee, Heesoon, Jung, Jae‐Kyung

“…This report describes the synthesis of 4‐aryl‐2‐halopyridines via γ‐functionalization of α,β‐unsaturated nitriles, which were obtained by the HWE reaction with…”
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The Effect of Stabilizing Piles on a Self-Supported Earth-Retaining Wall by Sim, Jaeuk, Jeong, Sangseom, Kim, Kyoungchul

“…The behavior of a self-supported earth-retaining wall with stabilizing piles was investigated using a numerical study and field tests in urban excavations…”
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Synthesis and characterization of Rosuvastatin calcium impurity A; a HMG-CoA reductase inhibitor by Lee, Young Hee, Viji, Mayavan, Lee, Eunhwa, Jo, Hyeju, Yoo, Kyung, Sim, Jaeuk, Lee, Sunhwan, Lee, Kiho, Lee, Heesoon, Jung, Jae-Kyung

“…[Display omitted] •Efficient synthesis of Rosuvastatin calcium impurity A.•The synthesis of impurity A has been accomplished in 6 steps with 13.5% overall…”
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Synthesis and biological evaluation of caffeic acid derivatives as potent inhibitors of α-MSH-stimulated melanogenesis by Jo, Hyeju, Choi, Minho, Sim, Jaeuk, Viji, Mayavan, Li, Siyuan, Lee, Young Hee, Kim, Youngsoo, Seo, Seung-Yong, Zhou, Yuanyuan, Lee, Kiho, Kim, Wun-Jae, Hong, Jin Tae, Lee, Heesoon, Jung, Jae-Kyung

“…[Display omitted] We have disclosed our effort to develop caffeic acid derivatives as potent and non-toxic inhibitors of α-MSH-stimulated melanogenesis to…”
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Synthesis, biological evaluation, and metabolic stability of chlorogenic acid derivatives possessing thiazole as potent inhibitors of α-MSH-stimulated melanogenesis by Jo, Hyeju, Zhou, Yuanyuan, Viji, Mayavan, Choi, Minho, Lim, Jae Young, Sim, Jaeuk, Rhee, Jeongtae, Kim, Youngsoo, Seo, Seung-Yong, Kim, Wun-Jae, Hong, Jin Tae, Lee, Heesoon, Lee, Kiho, Jung, Jae-Kyung

“…[Display omitted] A series of catechol and dioxolane analogs containing thiazole CGA derivatives have been synthesized and evaluated for their inhibitory…”
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α-Hydroxy acid as an aldehyde surrogate: metal-free synthesis of pyrrolo[1,2-]quinoxalines, quinazolinones, and other N-heterocycles decarboxylative oxidative annulation reaction by Viji, Mayavan, Vishwanath, Manjunatha, Sim, Jaeuk, Park, Yunjeong, Jung, Chanhyun, Lee, Seohu, Lee, Heesoon, Lee, Kiho, Jung, Jae-Kyung

“…A metal-free and efficient procedure for the synthesis of pyrrolo[1,2- a ]quinoxalines, quinazolinones, and indolo[1,2- a ]quinoxaline has been developed. The…”
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Synthesis and Spectral Characterization of Impurities of a COX‐2 Selective Drug, Celecoxib by Lee, Young Hee, Vishwanath, Manjunatha, Lanka, Srinu, Lee, Eunhwa, Park, Yongbin, Lee, Sunhwan, Sim, Jaeuk, Lee, Seohoo, Lee, Kiho, Viji, Mayavan, Lee, Heesoon, Jung, Jae‐Kyung

“…Celecoxib and its impurities…”
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Finite Element Modeling for Wafer-to-Wafer Direct Bonding Behaviors and Alignment Prediction by Baek, Kyungmin, Han, Min-soo, Han, Il Young, Shin Lee, Jung, Sim, Jaeuk, Lee, Joongha, Min, Daeho, Lim, Kyeongbin, Rhee, Minwoo Daniel

“…For next-generation semiconductor devices, 3D IC package has attracted a lot of attention. Among technologies of the 3D IC package, a wafer-to-wafer (W2W)…”
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