Search Results - "Hoang, Gia L."

Three-Component Coupling of Aldehydes, Aminopyrazoles, and Sulfoxonium Ylides via Rhodium(III)-Catalyzed Imidoyl C–H Activation: Synthesis of Pyrazolo[1,5‑a]pyrimidines by Hoang, Gia L, Streit, Andrew D, Ellman, Jonathan A

“…An efficient, three-component strategy for Rh­(III)-catalyzed annulation of readily available 3-aminopyrazoles, aldehydes, and sulfoxonium ylides to give…”
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Synthesis of Azolo[1,3,5]triazines via Rhodium(III)-Catalyzed Annulation of N‑Azolo Imines and Dioxazolones by Hoang, Gia L, Søholm Halskov, Kim, Ellman, Jonathan A

“…A wide range of azolo­[1,3,5]­triazines were obtained by Rh­(III)-catalyzed annulation of N-azolo imines and dioxazolones. The reaction proceeds by the first…”
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Enantioselective Desymmetrization via Carbonyl-Directed Catalytic Asymmetric Hydroboration and Suzuki–Miyaura Cross-Coupling by Hoang, Gia L, Yang, Zhao-Di, Smith, Sean M, Pal, Rhitankar, Miska, Judy L, Pérez, Damaris E, Pelter, Libbie S. W, Zeng, Xiao Cheng, Takacs, James M

“…The rhodium-catalyzed enantioselective desymmetrization of symmetric γ,δ-unsaturated amides via carbonyl-directed catalytic asymmetric hydroboration (directed…”
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Rhodium(III)-catalyzed C–H functionalization of C-alkenyl azoles with sulfoxonium ylides for the synthesis of bridgehead N-fused [5,6]-bicyclic heterocycles by Hoang, Gia L., Ellman, Jonathan A.

“…The synthesis of bridgehead N-fused [5,6]-bicyclic heterocycles via rhodium(III)-catalyzed C–H functionalization of C-alkenyl azoles with sulfoxonium ylides is…”
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Mechanistic and Kinetic Insights into OH-Initiated Atmospheric Oxidation of Hymexazol: A Computational Study by Nguyen, Loc T., Hoang, Gia-Huy L., Tran, Uyen N.-P., Mai, Tam V.-T., Nguyen, Huy D., Huynh, Lam K.

“…Hymexazol is a volatile fungicide widely used in agriculture, causing its abundance in the atmosphere; thus, its atmospheric fate and conversion are of great…”
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Rhodium(III)-Catalyzed Imidoyl C–H Activation for Annulations to Azolopyrimidines by Halskov, Kim Søholm, Witten, Michael R, Hoang, Gia L, Mercado, Brandon Q, Ellman, Jonathan A

“…Azolopyrimidines are efficiently prepared by direct imidoyl C–H bond activation. Annulations of N-azolo imines with sulfoxonium ylides and diazoketones under…”
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Enantioselective γ-borylation of unsaturated amides and stereoretentive Suzuki-Miyaura cross-coupling by Hoang, Gia L, Takacs, James M

“…The rhodium-catalyzed, directed catalytic asymmetric hydroboration of γ,δ-unsaturated amides affords a direct route to chiral acyclic secondary γ-borylated…”
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Three-Component Coupling of Aldehydes, 2‑Aminopyridines, and Diazo Esters via Rhodium(III)-Catalyzed Imidoyl C–H Activation: Synthesis of Pyrido[1,2‑a]pyrimidin-4-ones by Hoang, Gia L, Zoll, Adam J, Ellman, Jonathan A

“…Imines formed in situ from 2-aminopyridines and aldehydes undergo Rh­(III)-catalyzed imidoyl C–H activation and coupling with diazo esters to give…”
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Annulation of Hydrazones and Alkynes via Rhodium(III)-Catalyzed Dual C–H Activation: Synthesis of Pyrrolopyridazines and Azolopyridazines by Streit, Andrew D, Zoll, Adam J, Hoang, Gia L, Ellman, Jonathan A

“…Hydrazones readily synthesized from N-aminopyrroles or N-aminoazoles and aldehydes undergo Rh­(III)-catalyzed dual C–H activation and coupling with aryl- and…”
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Mechanistic Insights into Carbonyl-Directed Rhodium-Catalyzed Hydroboration: ab Initio Study of a Cyclic γ,δ-Unsaturated Amide by Yang, Zhao-Di, Pal, Rhitankar, Hoang, Gia L, Zeng, Xiao Cheng, Takacs, James M

“…A two-point binding mechanism for the cationic rhodium­(I)-catalyzed carbonyl-directed catalytic asymmetric hydroboration of a cyclic γ,δ-unsaturated amide is…”
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γ-Selective directed catalytic asymmetric hydroboration of 1,1-disubstituted alkenes by Smith, Sean M, Hoang, Gia L, Pal, Rhitankar, Bani Khaled, Mohammad O, Pelter, Liberty S W, Zeng, Xiao Cheng, Takacs, James M

“…Directed catalytic asymmetric hydroborations of 1,1-disubstituted alkenes afford γ-dioxaborato amides and esters in high enantiomeric purity (90-95% ee)…”
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Ab initio kinetics of OH-initiated oxidation of naphthalene: A comprehensive revisited study by Nguyen, Loc T., Mai, Tam V.-T., Tran, Uyen N.-P., Hoang, Gia-Huy L., Huynh, Lam K.

“…Naphthalene, the most prevalent and smallest member of the Polycyclic Aromatic Hydrocarbons (PAHs) family, has garnered significant scientific attention for…”
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The reward positivity as a predictor of first lifetime onsets of depression, anxiety, and suicidal ideation in high-risk adolescents by Hoang, Gia-Huy L., Hecker, Kent G., Maxey, Connor, Burles, Ford, Krigolson, Olave E., Kopala-Sibley, Daniel C.

“…Reduced reward Positivity (RewP), an electroencephalography (EEG) marker elicited by feedback indicating reward, has been associated with an increased risk for…”
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Association between ACE I/D gene polymorphism and coronary artery lesion characteristics in patients with acute myocardial infarction by Tran Cong, D, Le Gia Hoang, L, Do Duc, M, Thai Thanh, T, Hoang Van, S, Truong Quang, B

“…Abstract Funding Acknowledgements Type of funding sources: None. Background Acute myocardial infarction (AMI) remains a public health issue with high morbidity…”
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Enantioselective γ-borylation of unsaturated amides and stereoretentive Suzuki-Miyaura cross-couplingElectronic supplementary information (ESI) available: Catalyst optimization data; experimental procedures; compound characterization data; spectra. See DOI: 10.1039/c7sc01093a by Hoang, Gia L, Takacs, James M

“…The rhodium-catalyzed, directed catalytic asymmetric hydroboration of γ,δ-unsaturated amides affords a direct route to chiral acyclic secondary γ-borylated…”
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Enantioselective γ-borylation of unsaturated amides and stereoretentive Suzuki–Miyaura cross-coupling† †Electronic supplementary information (ESI) available: Catalyst optimization data; experimental procedures; compound characterization data; spectra. See DOI: 10.1039/c7sc01093a by Hoang, Gia L., Takacs, James M.

“…Amide-directed CAHB provides a direct route to chiral acyclic secondary γ-borylated carbonyl compounds which undergo a variety of stereospecific…”
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Enantioselective γ- and δ-Borylation of Unsaturated Carbonyl Derivatives: Synthesis, Mechanistic Insights, and Applications by Hoang, Gia L

“…Chiral boronic esters are valuable synthetic intermediates widely used in a variety of stereospecific transformations. Transition metal-catalyzed asymmetric…”
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