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Trapping a Labile Adduct Formed between an ortho-Quinone Methide and 2′-Deoxycytidine

Autor: Yiu-Fai Lam, Steven E. Rokita, Michael P. McCrane, Ying Lin, Emily E. Weinert, Peter F. Scholl, Eugene P. Mazzola

Publikováno v: Organic Letters. 13:1186-1189

Selective oxidation by bis[(trifluoroacetoxy)iodo]benzene (BTI) provides an effective trap for quenching adducts formed reversibly between dC and an ortho-quinone methide (QM) under physiological conditions. A model adduct generated by 4-methyl-o-QM

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::924033622e5ef03fae46f5db12d99e7d
https://doi.org/10.1021/ol200071p

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Prefluorescent Nitroxide Probe for the Highly Sensitive Determination of Peroxyl and Other Radical Oxidants

Autor: Yu Tang, Sarah A. Green, Yiu-Fai Lam, Neil V. Blough, Min Jia

Publikováno v: Analytical Chemistry. 81:8033-8040

Fluorescamine derivatized 3-amino-2,2,5,5,-tetramethyl-1-pyrrolidinyloxy (I) is shown to undergo an irreversible reaction with peroxyl radicals and other radical oxidants to generate a more highly fluorescent diamagnetic product (II) and thus can be

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9f6387720ca6d9c09c056ca016e963df
https://doi.org/10.1021/ac901374m

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Cluster Growth and Fragmentation in the Highly Fluxional Platinum Derivatives of Sn94-: Synthesis, Characterization, and Solution Dynamics of Pt2@Sn174- and Pt@Sn9H3

Autor: Banu Kesanli, Yiu-Fai Lam, James C. Fettinger, Jordan E. Halsig, Bryan W. Eichhorn, Peter Y. Zavalij

Publikováno v: Journal of the American Chemical Society. 129:4567-4574

Sn94- reacts with Pt(PPh3)4 in ethylenediamine/toluene solvent mixtures in the presence of 2,2,2-cryptand to give four different complexes: “Rudolph's complex” of proposed formula [Sn9Pt(PPh3)x]4- (2), the previously reported [Pt@Sn9Pt(PPh3)]2- i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f1c42fae838725be1bb16f71657c04cd
https://doi.org/10.1021/ja065764e

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Wi-Fi Access Point Roaming: Challenges and Potential Solutions

Autor: Hai-Ning Liang, Yiu Fai Lam, Dawei Liu, David Olalekan Afolabi, Lianyuan Wang, Charles Fleming, Ka Lok Man, Moncef Tayahi, Yuxuan Zhao

Publikováno v: NBiS

As functionalities in mobile devices have increased significantly in recent years, they have become primary means for staying connected through emails, instant messaging, voice and video calls. These services rely on mobile networks data connection o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c310a03a25fa6850d1d4ad25c1fc7d87
https://doi.org/10.1109/nbis.2015.27

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Cyclometalated Products of [(COE)2RhCl]2 and 1,3-(RSCH2)2C6H4 (R = tBu, iPr) Are Dimeric. Synthesis, Molecular Structures, and Solution Dynamics of [μ-ClRh(H)(RSCH2)2C6H3-2,6]2

Autor: Tracie L. Williams, James C. Fettinger, Esther W. Chege, Daniel R. Evans, W. Michael Seganish, Mingsheng Huang, Yiu-Fai Lam

Publikováno v: Inorganic Chemistry. 41:2633-2641

Two tridentate thioether pincer ligands, 1,3-(RSCH 2 ) 2 C 6 H 4 (R = t Bu, 1a; R = r Pr, 1b) underwent cyclometalation using [(COE) 2 RhCl] 2 in air/moisture-free benzene at room temperature. The resultant complexes, [μ-ClRh(H)-(RSCH 2 ) 2 C 6 H 3

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::be1fef30b0292cd34ebad7c7b9f27218
https://doi.org/10.1021/ic011189y

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Cation-directed self-assembly of lipophilic nucleosides: the cation's central role in the structure and dynamics of a hydrogen-bonded assembly

Autor: Yiu-Fai Lam, Valdimir Sidorov, Daniele Fabris, Jeffery T. Davis, Xiaodong Shi, Mangmang Cai

Publikováno v: Tetrahedron. 58:661-671

This paper focuses on the cation's central role in controlling the self-assembly of a lipophilic nucleoside, isoguanosine (isoG) 2 , in organic solvents. First, we use 1H NMR spectroscopy to show that a Ba2+ cation directs a mixture of the isomers is

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::048e0d6bfd0dbb78fa4bbe6794cf0a15
https://doi.org/10.1016/s0040-4020(01)01101-2

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One-Step Convergent Synthesis of the Steroid Ring System via the Coupling of γ,δ-Unsaturated Fischer Carbene Complexes with o-Ethynylbenzaldehyde

Autor: Yiu-Fai Lam, James W. Herndon, Binay K. Ghorai

Publikováno v: Organic Letters. 3:3535-3538

[reaction: see text]. Simultaneous and stereoselective construction of the steroid B and C rings is observed in a tandem process involving the coupling of o-ethynylbenzaldehyde with 2-alkenylcyclopentylcarbene-chromium complexes.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b5d970d73fb6a1ec1c4f21d8ad6ce187
https://doi.org/10.1021/ol0166404

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Atranones A–G, from the toxigenic mold Stachybotrys chartarum

Autor: Eugene P. Mazzola, Yiu-Fai Lam, Bruce B. Jarvis, Simon F.R. Hinkley, James C. Fettinger

Publikováno v: Phytochemistry. 55:663-673

Atranones A-G have been isolated from the toxigenic fungus Stachybotrys chartarum. These compounds contain several unusual features including an enol-lactone as part of a 3,7-dioxabicyclo[3.3.0]octane-2-one ring system fused to an 11-membered ring. T

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e2b9243321a255cd0f22e3d534ab67b4
https://doi.org/10.1016/s0031-9422(00)00231-4

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