Výsledky vyhledávání - "Justin K. Wyatt"

Vibrational spectra, quantum chemical calculations and spectral assignments of 1,1-difluoro-1-silacyclohexane

Autor: Horace W. Dukes, Gamil A. Guirgis, Claus J. Nielsen, Justin K. Wyatt, Valdemaras Aleksa, Anne Horn, Peter Klaeboe

Publikováno v: Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 136:51-57

Raman spectra of 1,1-difluoro-1-silacyclohexane as a liquid, and as a solid at 78 K were recorded and depolarization data obtained. The infrared spectra of the vapour, liquid and amorphous and crystalline solids have been studied. In the low temperat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fba79a880f282fec075f734bc70cad32
https://doi.org/10.1016/j.saa.2013.10.058

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Microwave, infrared, and Raman spectra, structural parameters, vibrational assignments and theoretical calculations of 1,3-disilacyclopentane

Autor: Nathan A. Seifert, Bhushan S. Deodhar, Ikhlas D. Darkhalil, Joshua J. Klaassen, Horace W. Dukes, Brooks H. Pate, Michael B. Kruger, James R. Durig, Justin K. Wyatt, Gamil A. Guirgis

Publikováno v: Journal of Molecular Structure. 1049:400-408

The FT-microwave spectrum of 1,3-disilacyclopentane (c-C3H6Si2H4) has been recorded and 99 transitions for five isotopologues have been assigned for the twist form. The ground state rotational constants were determined from these assignments with fol

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https://doi.org/10.1016/j.molstruc.2013.06.042

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Microwave, infrared, and Raman spectra, structural parameters, vibrational assignments and theoretical calculations of 1,1,3,3-tetrafluoro-1,3-disilacyclopentane

Autor: Ikhlas D. Darkhalil, Nathan A. Seifert, Joseph A. Crow, Brooks H. Pate, Horace W. Dukes, Gamil A. Guirgis, Joshua J. Klaassen, Bhushan S. Deodhar, James R. Durig, Justin K. Wyatt

Publikováno v: Chemical Physics. 416:33-42

The FT-microwave spectrum of 1,1,3,3-tetrafluoro-1,3-disilacyclopentane ( c -C 3 H 6 Si 2 F 4 ) has been recorded and 339 transitions for 6 isotopologues have been assigned for the twist conformation. The ground state rotational constants were determ

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a078d037ab298beae14e14e3c18f0ceb
https://doi.org/10.1016/j.chemphys.2013.03.002

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Infrared and Raman spectra, conformations, quantum chemical calculations and spectral assignments of 1-methyl-1-silacyclohexane

Autor: Justin K. Wyatt, Horace W. Dukes, Anne Horn, Valdemaras Aleksa, Peter Klaeboe, Gamil A. Guirgis, Claus J. Nielsen

Publikováno v: Journal of Molecular Structure. 1034:207-215

Raman spectra of of 1-methyl-1-silacyclohexane as a liquid were recorded at 293 K and depolarization data obtained. Additional Raman spectra were recorded at various temperatures between 293 and 143 K, and intensity changes with temperature of certai

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9bb480bf4ebb4b91fcbae1f7d865d48a
https://doi.org/10.1016/j.molstruc.2012.10.045

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Conformational and structural studies of cyclobutylsilane from temperature dependent infrared spectra of xenon solutions and ab initio calculations

Autor: Savitha S. Panikar, Joshua J. Klaassen, James R. Durig, Justin K. Wyatt, Horace W. Dukes, Gamil A. Guirgis

Publikováno v: Journal of Molecular Structure. 1032:254-264

The infrared spectra (3500–220 cm −1 ) in the gas phase of cyclobutylsilane, c-C 4 H 7 SiH 3 has been recorded. Variable temperature (−65 to −100 °C) studies of the infrared spectra (3500–400 cm −1 ) dissolved in liquid xenon have been c

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https://doi.org/10.1016/j.molstruc.2012.09.014

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Conformational, vibrational, and structural studies of 2,2,3,3,3-pentafluoropropylamine from Raman and infrared spectra of gas, liquid, xenon solutions, and solid supported by ab initio calculations

Autor: Joshua J. Klaassen, Arindam Ganguly, Ikhlas D. Darkhalil, Gamil A. Guirgis, James R. Durig, Justin K. Wyatt

Publikováno v: Journal of Raman Spectroscopy. 43:116-126

The Raman and infrared spectra (3500–50 cm−1) of the gas, liquid or solution, and solid were recorded of 2,2,3,3,3-pentafluoropropylamine (CF3CF2CH2NH2) and the ND2 isotopomer. Variable temperature (−55 to − 100 °C) studies of the infrared s

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https://doi.org/10.1002/jrs.2993

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Studies of microwave-enhanced Suzuki–Miyaura vinylation of electron-rich sterically hindered substrates utilizing potassium vinyltrifluoroborate

Autor: Dena R. Hodges, Stefan M. Cooper, Rhiannon R. Carter, Matthew D. Brooker, Justin K. Wyatt

Publikováno v: Tetrahedron Letters. 51:6748-6752

The Suzuki-Miyaura cross-coupling of sterically hindered and electron-rich ortho,ortho’-substituted aryl halides with potassium vinyltrifluoroborate utilizing microwave irradiation has been conducted while adjusting solvent ratio, irradiation time,

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https://doi.org/10.1016/j.tetlet.2010.10.087

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Initial investigation into the Suzuki–Miyaura vinylation of hindered aryl bromides utilizing potassium vinyltrifluoroborate

Autor: Rhiannon R. Carter, Justin K. Wyatt

Publikováno v: Tetrahedron Letters. 47:6091-6094

An initial study of the Suzuki–Miyaura cross-coupling of potassium vinyltrifluoroborate (2) and hindered aryl bromides is presented. Coupling of benzyl 3,5-bis(benzyloxy)-4-bromobenzoate (1) leads to a mixture of the desired styrene derivative, and

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https://doi.org/10.1016/j.tetlet.2006.06.083

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Synthesis and Protein Degradation Capacity of Photoactivated Enediynes

Autor: George Hynd, Graham B. Jones, Yiqing Lin, Ajay Purohit, Curtis F. Crasto, Ahmed El-Shafey, Gary W. Plourde, Justin K. Wyatt, Justin M. Wright, Farid S. Fouad

Publikováno v: The Journal of Organic Chemistry. 70:9789-9797

[structure: see text] The viability of proteins as targets of thermally and photoactivated enediynes has been confirmed at the molecular level. Model studies using a labeled substrate confirmed the efficacy of atom transfer from diyl radicals produce

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https://doi.org/10.1021/jo051403q

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