Search Results - "O’Brien, Richard A"

Fluid-Mosaic Model, Homeoviscous Adaptation, and Ionic Liquids: Dramatic Lowering of the Melting Point by Side-Chain Unsaturation by Murray, Samuel M, O'Brien, Richard A, Mattson, Kaila M, Ceccarelli, Christopher, Sykora, Richard E, West, Kevin N, Davis, James H. Jr

“…Defying conventional wisdom: Ionic liquids (ILs) with long, unsaturated alkyl appendages (see top structure) defy established trends that link long ion‐bound…”
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On the Formation of a Protic Ionic Liquid in Nature by Chen, Li, Mullen, Genevieve E., Le Roch, Myriam, Cassity, Cody G., Gouault, Nicolas, Fadamiro, Henry Y., Barletta, Robert E., O'Brien, Richard A., Sykora, Richard E., Stenson, Alexandra C., West, Kevin N., Horne, Howard E., Hendrich, Jeffrey M., Xiang, Kang Rui, Davis Jr, James H.

“…The practical utility of ionic liquids (ILs) makes the absence (heretofore) of reported examples from nature quite puzzling, given the facility with which…”
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Porous Solids Impregnated with Task-Specific Ionic Liquids as Composite Sorbents by Ruckart, K. Neil, O’Brien, Richard A, Woodard, Seth M, West, Kevin N, Glover, T. Grant

“…This work examines six task-specific ionic liquids (TSILs), comprised of the taurinate anion paired with five tetraalkylammonium cations (where alkyl = methyl,…”
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Physical and Electrochemical Analysis of N‑Alkylpyrrolidinium-Substituted Boronium Ionic Liquids by Stachurski, Christopher D., Cosby, Tyler, Crowley, Margaret E., Larm, Nathaniel E., Ballentine, Mollie G., O’Brien, Richard A., Zeller, Matthias, Salter, E. Alan, Wierzbicki, Andrzej, Trulove, Paul C., Durkin, David P.

“…In this work, a series of novel boronium-bis­(trifluoromethylsulfonyl)­imide [TFSI–] ionic liquids (IL) are introduced and investigated. The boronium cations…”
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Correction: Ionic liquids of superior thermal stability. Validation of PPh 4 + as an organic cation of impressive thermodynamic durability by Soltani, Mohammad, McGeehee, Jimmie L, Stenson, Alexandra C, O'Brien, Richard A, Duranty, Edward R, Salter, E Alan, Wierzbicki, Andrzej, Glover, T Grant, Davis, Jr, James H

“…[This corrects the article DOI: 10.1039/D0RA03220D.]…”
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Cyclopropane as an Unsaturation “Effect Isostere”: Lowering the Melting Points in Lipid-like Ionic Liquids by O’Brien, Richard A., Hillesheim, Patrick C., Soltani, Mohammad, Badilla-Nunez, Kelly J., Siu, Ben, Musozoda, Muhammadiqboli, West, Kevin N., Davis, James H., Mirjafari, Arsalan

“…The replacement of unsaturation with a cyclopropane motif as a (bio)­isostere is a widespread strategy in bacteria to tune the fluidity of lipid bilayers and…”
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Ethane and Ethylene Solubility in an Imidazolium-Based Lipidic Ionic Liquid by Green, Blane D, O’Brien, Richard A, Davis, James H, West, Kevin N

“…The solubilities of ethane and ethylene in the lipidic ionic liquid 1-(Z-octadec-9-enyl)-3-methylimidazolium bistriflimide are measured at 298, 313, and 333 K…”
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Lipidic ionic liquid stationary phases for the separation of aliphatic hydrocarbons by comprehensive two-dimensional gas chromatography by Nan, He, Zhang, Cheng, O’Brien, Richard A., Benchea, Adela, Davis, James H., Anderson, Jared L.

“…•Lipidic ILs were applied as stationary phases for GC×GC separations.•Eleven lipidic ILs with various structural features were examined.•The palmitoleyl…”
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Solubility of CO2 and N2O in an Imidazolium-Based Lipidic Ionic Liquid by Langham, Jacob V, O’Brien, Richard A, Davis, James H, West, Kevin N

“…Imidazolium-based ionic liquids have been extensively studied for their ability to dissolve a wide variety of gases and for their potential to be used as…”
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Synthesis of New Lipid-Inspired Ionic Liquids by Thiol-ene Chemistry: Profound Solvent Effect on Reaction Pathway by Mirjafari, Arsalan, O'Brien, Richard A., West, Kevin N., Davis Jr, James H.

“…The synthesis of a series of new lipid‐inspired ionic liquids through thiol‐ene “click” reaction with a single‐step process. This synthesis offers considerable…”
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The Effect of the Sulfur Position on the Melting Points of Lipidic 1‑Methyl-3-Thiaalkylimidazolium Ionic Liquids by O’Brien, Richard A, Mirjafari, Arsalan, Mattson, Kaila M, Murray, Samuel M, Mobarrez, Niloufar, Salter, E. Alan, Wierzbicki, Andrzej, Davis, James H, West, Kevin N

“…A series of novel lipid-inspired ionic liquids have been synthesized employing the thiol–ene “click” reaction in a single-step process. The thermal properties…”
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Ionic liquids of superior thermal stability. Validation of PPh 4 + as an organic cation of impressive thermodynamic durability by Soltani, Mohammad, McGeehee, Jimmie L, Stenson, Alexandra C, O'Brien, Richard A, Duranty, Edward R, Salter, E Alan, Wierzbicki, Andrzej, Glover, T Grant, Davis, Jr, James H

“…Recent work by Wasserscheid, suggests that PPh is an organic molecular ion of truly exceptional thermal stability. Herein we provide data that cements that…”
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Correction: Ionic liquids of superior thermal stability. Validation of PPh4+ as an organic cation of impressive thermodynamic durability by Soltani, Mohammad, McGeehee, Jimmie L, Stenson, Alexandra C, O'Brien, Richard A, Duranty, Edward R, Salter, E Alan, Wierzbicki, Andrzej, T Grant Glover, Davis, James H

“…Correction for ‘Ionic liquids of superior thermal stability. Validation of PPh4+ as an organic cation of impressive thermodynamic durability’ by Mohammad…”
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Fusion and Thermal Degradation Behavior of Symmetric Sulfur-Containing Quaternary Ammonium Bromides by Huynh, Thai L. Y, Poiroux, Kaitlyn, O’Brien, Richard A, West, Kevin N, Davis, James H, West, Christy Wheeler

“…Quaternary ammonium salts are widely used in consumer products and industrial processes, where their instability at elevated temperatures limits their range of…”
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Thermophysical Properties of Imidazolium-Based Lipidic Ionic Liquids by Murray, Samuel M, Zimlich, T. Kyle, Mirjafari, Arsalan, O’Brien, Richard A, Davis, James H, West, Kevin N

“…The thermophysical properties of three lipidic ionic liquids, 1-oleyl-3-methylimidazolium bistriflimide, 1-elaidyl-3-methylimidazolium bistriflimide, and…”
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Ionic liquids of superior thermal stability. Validation of PPh4+ as an organic cation of impressive thermodynamic durability by Soltani, Mohammad, McGeehee, Jimmie L, Stenson, Alexandra C, O'Brien, Richard A, Duranty, Edward R, Salter, E Alan, Wierzbicki, Andrzej, T Grant Glover, Davis, James H

“…Recent work by Wasserscheid, et al. suggests that PPh4+ is an organic molecular ion of truly exceptional thermal stability. Herein we provide data that cements…”
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Functionalized ionic liquids with highly polar polyhydroxylated appendages and their rapid synthesis via thiol-ene click chemistry by O’Brien, Richard A., Mirjafari, Arsalan, Jajam, Vijayakumari, Capley, Erin N., Stenson, Alexandra C., West, Kevin N., Davis, James H.

“…The thiol-ene ‘click’ reaction of 1-thioglycerol with ionic liquids incorporating cations bearing appended vinyl- and/or allyl groups is a versatile,…”
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Synthesis and thermophysical properties of ionic liquids: cyclopropyl moieties versus olefins as Tm-reducing elements in lipid-inspired ionic liquids by Kwan, Man-Lung, Mirjafari, Arsalan, McCabe, John R., O’Brien, Richard A., Essi, David F., Baum, Leah, West, Kevin N., Davis, James H.

“…Cyclopropyl moieties embedded in the long aliphatic side chains of imidazolium-type ionic liquids are shown to be highly effective in lowering the Tm of such…”
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Impact of sulfur heteroatoms on the activity of quaternary ammonium salts as phase transfer catalysts for nucleophilic displacement reactions by West, Christy Wheeler, O’Brien, Richard A., Salter, E. Alan, Hollingsworth, Brian E., Huynh, Thai L., Sweat, Rachel E., Griffin, Nathan J., Wierzbicki, Andrzej, Davis, James H.

“…[Display omitted] •Novel thiaalkylammonium salts show potential as phase-transfer catalysts.•The sulfur in the thiaalkyl chains increases the strength of ion…”
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Use of highly reactive zinc leads to a new, facile synthesis for polyarylenes by Chen, Tian An, O'Brien, Richard A, Rieke, Reuben D

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