Search Results - "Olah, G. A."

100 years of carbocations and their significance in chemistry by Olah, G A

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Regioselective Conversion of Arylboronic Acids to Phenols and Subsequent Coupling to Symmetrical Diaryl Ethers by Simon, Jürgen, Salzbrunn, Stefan, Surya Prakash, G. K, Petasis, Nicos A, Olah, George A

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Method of oriented circular dichroism by Wu, Y., Huang, H.W., Olah, G.A.

“…We present a new method for determining the orientation of alpha-helical sections of proteins or peptides in membrane. To apply this method, membranes…”
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Acid-Catalyzed Isomerization of Pivalaldehyde to Methyl Isopropyl Ketone via a Reactive Protosolvated Carboxonium Ion Intermediate by Olah, George A, Mathew, Thomas, Marinez, Eric R, Esteves, Pierre M, Etzkorn, Markus, Rasul, Golam, Prakash, G. K. Surya

“…Quantitative rearrangement of pivalaldehyde to methyl isopropyl ketone is observed in acids such as trifluoromethanesulfonic acid, anhydrous HF, and…”
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Solution structure of the cAMP-dependent protein kinase catalytic subunit and its contraction upon binding the protein kinase inhibitor peptide by Olah, G. A, Mitchell, R. D, Sosnick, T. R, Walsh, D. A, Trewhella, J

“…Small-angle X-ray scattering and Fourier transform infrared (FTIR) spectroscopy experiments have been completed on the catalytic subunit of the cAMP-dependent…”
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Leucine/isoleucine/valine-binding protein contracts upon binding of ligand by OLAH, G. A, TRAKHANOV, S, TREWHELLA, J, QUIOCHO, F. A

“…Small-angle x-ray scattering and computer modeling have been used to study the effects of ligand binding to the leucine/isoleucine/valine-binding protein, an…”
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Existence of the Halocarbonyl and Trifluoromethyl Cations in the Condensed Phase by Christe, K. O, Hoge, B, Boatz, J. A, Prakash, G. K. S, Olah, G. A, Sheehy, J. A

“…Experimental and theoretical studies show that neither CF3 + nor FCO+ can be stabilized in the condensed phase with presently known Lewis acids. In the case of…”
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Mutagenicity studies of methyl- tert-butylether using the Ames tester strain TA102 by Williams-Hill, Donna, Spears, Colin Paul, Prakash, Surya, Olah, George A., Shamma, Tatyana, Moin, Tannaz, Kim, Luci Y., Hill, Colin K.

“…Methyl- tert-butylether (MTBE) is an oxygenate widely used in the United States as a motor vehicle fuel additive to reduce emissions and as an octane booster…”
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Performance of dimethoxymethane and trimethoxymethane in liquid-feed direct oxidation fuel cells by Prakash, G.K.S., Smart, M.C., Olah, G.A., Narayanan, S.R., Chun, W., Surampudi, S., Halpert, G.

“…The present study involves the evaluation of dimethoxymethane (DMM) (formaldehyde dimethyl acetal, or methylal) and trimethoxymethane (TMM) (trimethyl…”
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Location of ion-binding sites in the gramicidin channel by X-ray diffraction by Olah, G A, Huang, H W, Liu, W H, Wu, Y L

“…We report the first X-ray diffraction on gramicidin in its membrane-active form by using uniformly aligned multilayer samples of membranes containing…”
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Asymmetric Synthesis of Trifluoromethylated Allylic Amines Using α,β-Unsaturated N-tert-Butanesulfinimines by Prakash, G. K. Surya, Mandal, Mihirbaran, Olah, George A

“…The trifluoromethide ion generated in situ from TMSCF3 and TBAT (tetrabutylammonium triphenyldifluorosilicate), as well as TMAF (tetramethylammonium fluoride),…”
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Cyclic electron delocalization in hydrocarbon cages: Pagodanes, isopagodanes, (bisseco/seco-)dodecahedradienes by Prinzbach, H., Gescheidt, G., Martin, H.-D., Herges, R ., Heinze, J., Prakash, G. K. Surya, Olah, G. A.

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Whither physical organic chemistry or to what degree does it really exist? A personal view by Olah, G. A.

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Protonated and methylated dimethyl sulfoxide cations and dications. DFT/GIAO-MP2 NMR studies and comparison with experimental data by Rasul, G, Prakash, G K, Olah, G A

“…Energies, electronic structures, and thermodynamics of protonated and methylated dimethyl sulfoxide (DMSO) cations and dications were calculated using the…”
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Friedel-Crafts reactions induced by heteropoly acids. Regioselective adamantyl substitution of aromatic compounds by BEREGSZASZI, T, TÖRÖK, B, MOLNAR, A, OLAH, G. A, SURYA PRAKASH, G. K

“…Heteropoly acid catalyzed adamantylation of aromatic compounds (toluene, anisole, fluoro- and bromobenzene) was studied. The catalysts applied were various…”
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4Ca2+.troponin C forms dimers in solution at neutral pH that dissociate upon binding various peptides : small-angle X-ray scattering studies of peptide-induced structural changes by BLECHNER, S. L, OLAH, G. A, STRYNADKA, N. C. J, HODGES, R. S, TREWHELLA, J

“…Small-angle X-ray scattering data have been measured for rabbit skeletal muscle troponin C and its complexes with the venom peptides melittin and mastoparan as…”
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Comparison of the Nitration of Polyfluoronitrobenzenes by Nitronium Salts in Superacidic and Aprotic Media: Activation of the Nitronium Ion by Protosolvation by Olah, George A., Laali, Kenneth K., Sandford, Graham

“…The reactivity of nitronium tetrafluoroborate in the nitration of deactivated di- and trifluoronitrobenzenes is enhanced in superacidic…”
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A Facile Stereocontrolled Synthesis of anti-α-(Trifluoromethyl)-β-amino Alcohols by Prakash, G. K. Surya, Mandal, Mihirbaran, Schweizer, Stefan, Petasis, Nicos A, Olah, George A

“…A short stereocontrolled preparation of anti-α-(trifluoromethyl)-β-amino alcohols is described, involving an initial CF3 transfer to cinnamaldehyde and a…”
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Uniformly oriented gramicidin channels embedded in thick monodomain lecithin multilayers by Huang, H.W., Olah, G.A.

“…Phosphatidylcholine multilayers, containing 20% water by total sample weight and gramicidin/lipid molar ratios up to 1:40 were aligned by low temperature…”
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Target discrimination by surface-immobilized molecular beacons designed to detect Francisella tularensis by Ramachandran, Akhilesh, Flinchbaugh, James, Ayoubi, Patricia, Olah, Glenn A., Malayer, Jerry R.

“…A molecular beacon (MB) array was designed based on unique regions of the 16S rRNA of the bacterium Francisella tularensis. Nucleic acid molecular beacons…”
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