Search Results - "Negrete, George R."

Chemical Modification of Ginsenoside on Cell Viability and Cytokine Secretion by Betts-Obregon, Brandi S, Salinas, Magaly, Oladunni, Dale, Negrete, George R, Tsin, Andrew T

“…Rb1 is a ginsenoside steroid glycoside found exclusively in the plant Panax ginseng. In an earlier report, we showed that Rb1 increased cell proliferation and…”
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Characterization of novel perylene diimides containing aromatic amino acid side chains by Farooqi, Mohammed J., Penick, Mark A., Burch, Jessica, Negrete, George R., Brancaleon, Lorenzo

“…Perylene diimide derivatives have attracted initial interest as industrial dyes. Recently, much attention has been focused on their strong π−π stacks resulting…”
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Human serum albumin as vehicle for the solubilization of perylene diimides in aqueous solutions by Farooqi, Mohammed J., Penick, Mark A., Negrete, George R., Brancaleon, Lorenzo

“…•First investigation of the interaction between PDIs substituted with amino acid residues, and a globular protein.•Only two of the four PDIs interact with…”
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Interaction of Human Serum Albumin with Novel 3,9-Disubstituted Perylenes by Farooqi, Mohammed J., Penick, Mark A., Negrete, George R., Brancaleon, Lorenzo

“…Human serum albumin (HSA) has been used as a model for the binding of a number of different ligands, including polyaromatic hydrocarbons, to proteins. In this…”
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Novel Asparagine-Derived Lipid Enhances Distearoylphosphatidylcholine Bilayer Resistance to Acidic Conditions by Mfuh, Adelphe M, Mahindaratne, Mathew P. D, Quintero, Maritza V, Lakner, Frederick J, Bao, Ande, Goins, Beth A, Phillips, William T, Negrete, George R

“…A novel asparagine-derived lipid analogue (ALA11,17) bearing a tetrahydropyrimidinone headgroup and two fatty chains (11 and 17 indicate the lengths of linear…”
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The photophysical characterisation of novel 3,9-dialkyloxy- and diacyloxyperylenes by Fuini, John F., Surampudi, Anand B., Penick, Mark A., Mahindaratne, Mathew P.D., Negrete, George R., Brancaleon, Lorenzo

“…The fundamental photophysical properties of three symmetrically substituted 3,9-perylene analogues were examined in a diverse range of solvents. All three…”
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Benzo[a]pyrene Diol Epoxide-DNA Cis Adduct Formation through a Trans Chlorohydrin Intermediate by Meehan, Thomas, Wolfe, Alan R., Negrete, George R., Song, Qi

“…Alkylation of DNA by 7r,8t-dihydroxy,9t,10t-epoxy-7,8,9,10-tetrahydrobenzo[a]pyrene (anti-BPDE) forms mainly trans adducts (with respect to the C-9/10…”
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Tandem Friedel−Crafts Annulation to Novel Perylene Analogues by Penick, Mark A, Mahindaratne, Mathew P. D, Gutierrez, Robert D, Smith, Terrill D, Tiekink, Edward R. T, Negrete, George R

“…Novel dialkyloxy- and dihydroxyoctahydroperylenes are regioselectively available via a new tandem Friedel−Crafts alkylation of tetrahydronaphthalene precursors…”
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Claisen rearrangement route to novel electron-rich perylene dyes by Baffoe, Djan, Smith, Terrill D., Penick, Mark A., Mahindaratne, Mathew P. D., Brancaleon, Lorenzo, Negrete, George R.

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One-pot reductive cyclization to antitumor quinazoline precursors by Kundu, Sandip K., Mahindaratne, Mathew P. D., Quintero, Maritza V., Bao, Ande, Negrete, George R.

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4,10-Diallyloxy-1,2,3,6b,7,8,9,12b-octahydroperylene by Smith, Terrill D., Mahindaratne, Mathew P. D., Penick, Mark A., Negrete, George R., Daniels, Lee M., Tiekink, Edward R. T.

“…In the title compound, C26H28O2, the central atoms are coplanar, with the –CH2—CH2– links of the cyclohexene groups lying to either side of…”
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Asymmetric total synthesis of (+)-jasplakinolide by Chu, Kent S, Negrete, George R, Konopelski, Joseph P

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A fully-telescoped, aqueous, auxiliary-mediated asymmetric transformation by Mahindaratne, Mathew P.D., Quiñones, Brian A., III, Antonio Recio, Rodriguez, Erik A., Lakner, Frederick J., Negrete, George R.

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Pyrimidinone conjugates for the assignment of the absolute configuration of α-chiral carboxylic acids by 1H-NMR by Murray, Robert S., Boyd, Vincent A., Lynch, Vincent M., Negrete, George R.

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Self-reproduction of chirality. Asymmetric synthesis of .beta.-aryl-.beta.-amino acids from enantiomerically pure dihydropyrimidinones by Konopelski, Joseph P, Chu, Kent S, Negrete, George R

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Synthesis and Characterization of Bay Region Halohydrins Derived from Benzo[a]pyrene Diol Epoxide and Their Role as Intermediates in Halide-Catalyzed Cis Adduct Formation by Song, Qi, Negrete, George R, Wolfe, Alan R, Wang, Keshi, Meehan, Thomas

“…The bay region epoxide of benzo[a]pyrene (anti-BPDE) alkylates DNA to form adducts with >98% trans stereochemistry. Halide ions catalyze this reaction;…”
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A Tribute to Prof. B. S. Thyagarajan by Negrete, Professor George R., Bakthadoss, Dr. Manickam

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Design and Implementation of New Auxiliaries for Asymmetric Enolate Alkylations by Boyd, Vincent A, Perales, Joe B, Negrete, George R

“…Implementation of new, highly enantioenriched heterocycles for use in auxiliary-supported asymmetric alkylations is detailed. These new auxiliaries proved…”
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Enantiomerically pure dihydropyrimidinones as reagents and auxiliaries for asymmetric synthesis by Chu, Kent S, Negrete, George R, Konopelski, Joseph P, Lakner, Frederick J, Woo, Nam Tae, Olmstead, Marilyn M

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4,10-Diall-yloxy-1,2,3,6b,7,8,9,12b-octa-hydro-perylene by Smith, Terrill D, Mahindaratne, Mathew P D, Penick, Mark A, Negrete, George R, Daniels, Lee M, Tiekink, Edward R T

“…In the title compound, C(26)H(28)O(2), the central atoms are coplanar, with the -CH(2)-CH(2)- links of the cyclo-hexene groups lying to either side of the…”
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