Now showing items 21-40 of 140

  • Decarboxylative Arylation of Substituted Pyrroles N-protected with 2-(Trimethylsilyl) ethoxymethyl (SEM) 

    Figliola, C., Greening, S. M., Lamont, C., Groves, B. R., & Thompson, A. (2018). Decarboxylative arylation of substituted pyrroles N-protected with 2-(trimethylsilyl) ethoxymethyl (SEM). Canadian Journal of Chemistry, 96(6), 534-542. doi: https://doi.org/10.1139/cjc-2017-0402
    Palladium-catalyzed decarboxylative arylation is reported using pyrroles N-protected with the 2-(trimethylsilyl) ethoxymethyl (SEM) group and featuring 2-, 3- and 4-substituents about the pyrrolic framework. In contrast ...
  • Deductions about the Structure of Phase-Iii from Thermodynamic Measurements on Solid Isotopic Methanes 

    Reproduced from WHITE, MA, and JA MORRISON. 1979. "Deductions about the Structure of Phase-Iii from Thermodynamic Measurements on Solid Isotopic Methanes." Journal of Chemical Physics 70(12): 5384-5390, with the permission of AIP Publishing.
    No abstract available.
  • Density-operator theory of orbital magnetic susceptibility in periodic insulators 

    Gonze, X., and J. W. Zwanziger. 2011. "Density-operator theory of orbital magnetic susceptibility in periodic insulators." Physical Review B 84(6): 064445-064445. doi:10.1103/PhysRevB.84.064445
    The theoretical treatment of homogeneous static magnetic fields in periodic systems is challenging, as the corresponding vector potential breaks the translational invariance of the Hamiltonian. Based on density operators ...
  • Designing glass with non-dispersive stress-optic response 

    J. Galbraith, J.W. Zwanziger, Designing glass with non-dispersive stress-optic response, Journal of Non-Crystalline Solids, Volume 433, 1 February 2016, Pages 82-86, ISSN 0022-3093, http://dx.doi.org/10.1016/j.jnoncrysol.2015.11.027
    The dispersion of the stress-optic response of a series of barium and lead phosphate glasses is measured using an ellipsometric method. It is found that the barium glasses display consistently positive dispersion with ...
  • Deuteration and Tautomeric Reactivity of the 1-Methyl Functionality of Free-base Dipyrrins 

    Groves, B. R., Cameron, T. S., & Thompson, A. (2017). Deuteration and tautomeric reactivity of the 1-methyl functionality of free-base dipyrrins. Organic & biomolecular chemistry, 15(37), 7925-7935. DOI: 10.1039/C7OB01278K
    Regioselective reactivity of the 1-methyl group of free-base dipyrrins is explored, including discussion of tautomerism to provide exocyclic alkenyl reactivity. Deuterium is installed such as to generate dipyrrins substituted ...
  • Dynamics of anions and cations in cesium hydrogensulfide (CsHS, CsDS): Neutron and x-ray diffraction, calorimetry and proton NMR investigations 

    Reproduced from Haarmann, F., H. Jacobs, W. Kockelmann, J. Senker, et al. 2002. "Dynamics of anions and cations in cesium hydrogensulfide (CsHS, CsDS): Neutron and x-ray diffraction, calorimetry and proton NMR investigations." Journal of Chemical Physics 117(10): 4961-4972, with the permission of AIP Publishing.
    Protonated and deuterated samples of the hydrogensulfide of cesium were studied by high-resolution neutron powder diffraction, calorimetry and proton NMR investigations in a wide temperature range. Primarily due to ...
  • Eight-Membered Ring-Containing Jadomycins: Implications for Non-enzymatic Natural Products Biosynthesis 

    Published version: Robertson AW, Martinez-Farina CF, Smithen DA, Yin H, Monro S, Thompson A, McFarland SA, Syvitski RT, Jakeman DJ. (2015). Eight-Membered Ring-Containing Jadomycins: Implications for Non-enzymatic Natural Products Biosynthesis. Journal of the American Chemical Society, 137, 3271-3275. doi: 10.1021/ja5114672
  • Electrochemical route for the fabrication of alkanethiolate-capped gold nanoparticles 

    Zhang, P., PS Kim, and TK Sham. 2003. "Electrochemical route for the fabrication of alkanethiolate-capped gold nanoparticles." Applied Physics Letters 82(9): 1470-1472.
    No abstract available.
  • Energetics of Long Alkyl Chains Embedded in a Crystalline Matrix - (Normal-C18h37nh3)2cdcl4 

    Reproduced from WHITE, MA. 1984. "Energetics of Long Alkyl Chains Embedded in a Crystalline Matrix - (Normal-C18h37nh3)2cdcl4." Journal of Chemical Physics 81(12): 6100-6105, with the permission of AIP Publishing.
    No abstract available.
  • Explanation for the 4.8-V plateau LiCrxMn2-xO4 

    Obrovac, MN, Y. Gao, and JR Dahn. 1998. "Explanation for the 4.8-V plateau LiCrxMn2-xO4." Physical Review B 57(10): 5728-5733.
    Using the results of photoelectron spectroscopy (PES) measurements on LiCrxMn2-xO4 we provide an explanation for the origin of the 4.8-V plateau in Li/LiCrxMn2-xO4 cells. PES shows that the d bands derived from Mn 3d e(g) ...
  • Fabrication of thiol-capped Pd nanoparticles: An electrochemical method 

    Zhang, P., and TK Sham. 2003. "Fabrication of thiol-capped Pd nanoparticles: An electrochemical method." Applied Physics Letters 82(11): 1778-1780.
    No abstract available.
  • Facial selectivity in the 4 + 2 reactions of a diene derived from carvone 

    Morrison, Christopher F., Jamie P. Vaters, David O. Miller, and D. J. Burnell. 2006. "Facial selectivity in the 4 + 2 reactions of a diene derived from carvone." Organic and Biomolecular Chemistry 4(6): 1160-1165.
    The facial selectivities of cyclohexadienes bearing isopropenyl and isopropyl groups as plane-nonsymmetric substituents were assessed in 4 + 2 reactions with N-phenylmaleimide, tetracyanoethylene and 4-phenyl-1,2,4- ...
  • The first series of alkali dipyrrinato complexes 

    Ali, Adeeb Al-Sheikh, Judy Cipot-Wechsler, Sarah M. Crawford, Omar Selim, et al. 2010. "The first series of alkali dipyrrinato complexes." Canadian Journal of Chemistry-Revue Canadienne De Chimie 88(8): 725-735.
    The first series of alkali dipyrrinato complexes is reported, encompassing lithium, sodium, and potassium salts of meso-unsubstituted and meso-aryl-substituted derivatives. By varying the substituents at the meso position, ...
  • First-principles study of the nuclear quadrupole resonance parameters and orbital ordering in LaTiO3. 

    Zwanziger, J. W.. 2009. "First-principles study of the nuclear quadrupole resonance parameters and orbital ordering in LaTiO3.." Physical Review B: Condensed Matter and Materials Physics 79(3): 0331121-033112/4. doi:10.1103/PhysRevB.79.033112
    The electronic structure of the distorted perovskite LaTiO3 is studied using d.-functional theory, implemented with a projector-augmented wave formalism together with the local-d. approxn. plus Hubbard U-parameter (LDA+U) ...
  • Fractional Quantization of Molecular Pseudorotation in Na-3 

    DELACRETAZ, G., ER GRANT, RL WHETTEN, L. WOSTE, et al. 1986. "Fractional Quantization of Molecular Pseudorotation in Na-3." Physical Review Letters 56(24): 2598-2601. doi:10.1103/PhysRevLett.56.2598
    No abstract available.
  • Genomic analysis of stationary-phase and exit in Saccharomyces cerevisiae: Gene expression and identification of novel essential genes 

    Martinez, MJ, S. Roy, AB Archuletta, PD Wentzell, et al. 2004. "Genomic analysis of stationary-phase and exit in Saccharomyces cerevisiae: Gene expression and identification of novel essential genes." Molecular biology of the cell 15(12): 5295-5305. doi:10.1091/mbc.E03-11-0856
    Most cells on earth exist in a quiescent state. In yeast, quiescence is induced by carbon starvation, and exit occurs when a carbon source becomes available. To understand how cells survive in, and exit from this state, ...
  • The heat capacities of thermomiotic ScF3 and ScF3–YF3 solid solutions 

    Journal of Materials Science May 2015, Volume 50, Issue 9, pp 3409-3415
    Scandium trifluoride (ScF3) exists in a cubic ReO3 structure that exhibits negative thermal expansion from 10 to 1100 K, while substituted Sc1−x Y x F3 materials display the same behavior at room temperature but transition ...
  • Heat capacity of gadolinium near the Curie temperature. 

    Bednarz, Grzegorz, D. J. W. Geldart, and Mary Anne White. 1993. "Heat capacity of gadolinium near the Curie temperature.." Physical Review B: Condensed Matter and Materials Physics 47(21): 14247-14259. Copyright © 1993 American Physical Society.
    High-resoln. ac calorimetric data near the Curie point are reported for several single crystals of gadolinium. The crit. temp. and the shape of the heat-capacity curve near Tc both depend on the sample-prepn. procedure, ...
  • Heat capacity, lattice dynamics, and thermodynamic stability of the negative thermal expansion material HfMo2O8 

    Kennedy, Catherine A., Mary Anne White, Angus P. Wilkinson, and Tamas Varga. 2007. "Heat capacity, lattice dynamics, and thermodynamic stability of the negative thermal expansion material HfMo2O8." Physical Review B 75(22): 224302-224302. Copyright © 2007 American Physical Society.
    We explore the lattice dynamics of the negative thermal expansion material, cubic HfMo2O8, through analysis of its heat capacity (measured from 0.5 to 300 K) and its room-temperature Raman spectrum. Its heat capacity is ...
  • Heteroleptic zinc dipyrromethene complexes 

    Amiri, A., IM Comeau, and A. Thompson. 2006. "Heteroleptic zinc dipyrromethene complexes." Journal of Heterocyclic Chemistry 43(2): 431-435.
    H-1 NMR spectroscopy has been used to study the complexation of a per-alkyl dipyrromethene with zinc acetate. An intermediate, assigned to be the heteroleptic Zn(dipyrromethene) (acetate) complex, is observed under titration ...