Browsing Chemistry Faculty Research, Publications and Presentations by Title

Now showing items 1-20 of 140

  • Activation and Deprotection of F-BODIPYs using Boron Trihalides 

    Lundrigan, Travis, Cameron, T. Stanley, Thompson, Alison. (2014). Activation and deprotection of F-BODIPYs using boron trihalides. Chemical Communications, 50(53), 7028-7031. DOI: 10.1039/C4CC02706J
    The activation of F-BODIPYs with boron trihalides, followed by treatment with a nuclephile, effects facile substitution at boron; using water as the nucleophile promotes deprotective removal of the–BF2 moiety and thereby ...

  • Amorphous carbon nanowires investigated by near-edge-x-ray-absorption-fine-structures 

    Tang, YH, P. Zhang, PS Kim, TK Sham, et al. 2001. "Amorphous carbon nanowires investigated by near-edge-x-ray-absorption-fine-structures." Applied Physics Letters 79(23): 3773-3775.
    No abstract available.

  • Antimicrobial Activity of Non-natural Prodigiosenes 

    Marchal, E., Uddin, M. I., Smithen, D. A., Hawco, C. L. A., Lanteigne, M., Overy, D. P., ... & Thompson, A. (2013). Antimicrobial activity of non-natural prodigiosenes. Rsc Advances, 3(45), 22967-22971. DOI: 10.1039/c3ra45479g
    Tripyrrolic prodigiosenes, derivatives of the natural product prodigiosin, have been produced via multi-step synthesis beginning with 2-formyl pyrroles bearing various functionalities at the 4-position. Two tin complexes ...

  • Apparatus for dynamical thermal measurements of low-thermal diffusivity particulate materials at subambient temperatures 

    Murashov, VV, and MA White. 1998. "Apparatus for dynamical thermal measurements of low-thermal diffusivity particulate materials at subambient temperatures." Review of Scientific Instruments 69(12): 4198-4204.
    Apparatus for measurement of thermal diffusivity of particulate matter in the temperature range of 10-300 K is described. The basis of the measurement is modulated radial heat flow into a cylindrical sample, with a relatively ...

  • Asymmetric Dipyrrin and F-BODIPYs Conjugated to Terminal Alkynes and Alkenes 

    Published version: Figliola, C., Robertson, K., Greening, S., & Thompson, A. (2017). Asymmetric Dipyrrin and F-BODIPYs Conjugated to Terminal Alkynes and Alkenes. Journal of Organic Chemistry (June 24, 2017)

  • Asymmetric oxidation of 2-(arylsulfenyl)pyrroles 

    Thompson, Alison, Jose R. Garabatos-Perera, and H. Martin Gillis. 2008. "Asymmetric oxidation of 2-(arylsulfenyl)pyrroles." Canadian Journal of Chemistry-Revue Canadienne De Chimie 86(7): 676-681.
    The asymmetric oxidation of prochiral 2-(arylsulfenyl)pyrroles has been investigated. A marked electronic effect within the substrate significantly influenced the degree of enantioselectivity obtained, with very high enantio ...

  • Automated SDS depletion for mass spectrometry of intact membrane proteins through transmembrane electrophoresis 

    Kachuk C, Faulkner M, Liu F, Doucette AA. Automated SDS Depletion for Mass Spectrometry of Intact Membrane Proteins though Transmembrane Electrophoresis. J Proteome Res. 2016 Aug 5;15(8):2634-42. doi: 10.1021/acs.jproteome.6b00199. Copyright © 2016 American Chemical Society after peer review.
    Membrane proteins are underrepresented in proteome analysis platforms because of their hydrophobic character, contributing to decreased solubility. Sodium dodecyl sulfate is a favored denaturant in proteomic workflows, ...

  • Automated, low-temperature dielectric relaxation apparatus for measurement of air-sensitive, corrosive, hygroscopic, powdered samples 

    Bessonette, PWR, and MA White. 1999. "Automated, low-temperature dielectric relaxation apparatus for measurement of air-sensitive, corrosive, hygroscopic, powdered samples." Review of Scientific Instruments 70(7): 3113-3114.
    An automated apparatus for dielectric determinations on solid samples was designed to allow cryogenic measurements on air-sensitive, corrosive, hygroscopic, powdered samples, without determination of sample thickness, ...

  • Automated, small sample-size adiabatic calorimeter. 

    Van Oort, Michiel J. M., and Mary Anne White. 1987. "Automated, small sample-size adiabatic calorimeter.." Review of Scientific Instruments 58(7): 1239-1241.
    An automated adiabatic calorimeter is described with an internal vol. of 5 cm3, operable at 30-380 K. One of the main advantages of this calorimeter over others in use is the shorter down time during sample changes, due ...

  • A calorimetric investigation of the low-temperature phase transition in sodium hydroxide-d. 

    Reproduced from White, Mary Anne, and Stanley A. Moore. 1986. "A calorimetric investigation of the low-temperature phase transition in sodium hydroxide-d.." Journal of Chemical Physics 85(8): 4629-4632, with the permission of AIP Publishing.
    The heat capacity of NaOD from 20 to 350 K is reported. An anomaly centered at 153.2 ± 0.1 K (?H = 131.1 ± 0.7 J/mol, ?S = 0.864 ± 0.005 J/K.mol) corresponds to the onset of a low-temp. antiferroelec. phase. This ...

  • Calorimetric, Spectroscopic, and Structural Studies of Anhydrous Zinc Bromide 

    Reproduced from WHITE, MA, C. CHIEH, A. ANDERSON, and LAK STAVELEY. 1984. "Calorimetric, Spectroscopic, and Structural Studies of Anhydrous Zinc Bromide." Journal of Chemical Physics 80(3): 1254-1258, with the permission of AIP Publishing.
    No abstract available.

  • Celebrating the 200th anniversary of Dalhousie University in Halifax, Nova Scotia, Canada. 

    Thompson, A. (2018). Celebrating the 200th anniversary of Dalhousie University. Canadian Journal of Chemistry, 2018, 96(7): iii, https://doi.org/10.1139/cjc-2018-0190

  • Characterization of the Incommensurate Phase of [P(CH3)4]2CuCl4 

    PRESSPRICH, MR, MR BOND, RD WILLETT, and MA WHITE. 1989. "Characterization of the Incommensurate Phase of [P(CH3)4]2CuCl4." Physical Review B 39(5): 3453-3456. Copyright © 1989 American Physical Society.
    No abstract available.

  • Chemical Constituents from Stem Bark and Roots of Clausena anisata 

    Songue, Jules Lobe, , Etienne Dongo, Theophile Ngando Mpondo, et al. 2012. "Chemical Constituents from Stem Bark and Roots of Clausena anisata." Molecules 17(11): 13673-13686.
    Phytochemical investigations on the stem bark and roots of the tropical shrub Clausena anisata led to the isolation and characterization three carbazole alkaloids: girinimbine, murrayamine-A and ekeberginine; two peptide ...

  • Chiral molecules containing the pyrrole framework 

    Thirumalairajan, Srinath, Beth M. Pearce, and Alison Thompson. 2010. "Chiral molecules containing the pyrrole framework." Chemical Communications 46(11): 1797-1812.
    This review summarizes strategies by which chiral pyrroles, both simple and complex, have been prepared: strategies include formation of the pyrrolic ring using starting materials appended with chirality, as well as the ...

  • Chloride anion transport and copper-mediated DNA cleavage by C-ring functionalized prodigiosenes 

    Diaz, Rosa I. Saez, Jasmine Regourd, Paul V. Santacroce, Jeffery T. Davis, et al. 2007. "Chloride anion transport and copper-mediated DNA cleavage by C-ring functionalized prodigiosenes." Chemical Communications: 2701-2703.
    A new class of prodigiosenes with stability-enhancing functionalities appended to the C-ring were found to transport chloride anions through liposomal membranes, as well as to induce copper-mediated DNA cleavage.

  • cis-3,5-Cyclohexadiene-1,2-diol derivatives: facial selectivity in their Diels-Alder reactions with ethylenic, acetylenic and azo dienophiles 

    Ogbomo, Sunny M., and D. Jean Burnell. 2006. "cis-3,5-Cyclohexadiene-1,2-diol derivatives: facial selectivity in their Diels-Alder reactions with ethylenic, acetylenic and azo dienophiles." Organic & Biomolecular Chemistry 4(20): 3838-3848.
    The Diels - Alder reactions of maleimide with the acetonide derivative (6a) of cis-3,5-cyclohexadiene-1,2-diol (1a) in various solvents showed facial selectivities ranging from 1 : 1 to 1 : 9. The same derivative 6a reacted ...

  • Cl-BODIPYs: a BODIPY class enabling facile beta-substitution 

    Lundrigan, Travis, Sarah M. Crawford, T. Stanley Cameron, and Alison Thompson. 2012. "Cl-BODIPYs: a BODIPY class enabling facile beta-substitution." Chemical Communications 48(7): 1003-1005.
    Cl-BODIPYs, synthesized in high yields from dipyrrins under air- and moisture-free conditions, are extremely facile to substitution at boron compared to their corresponding F-BODIPYs, opening up a new route to BODIPYs ...

  • Classifying donor strengths of dipyrrinato/aza-dipyrrinato ligands 

    Diaz-Rodriguez, Roberto M., Robertson, Katherine N., and Thompson, Alison. (2019). Classifying donor strengths of dipyrrinato/aza-dipyrrinato ligands. Dalton Transactions.
    A parameter is reported by which to use 13C NMR chemical shifts to measure and predict the donor capabilities of N^N dipyrrinato and aza-dipyrrinato ligands chelating in L^X fashion. The results enable the rationalisation ...

  • Conversion of F-BODIPYs to Cl-BODIPYs: Enhancing the Reactivity of F-BODIPYs 

    Lundrigan, Travis, and Alison Thompson. 2013. "Conversion of F-BODIPYs to Cl-BODIPYs: Enhancing the Reactivity of F-BODIPYs." Journal of Organic Chemistry 78(2): 757-761.
    A new method for the synthesis of Cl-BODIPYs from F-BODIPYs is reported, merely requiring treatment of the F-BODIPY with boron trichloride. Cl-BODIPYs are exploited as synthetic intermediates generated in situ for the ...