R-MC Thoburn Group

About John Thoburn

John D. Thoburn

Education

Contact

  • John Thoburn
    Professor
    Department of Chemistry
    Randolph-Macon College
    Ashland, VA, 23005 USA
  • +1 (804) 752-3790
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Publications

Link to American Chemical Society (acs) publication search

  1. “A Stimuli Responsive System of Self-assembled Anion-binding Fe4L68+ cages.” Clegg, J. K.; Cremers, J.; Hogben, A. J.; Breiner, B.; Smulders, M. M. J.; Thoburn, J. D.; Nitschke, J. R. Chemical Science, 2012, 4, 68.
  2. “Anion Induced Reconstitution of a Self-Assembling System to Express a Chloride-Binding Co10L15 Pentagonal Prism.” Riddell, I. A.; Smulders, M. M. J.; Clegg, J. K.; Breiner, B.; Thoburn, J. D.; Nitschke, J. R. Nature Chemistry, 2012, 4, 751.
  3. “Controlling the Transmission of Stereochemical Information through Space in Terphenyl-Edged Fe4L6 Cages”. Meng, W.; Clegg, J. K.; Thoburn, J. D. Nitschke, J. R. Journal of the American Chemical Society, 2011, 133, 13652.
  4. “A Self-Assembled M8L6 Porphyrin Cubes and their Host-Guest Chemistry with Large Aromatic Compounds.” Meng, W.; Breiner, B.; Rissanen, K.;. Thoburn, J. D.; Clegg, J. K.;. Nitschke, J. R. Angewandte Chemistry 2011, 50, 3326.
  5. “Multidimensional tunneling in [1,5] shift in (Z)-1,3-pentadiene: how useful are Swain-Schaad exponents at detecting tunneling?” Peles, D. N.; Thoburn, J. D. Journal of Organic Chemistry, 2008, 73, 3135.
  6. "Dynamic NMR Studies of a Potential Chiroptical Switch Based on Dithiocarbamate - Iminodithiolane Interconversion." Aubin, L. B.; Wagner, T. M.; Thoburn, J. D.; Kesler, B. S.; Hutchison, K. A.; Schumaker, R. R.; Parakka, J. P. Organic Letters, 2001, 3, 3413.
  7. "Conformational Analysis of Alkylated Biuret and Triuret: Evidence for Helicity and Helical Inversion in Oligoisocyanates." Roth, J.; O'Leary, D. J.; Wade, C. G.; Miller, D. Armstrong, K. B.; Thoburn, J. D. Organic Letters, 2000, 2, 3063.
  8. “Fluxionality and Isomerism of the Bis(dihydrogen) Complex RuH2(H2)2(PCy3)2: INS, NMR, and Theoretical Studies.” Rodriguez, V.; Sabo-Etienne, S.; Chaudret, B.; Thoburn, J.; Ulrich, S.; Limbach, H.-H.; Eckert, J; Bathelat, J.-C.; Hussein, K.; Marsden, C. J. Inorganic Chemistry, 1998, 37, 3475.
  9. “Indigodiimine: A Highly Fluxional Molecule that Tautomerizes via Double Proton Transfers.” Thoburn, J. D.; Lüttke, W.; Benedict, C.; Limbach, H.-H. Journal of the American Chemical Society, 1996, 118, 12459.
  10. “Absence of Stereoelectronic Control in the Hydrolysis of Fully and Partially Alkylated Cyclic Amidinium Ions.” Perrin, C. L.; Thoburn, J.D., Journal of the American Chemical Society, 1993, 115, 3140.
  11. “Symmetries of Hydrogen Bonds in Monoanions of Dicarboxylic Acids.” Perrin, C. L.; Thoburn, J. D., Journal of the American Chemical Society, 1992, 114, 8800.
  12. “Secondary Kinetic Isotope Effects in C-N Rotation of Amides.” Perrin, C. L.; Thoburn, J. D.; Kresge, A. J., Journal of the American Chemical Society, 1992, 114, 8559.
  13. “Origin of 'Hetero Effect' on Nitrogen Inversion. Comparison of Hydroxylamines and Aminoxide Anions.” Perrin, C. L.; Thoburn, J. D., Elsheimer, S., Journal of Organic Chemistry, 1991, 56, 7034.
  14. “Evidence for a Double-Minimum Potential for Intramolecular Hydrogen Bonds of Aqueous Hydrogen Maleate and Hydrogen Phthalate Anions.” Perrin, C. L.; Thoburn, J. D. Journal of the American Chemical Society, 1989, 111, 8010.
  15. “Mechanism of E/Z Stereoisomerization of Imidate Anions” Perrin, C. L.; Thoburn, J. D Journal of Organic Chemistry, 1989, 54, 754.

Poster Presentations

  • “Host-Guest Dynamics of Self-Assembled M8L6 Cubes”. Poster presentation at the National ACS Meeting in San Diego: March 25-29, 2012.
  • “How did they do that? Chemistry and Art in the Ancient World”. Poster presentation at the National ACS Meeting in San Diego: March 25-29, 2012.
  • “Host-Guest Dynamics of Self-Assembled M8L6 Cubes”. Poster presentation at the 17th European Symposium on Organic Chemistry in Hersonissos, Crete, Greece. July 10-15, 2011.
  • “How did they do that? Chemistry and Art in the Ancient World”. Poster presentation at the National ACS Meeting in San Francisco: March 21-22, 2010.
  • “Recent advances in iminodithiolane-dithiocarbamate molecular switches” poster presentation (also selected for oral presentation to joint session) at the Gordon Conference on Physical Organic Chemistry held at the Holderness School in New Hampshire, June 28- July 3, 2009.
  • “Quantum Dynamics of [1,5] Hydrogen Shift in 3Z-1,3-Pentadiene: Implications for Kinetic Isotope Effects and Swain-Schaad Exponent”, John D. Thoburn. Gordon Research Conference – Physical Organic Chemistry, Holderness, NH, June 26th – 29th, 2007.
  • “Quantum Dynamics of [1,5] Hydrogen Shift in 3Z-1,3-Pentadiene”, John D. Thoburn. Gordon Research Conference – Isotopes in Chemical and Biological Systems, Ventura, CA, February 12th – 17th, 2006.
  • “Quantum Dynamics of [1,7] Hydrogen Shift in 1,3,5-Heptatrienes: Implications for Kinetic Isotope Effects and Swain-Schaad Exponents”, John D. Thoburn. 200th national American Chemical Society Meeting. March 30th, 2004. in Anaheim, CA,
  • Quantum Dynamic of [1,7] Hydrogen Shift in Z,Z-1,3,5-Heptatriene” John D. Thoburn. 16th IUPAC Conference on Physical-Organic Chemistry. August 4-9, 2002. San Diego, CA
  • “Dynamic NMR Studies on Dithiocarbamates and Dithiocarbamate Switches” Caroline Pharr, John D. Thoburn, James P. Parakka, Robert R. Schumaker. 16th IUPAC Conference on Physical-Organic Chemistry. August 4-9, 2002. San Diego, CA
  • “Prediction of Kinetic Isotope Effects for [1,7] Hydrogen Shift in 1,3,5-Heptatriene.” John D. Thoburn. Gordon Research Conference on Isotope in Biological and Chemical Sciences. February 17-22, 2002. Ventura, CA.
  • “Dynamic NMR Studies of Chiroptical Switches." Lauren B. Aubin, Tracy M. Wagner, John D. Thoburn, James P. Parakka, Robert R. Schumaker. Gordon Research Conference on Physical Organic Chemistry. July 1, 2001. Holderness, NH.
  • "Helicity and Helical Inversion in Alkyl Isocyanate Oligomers." Joshua Roth, Jack D. Sadowsky, Daniel J. O'Leary, Kathleen B. Armstrong, Lauren B. Aubin, Tracy M. Wagner, John D. Thoburn, Dennis Gravert, Dolores C. Miller, Charles G. Wade. Gordon Research Conference on Physical Organic Chemistry. July 1, 2001. Holderness, NH.
  • “Synthesis and Characterization of Chiroptical Switches.” John D. Thoburn, Lauren B. Aubin, Tracy M. Wagner, James P. Parraka, Robert R. Schumaker. Poster # ORGN-337 at the National Meeting of the American Chemical Society. April 3, 2001. San Diego, CA.
  • “Characterization of Multiple Secondary Kinetic Isotope Effects.” John D. Thoburn Poster #29, Gordon Research Conference on Isotopes in Biological and Chemical Sciences. January 9-147, 2000. Ventura, CA.
  • “Double Secondary Kinetic Isotope Effects: Double Nitrogen Inversion in Hydrazines and Bis-Aziridines.” John D. Thoburn. Gordon Research Conference on Isotopes in Biological and Chemical Sciences. January 11-16, 1998. Ventura, CA.
  • “Conformational Changes in Indigodiimine: An Unusual cis Tautomer.” John D. Thoburn and Hans-Heinrich Limbach. Deutsche Bunsen-Gesellschaft für Physikalische Chemie International Symposium on Hydrogen Transfer: Theory and Experiment. September 10-13, 1997. Berlin, Germany.

Invited Presentations

  • “Multidimensional Quantum Tunneling in [1,5] Hydrogen Shift in 1,3-Pentadiene: Implications for Kinetic Isotope Effects”. Oral presentation. Cambridge University, Cambridge, UK. March 28th, 2011.
  • “Recent Advances in Iminodithiolane-Dithiocarbamate Molecular Switches.” Gordon Conference on Physical Organic Chemistry, June 28-July 3, 2009, Plymouth, New Hampshire,.
  • “Quantum Dynamics of [1,7] Hydrogen Shift in 1,3,5-Heptatrienes.” Gordon Research Conference on Isotopes in Biological and Chemical Sciences. March 9-14, 2004. Ventura, CA.
  • “Quantum Dynamics of [1,7] Hydrogen Shift in 1,3,5-Heptatrienes: Implications for Kinetic Isotope Effects and Swain-Schaad Exponents.” UC – Riverside, Nov. 15, 2002.
  • “Dynamic NMR Studies of a Potential Chiroptical Switch Based on Dithiocarbamate – Iminodithiolane Interconversion.” UC – Los Angeles, Oct. 6, 2001.
  • “Twist and Shout: Discoveries in Helicity.” Speaker at Sigma Xi Initiation Banquet. Santa Clara University. May 2, 2000.
  • "Characterization of Multiple Secondary Kinetic Isotope Effects." Gordon Research Conference on Isotopes in Biological and Chemical Sciences. January 9-14, 2000. Ventura, CA.

Conference Oral Presentations

  • “Quantum Dynamics of [1,7] Hydrogen Shift in 1,3,5-Heptatrienes: Implications for Kinetic Isotope Effects and Swain-Schaad Exponents”, John D. Thoburn. Contributed poster presentation (Computers in Chemistry #0349) at the 229th National American Chemical Society Meeting in San Diego, CA, March 16th, 2005.
  • “Conformational Analysis of Alkylated Biuret, Triuret, and Tetrauret: Evidence for Helicity and Helical Inversion in Oligoisocyanates.” John D. Thoburn, Joshua Roth, Jack D. Sadowsky, Daniel J. O’Leary, Charles G. Wade, Dolores C. Miller, Kathleen B. Armstrong, Lauren B. Aubin, Tracy M. Wagner. Paper # ORGN-455 at the National Meeting of the American Chemical Society. April 4, 2001. San Diego, CA.
  • “Double Secondary Kinetic Isotope Effects: Double Nitrogen Inversion in Diaziridines and bis-Aziridines.” John D. Thoburn. Paper # ORGN-452 at the National Meeting of the American Chemical Society. April 4, 2001. San Diego, CA.
  • “Dynamic NMR Studies of Chiroptical Switches.” John D. Thoburn, Lauren B. Aubin, Tracy M. Wagner, James P. Parraka, Robert R. Schumaker. Paper # ORGN-62 at the National Meeting of the American Chemical Society. April 1, 2001. San Diego, CA.
  • “NMR Conformational Analysis of Alkylated Biuret and Triuret: Evidence for Helicity and Helical Inversion in Oligoisocyanates.” John D. Thoburn, Joshua Roth, Daniel J. O’Leary, Charles G. Wade, Dolores C. Miller, Kathleen B. Armstrong. Paper # ORGN-640 at the National Meeting of the American Chemical Society. March 29, 2000. San Francisco, CA.
  • “Ab Initio Studies and Dynamics Calculations of Double Secondary Kinetic Isotope Effects.” John D. Thoburn Paper # ORGN-498 at the National Meeting of the American Chemical Society. March 28, 2000. San Francisco, CA.
  • “NMR Studies of Solution Microstructures of Polyisocyanates using Well-Defined Oligo-isocyanates.” John D. Thoburn; Daniel J. O’Leary, Joshua Roth, Kathleen B. Armstrong, Dolores C. Miller, Charles G. Wade. Paper # ORGN-37 at the Pacific Conference on Chemistry and Spectroscopy. October 7, 1999. Ontario, CA.
  • “Indigodiimine: A Highly Fluxional Molecule that Tautomerizes via a Double Proton Transfer.” John D. Thoburn and Hans-Heinrich Limbach. Western Regional Meeting of the American Chemical Society. October 31, 1996. San Francisco, CA.