Selected Research Themes
2. Oxoporphyrinogen Chemistry

Properties of synthetic derivatives of phenolic-antioxidant-substituted porphyrins and other macrocycles.

Figure 3. (a) Heterotropic allostery in a supramolecular complex. (b) Complex protic tautomerism in an oxocorrole derivative.

Related publications.
1. Effect of Anion Binding on Charge Stabilization in a Bis-Fullerene-Oxoporphyrinogen Conjugate J. P. Hill, et al. Chem. Commun. (2010) 46, 7933–7935.

2. Synthesis of stable pseudotetrahedral supermolecules based on an oxoporphyrinogen. J. Labuta, et al. Tetrahedron Letters (2010) 51, 2935-2938.

3. Anion-complexation-induced Stabilization of Charge Separation. F. D'Souza, et al. J. Am. Chem. Soc. (2009) 131, 16138–16146.

4. Toward Volatile and Nonvolatile Memories: Fluorescence Switching Based on Specific Fluoride- Triggered Interconversion of Simple Porphyrin Derivatives. A. Shundo,et al. Chem. Eur. J. (2009) 15, 2486–2490.

5. Structure and Properties of Hemiquinone-Substituted Oxoporphyrinogens. J. P. Hill, et al. J. Porphyrins Phthalocyanines (2009) 13(1), 60–69.

6. Twisted, Two-faced Porphyrins as Hosts for Bispyridyl Fullerenes: Construction and Photophysical Properties. Y. Xie, et al. J. Phys. Chem. C, (2008) 112, 10559-10572.

7. Tautomerism in Novel Oxocorrologens. Y. Xie, et al. Chem. Eur. J. (2007) 13, 9824-9833.

8. Supramolecular Triad and Pentad Composed of Zinc Porphyrin(s), Oxoporphyrinogen, and Fullerene(s): Design and Electron Transfer Studies. A. L. Schumacher, et al. Chem. Eur. J. (2007) 13, 4627-4635.

9. Pyren-1-ylmethyl N-Substituted Oxoporphyrinogens. J. P. Hill, et al. J. Porphyrins Phthalocyanines (2007) 11, 390-396.

10. A Novel Bis Zinc Porphyrin-Oxoporphyrinogen Donor-Acceptor Triad: Synthesis, Electrochemical, Computational and Photochemical Studies. J. P. Hill, et al. Eur. J. Org. Chem. (2006) 595-603.

11. A Chromogenic Sensor for Anion Reporting based on an N-Substituted Oxo-porphyrinogen. J. P. Hill, et al. Inorg. Chem. (2006) 45, 8288-8296.

12. Structures, Spectral and Electrochemical Properties of N-(Naphth-2-ylmethyl)-Appended Porphyrinogens. J. P. Hill, et al. Eur. J. Org. Chem. (2005) 2393-2902.

13. Highly Non-Planar, Electron Deficient, N-Substituted Tetraoxocyclohexadienylidene Porphyrinogens: Structural, Computational and Electrochemical Investigations. J. P. Hill, et al. J. Org. Chem. (2004) 69, 5861-5869.

14. Facile Aerial Oxidation of a Porphyrin. Part 18. N-Alkylation of the Oxidized Product from meso- tetrakis(3,5-di-t-butyl-4-hydroxyphenyl)porphyrin. L. R. Milgrom, et al. J. Heterocycl. Chem. (1995) 32, 97-101.

15. Facile Aerial Oxidation of a Porphyrin. Part 19. Alkylation of 5,10,15,-tris- (3,5-di-t-butyl-4- hydroxyl phenyl)-20-(4-pyridyl)porphyrin. L. R. Milgrom, et al. Tetrahedron (1994) 50, 13477-13484.